City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DW) Brea
2025
This Cross Connection Control Management Plan
has been prepared in compliance with the
California State Water Board CCCPH.
_________________________________
Kevin Kerr
Certified Cross Connection Control Program
Specialist, No. 03545, Expires: 11/30/2025
Cross Connection Control
DĂŶĂŐĞŵĞŶƚWůĂŶ
910 Calle Negocio
San Clemente, CA 92673
(949) 361-8200
san-clemente.org
PWS No. CA 3010036
en prepared in compliance with the
nia State Water Board CCCPH.
_________________________
Kerr
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City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 i
Table of Contents
1 ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůWŽůŝĐLJKǀĞƌǀŝĞǁ ...................................................................................... 1-1
1.1 KďũĞĐƟǀĞ .................................................................................................................................. 1-1
1.2 Applicability .............................................................................................................................. 1-1
1.3 WŽůŝĐLJ ĞǀĞůŽƉŵĞŶƚ ĂĐŬŐƌŽƵŶĚ ĂŶĚ >ĞŐĂů Authorities........................................................... 1-1
1.4 California Safe ƌŝŶŬŝŶŐ Water Act ........................................................................................... 1-1
1.5 Acronyms ĂŶĚ ďďƌĞǀŝĂƟŽŶƐ ................................................................................................... 1-3
1.6 ĞĮŶŝƟŽŶƐ ĂŶĚ General Requirements .................................................................................... 1-4 2 ,ĂnjĂƌĚƐƐĞƐƐŵĞŶƚƐĂŶĚZĞƋƵŝƌĞĚWƌŽƚĞĐƟŽŶ ................................................................................ 2-1
2.1 ,ĂnjĂƌĚƐƐĞƐƐŵĞŶƚƐ ................................................................................................................. 2-1
2.2 ,ĂnjĂƌĚƐƐĞƐƐŵĞŶƚWƌŽĐĞƐƐ ..................................................................................................... 2-2
2.2.1 WŚĂƐĞϭ– ŽŶŶĞĐƟŽŶƐǁŝƚŚĂĐŬŇŽǁWƌŽƚĞĐƟŽŶ ........................................................... 2-2
2.2.2 WŚĂƐĞϮ- ŽŵŵĞƌĐŝĂůͬ/ŶĚƵƐƚƌŝĂůŽŶŶĞĐƟŽŶƐǁŝƚŚŽƵƚĂĐŬŇŽǁWƌŽƚĞĐƟŽŶ ................. 2-3
2.2.3 WŚĂƐĞϯ– ZĞƐŝĚĞŶƟĂůŽŶŶĞĐƟŽŶƐǁŝƚŚŽƵƚĂĐŬŇŽǁWƌŽƚĞĐƟŽŶ ................................... 2-3 3 KƉĞƌĂƟŶŐZƵůĞƐŽƌKƌĚŝŶĂŶĐĞƐ ........................................................................................................ 3-1 4 ĂĐŬŇŽǁWƌĞǀĞŶƟŽŶ ........................................................................................................................ 4-1
4.1 ĂĐŬŇŽǁWƌĞǀĞŶƟŽŶZĞƋƵŝƌĞŵĞŶƚƐ ......................................................................................... 4-1
4.2 ĂĐŬŇŽǁ WƌĞǀĞŶƟŽŶ Assemblies .............................................................................................. 4-3
4.2.1 ^ƚĂŶĚĂƌĚƐĨŽƌdLJƉĞƐŽĨĂĐŬŇŽǁWƌŽƚĞĐƟŽŶ .................................................................... 4-3
4.2.2 /ŶƐƚĂůůĂƟŽŶ Criteria for ĂĐŬŇŽǁ WƌŽƚĞĐƚŝŽŶ .................................................................... 4-4 5 Non-dĞƐƚĂďůĞĞǀŝĐĞƐ ....................................................................................................................... 5-1
5.1 Non-ƚĞƐƚĂďůĞďĂĐŬŇŽǁƉƌĞǀĞŶƚĞƌƚĞƐƟŶŐƉƌŽĐĞĚƵƌĞƐ ............................................................. 5-1 6 ĞƌƟĮĞĚĂĐŬŇŽǁWƌĞǀĞŶƟŽŶƐƐĞŵďůLJdĞƐƚĞƌƐĂŶĚĞƌƟĮĞĚƌŽƐƐ-ŽŶŶĞĐƟŽŶŽŶƚƌŽů^ƉĞĐŝĂůŝƐƚƐ 6-1
6.1 ĂĐŬŇŽǁdĞƐƚĞƌĞƌƟĮĐĂƟŽŶ ................................................................................................... 6-1
6.1.1 ĂĐŬŇŽǁdĞƐƚĞƌ>ŝƐƚ .......................................................................................................... 6-1
6.2 Cross-ŽŶŶĞĐƟŽŶ Control Specialist Certification .................................................................... 6-2 7 ĂĐŬŇŽǁ /ŶĐŝĚĞŶƚ Response, ZĞƉŽƌƟŶŐ ĂŶĚ EŽƟĮĐĂƟŽŶ ................................................................ 7-1
7.1 ĂĐŬŇŽǁ/ŶĐŝĚĞŶƚZĞƐƉŽŶƐĞWƌŽĐĞĚƵƌĞ ................................................................................... 7-1
7.2 ĂĐŬŇŽǁ/ŶĐŝĚĞŶƚEŽƟĮĐĂƟŽŶ ................................................................................................. 7-1 City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 ii
8 Cross-ŽŶŶĞĐƟŽŶŽŶƚƌŽůWƌŽŐƌĂŵŽŽƌĚŝŶĂƚŽƌ ............................................................................. 8-1
8.1 ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽů^ƉĞĐŝĂůŝƐƚĞƐŝŐŶĞĞ ......................................................................... 8-2 9 ZĞĐŽƌĚŬĞĞƉŝŶŐ .................................................................................................................................. 9-1
9.1 ZĞĐŽƌĚƐZĞƚĂŝŶĞĚ ..................................................................................................................... 9-1
9.2 ZĞĐŽƌĚŬĞĞƉŝŶŐWŽůŝĐLJĂŶĚWƌŽĐĞĚƵƌĞƐ ..................................................................................... 9-2
9.2.1 ĂĐŬŇŽǁWƌĞǀĞŶƟŽŶƐƐĞŵďůLJdĞƐƚZĞƐƵůƚƐ .................................................................... 9-2
9.2.2 WŚĂƐĞϭ– ŽŶŶĞĐƟŽŶƐǁŝƚŚĂĐŬŇŽǁWƌŽƚĞĐƟŽŶAssessments ...................................... 9-3
9.2.3 WŚĂƐĞϮ– ŽŵŵĞƌĐŝĂůͬ/ŶĚƵƐƚƌŝĂůŽŶŶĞĐƟŽŶƐǁŝƚŚŽƵƚĂĐŬŇŽǁWƌŽƚĞĐƟŽŶ ................. 9-4
9.2.4 WŚĂƐĞϯ– ZĞƐŝĚĞŶƟĂůŽŶŶĞĐƟŽŶƐǁŝƚŚŽƵƚĂĐŬŇŽǁWƌŽƚĞĐƟŽŶ ................................... 9-5 10 hƐĞƌ^ƵƉĞƌǀŝƐŽƌƐ ............................................................................................................................ 10-1 11 ĂĐŬŇŽǁWƌĞǀĞŶƟŽŶƐƐĞŵďůLJdĞƐƟŶŐĂŶĚZĞƉŽƌƟŶŐ .................................................................. 11-1
11.1 ĂĐŬŇŽǁdĞƐƟŶŐEŽƟĮĐĂƟŽŶWƌŽĐĞƐƐ ................................................................................... 11-1
11.2 ĂŵĂŐĞĚ͕ŵŝƐƐŝŶŐ͕ŽƌŝŵƉƌŽƉĞƌůLJŝŶƐƚĂůůĞĚďĂĐŬŇŽǁƉƌĞǀĞŶƟŽŶĂƐƐĞŵďůŝĞƐ͘...................... 11-2 12 WƵďůŝĐKƵƚƌĞĂĐŚĂŶĚ
ĚƵĐĂƟŽŶ ...................................................................................................... 12-1 13 >ŽĐĂů
ŶƟƚLJŽŽƌĚŝŶĂƟŽŶ ............................................................................................................... 13-1 Tables
Table 5 -1 Location of Non-Testable backflow prevention device ................................................. 5-1 ƉƉĞŶĚŝĐĞƐ
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City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DW) City of San Clemente DW– June 2025 1-1
1 CƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůWŽůŝĐLJKǀĞƌǀŝĞǁ
1.1 KďũĞĐƟǀĞ
The primary objective of the Cross-Connection Control Management Plan (CCCMP) is to bring the City into compliance with the Cross Connection Control Policy Handbook (CCCPH) developed by the State Water Resources Control Board (State Water Board) for the protection of public health through the establishment of standards intended to ensure a public water system’s (PWS) drinking water distribution system will not be subject to the backflow of liquids, gases, or other substances, see CCCMP Appendix A. In addition, by providing basic educational information on backflow prevention, the City intends to build a foundation of awareness within the City regarding the importance of backflow protection and cross-connection control, leading to the implementation of a robust cross-connection control program.
Per Section 3.1.4 (b)(1) description the City will implement the requirements of the State CCCPH by implementing ordinances and procedures as detailed in this CCCMP.
1.2 Applicability
The State CCCPH and its standards apply to all California PWSs, as defined in California’s Health and Safety Code (CHSC, section 116275 (h)). Compliance with the State CCCPH is mandatory for all California PWSs. The City’s CCCMP has been developed in conformance to the State CCCPH and is applicable to all customers within the City’s service area.
1.3 WŽůŝĐLJ ĞǀĞůŽƉŵĞŶƚ ĂĐŬŐƌŽƵŶĚ ĂŶĚ >ĞŐĂů Authorities Through the adoption of the State CCCPH, the State Water Board exercised its authority, under California’s Safe Drinking Water Act (SDWA), to establish enforceable standards applicable to California’s PWSs. Failure to comply with the CCCMP which is in conformance with the State CCCPH may result in the issuance of compliance, enforcement, or other corrective actions against the City.
1.4 California Safe ƌŝŶŬŝŶŐ Water Act
On October 6, 2017, Assembly Bill 1671 (AB 1671) was approved and filed with the Secretary of State (see CCCMP Appendix B). AB 1671 amended California’s SDWA through the establishment of CHSC sections 116407 and 116555.5. AB 1671 also amended section 116810 of the CHSC, which is briefly discussed in CCCPH.
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 1-2
On October 2, 2019, Assembly Bill 1180 (AB 1180) was approved and filed with the Secretary of State. AB 1180 amended Section 116407 of the CHSC and added section 13521.2 to the Water Code. AB 1180 requires that the CCCPH include provisions for the use of a swivel or changeover device (swivel-ell), see CCCMP Appendix B.
Pursuant to sections 116407 and 116555.5 of the CHSC, the State Water Board chose to adopt standards for backflow protection and cross-connection control through the adoption of this State CCCPH, which became effective July 1, 2024.
x The State Water Board is required to adopt regulations for the control of crossconnections that it determines to be necessary for ensuring PWSs “distribute a reliable and adequate supply of pure, wholesome, potable, and healthy water.” (CHSC section 116375, subd. (c).)
x Any person who owns a PWS is required to ensure that the distribution system will not be subject to backflow under normal operating conditions. (CHSC section 116555, subd. (a)(2).)
Prior to AB 1671 and the adoption of the State CCCPH, California’s regulations pertaining to cross-connection control were set forth in regulations in CCR Title 17, which were adopted in 1987 with minor revisions in 2000. Although still protective to public health, the CCR Title 17 cross-connection regulations required updating as both the drinking water and cross-connection control industries had evolved. This State CCCPH updates those regulations, which as previously noted are no longer operative following the adoption of the State CCCPH.
The State Water Board may update its standards for backflow protection and cross- connection control through revisions of the State CCCPH. Prior to adopting substantive revisions to the State CCCPH, the State Water Board will consult with state and local agencies and persons identified as having expertise on the subject by the State Water Board, and the State Water Board will hold at least one public hearing to consider public comments.
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 1-3
1.5 Acronyms ĂŶĚ ďďƌĞǀŝĂƟŽŶƐ
As used in this policy, acronyms and abbreviations reference the following:
Acronym or Abbreviation Meaning
AB Assembly Bill
AG Air Gap separation
BAT Best Available Technology
BPA Backflow Prevention Assembly
Bus. & Prof. Code Business and Professional Code
CA California
CBSC California Building Standards Commission
CCCMP Cross Connection Control Management Plan
CCCPH Cross-Connection Control Policy Handbook
CCR California Code of Regulations
C.F.R. Code of Federal Regulations
CHSC California Health and Safety Code
City City of San Clemente
Civ. Code Civil Code
DC Double Check valve backflow prevention assembly
DCDA Double Check Detector backflow prevention Assembly DCDA-II Double Check Detector backflow prevention Assembly – type II Division Division of Drinking Water
EPA Environmental Protection Agency
Gov. Code Government Code
MCL Maximum Contaminant Level
Muni Code Municipal Code
Pen. Code Penal Code
PVB Pressure Vacuum Breaker backsiphonage prevention assembly PWS Public Water System
RP Reduced Pressure principle backflow prevention assembly RPDA Reduced Pressure principle Detector backflow prevention Assembly
RPDA-II Reduced Pressure principle Detector backflow prevention Assembly – type II
RW Recycled Water
SB Senate Bill
SDWA Safe Drinking Water Act
State Water Board State Water Resources Control Board
SVB Spill-resistant Pressure Vacuum Breaker backsiphonage prevention assembly
U.S. United States
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 1-4
1.6 ĞĮŶŝƟŽŶƐ ĂŶĚ General Requirements
The following definitions apply to the terms used in the CCCPH:
“Air-gap separation” or “AG” means a physical vertical separation of at least two (2) times the effective pipe diameter between the free-flowing discharge end of a potable water supply pipeline and the flood level of an open or non-pressurized receiving vessel, and in no case less than one (1) inch.
“Approved water supply” means a water source that has been approved by the State Water Board for domestic use in a public water system and designated as such in a domestic water supply permit issued pursuant to section 116525 of the CHSC. “Auxiliary water supply” means a source of water, other than an approved water supply, which is either used or equipped, or can be equipped, to be used as a water supply and is located on the premises of, or available to, a water user. “Backflow” means an undesired or unintended reversal of flow of water and/or other liquids, gases, or other substances into a public water system’s distribution system or approved water supply.
“Backflow prevention assembly” or “BPA” means a mechanical assembly designed and constructed to prevent backflow, such that while in-line it can be maintained and its ability to prevent backflow, as designed, can be field tested, inspected, and evaluated. “Backflow prevention assembly tester” means a person who is certified as a backflow prevention assembly tester.
“Community water system” means a public water system that serves at least 15 service connections used by yearlong residents or regularly serves at least 25 yearlong residents of the area served by the system.
“Contact hour” means not less than 50 minutes of a continuing education course. “Continuing education course” means a presentation or training that transmits information related to cross-connection control programs and backflow prevention and protection.
“Cross-connection” means any actual or potential connection or structural arrangement between a public water system, including a piping system connected to the public water system and located on the premises of a water user or available to the water user, and any source or distribution system containing liquid, gas, or other substances not from an approved water supply.
“Cross-connection control specialist” means a person who is certified as a crossconnection control specialist.
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 1-5
“Distribution system” has the same meaning as defined in section 63750.50 of CCR, Title 22, Division 4, Chapter 2.
“Double check detector backflow prevention assembly” or “DCDA” means a double check valve backflow prevention assembly that includes a bypass with a water meter and double check backflow prevention assembly, with the bypass’s water meter accurately registering flow rates up to two gallons per minute and visually showing a registration for all rates of flow. This type of assembly may only be used to isolate low hazard cross-connections. See Diagram 1, CCCMP Appendix H. “Double check detector backflow prevention assembly – type II” or “DCDA-II” means a double check valve backflow prevention assembly that includes a bypass around the second check, with the bypass having a single check valve and a water meter accurately registering flow rates up to two gallons per minute and visually showing a registration for all rates of flow. This type of assembly may only be used to isolate low hazard cross-connections. See Diagram 2, CCCMP Appendix H. “Double check valve backflow prevention assembly” or “DC” means an assembly consisting of two independently-acting internally-loaded check valves, with tightly closing shut-off valves located at each end of the assembly (upstream and downstream of the two check valves) and fitted with test cocks that enable accurate field testing of the assembly. This type of assembly may only be used to isolate low hazard crossconnections. See Diagram 3, CCCMP Appendix H. “Existing public water system” or “existing PWS” means a public water system initially permitted on or before July 1, 2024 as a public water system by the State Water Board.
“Hazard Assessment” means an evaluation of a user premises designed to evaluate the types and degrees of hazard at a user’s premises.
“High hazard cross-connection” means a cross-connection that poses a threat to the potability or safety of the public water supply. Materials entering the public water supply through a high hazard cross-connection are contaminants or health hazards.
See CCCMP Appendix E for some examples.
“Low hazard cross-connection” means a cross-connection that has been found to not pose a threat to the potability or safety of the public water supply but may adversely affect the aesthetic quality of the potable water supply. Materials entering the public water supply through a low hazard cross-connection are pollutants or non-health hazards.
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 1-6
“New public water system” or “new PWS” means a public water system permitted after July 1, 2024 as a public water system by the State Water Board. A new public water system includes a public water system receiving a new permit because of a change in ownership.
“Premises containment” means protection of a public water system’s distribution system from backflow from a user’s premises through the installation of one or more air gaps or BPAs, installed as close as practical to the user’s service connection, in a manner that isolates the water user’s water supply from the public water system’s distribution system.
“Pressure vacuum breaker backsiphonage prevention assembly” or “PVB” means an assembly with an independently-acting internally-loaded check valve and an independently-acting loaded air inlet valve located on the discharge side of the check valve; with test cocks and tightly closing shutoff valves located at each end of the assembly that enable accurate field testing of the assembly. This type of assembly may only be used for protection from backsiphonage and is not to be used to protect from backpressure. See Diagram 4, CCCMP Appendix H.
“Public water system” or “PWS” has the same meaning as defined in section 116275(h) of the CHSC.
“Recycled Water" is a wastewater which as a result of treatment is suitable for uses other than potable use.
“Reduced pressure principle backflow prevention assembly” or “RP” means an assembly with two independently acting internally-loaded check valves, with a hydraulically operating mechanically independent differential-pressure relief valve located between the check valves and below the upstream check valve. The assembly shall have shut-off valves located upstream and downstream of the two check-valves, and test cocks to enable accurate field testing of the assembly. See Diagram 5, CCCMP Appendix H.
“Reduced pressure principle detector backflow prevention assembly” or “RPDA” means a reduced pressure principle backflow prevention assembly that includes a bypass with a water meter and reduced pressure principle backflow prevention assembly, with the bypass’s water meter accurately registering flow rates up to two gallons per minute and visually showing a registration for all rates of flow. See Diagram 6, CCCMP Appendix H.
“Reduced pressure principle detector backflow prevention assembly – type II” or “RPDA-II” means a reduced pressure principle backflow prevention assembly that includes a bypass around the second check, with the bypass having a single check valve and a water meter accurately registering flow rates up to two gallons per minute and visually showing a registration for all rates of flow. See Diagram 7, CCCMP Appendix H.
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 1-7
“Spill-resistant pressure vacuum breaker backsiphonage prevention assembly” or “SVB” means an assembly with an independently-acting internally-loaded check valve and an independently-acting loaded air inlet valve located on the discharge side of the check valve; with shutoff valves at each end and a test cock and bleed/vent port, to enable accurate field testing of the assembly. This type of assembly may only be used for protection from backsiphonage and is not to be used to protect from backpressure.
See Diagram 8, CCCMP Appendix H.
“State Water Board,” unless otherwise specified, means the State Water Resources Control Board or the local primacy agency having been delegated the authority to enforce the requirements of the CCCPH by the State Water Resources Control Board. “Swivel-Ell” means a reduced pressure principle backflow prevention assembly combined with a changeover piping configuration (swivel-ell connection) designed and constructed pursuant to this Chapter. See design and construction criteria, as well as Diagrams 9a and 9b, CCCMP Appendix H.
“User premises” means the property under the ownership or control of a water user and is served, or is readily capable of being served, with water via a service connection with a public water system.
“User’s service connection” means either the point where a water user’s piping is connected to a water system or the point in a water system where the approved water supply can be protected from backflow using an air gap or backflow prevention assembly.
“User Supervisor” means a person designated by a water user to oversee a water use site and responsible for the avoidance of cross-connections. “Water supplier” means a person who owns or operates a public water system. “Water user” means a person or entity who is authorized by the PWS to receive water.
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DW) City of San Clemente DW– June 2025 2-1
2 HĂnjĂƌĚƐƐĞƐƐŵĞŶƚƐĂŶĚZĞƋƵŝƌĞĚWƌŽƚĞĐƟŽŶ
In accordance with the State CCCPH, Section 3.1.3 (a)(3) – Hazard Assessments, Section
3.1.4 (b)(2), and Section 3.2.1 – The City must survey its service area and conduct hazard assessments per Article 2 of the State CCCPH that identifies actual or potential crossconnection hazards, degree of hazard, and any backflow protection needed.
2.1 ,ĂnjĂƌĚƐƐĞƐƐŵĞŶƚƐ
a. To evaluate the potential for backflow into the City’s water distribution system the City must conduct an initial hazard assessment of the user premises within its service area.
The hazard assessment must consider:
1. The existence of cross-connections;
2. the type and use of materials handled and present, or likely to be, on the user premises;
3. the degree of piping system complexity and accessibility;
4. access to auxiliary water supplies, pumping systems, or pressure systems;
5. distribution system conditions that increase the likelihood of a backflow event (e.g., hydraulic gradient differences impacted by main breaks and high waterdemand situations, multiple service connections that may result in flow-through conditions, etc.);
6. user premises accessibility;
7. any previous backflow incidents on the user premises; and
8. the requirements and information provided in the State CCCPH, and the City’s CCCMP.
b. Each hazard assessment must identify the degree of hazard to the City’s distribution system as either a high hazard cross-connection, a low hazard cross- connection, or having no hazard. Examples of some high hazard cross-connection activities may be found in CCCMP Appendix E.
c. The hazard assessment must determine whether an existing BPA, if any, provides adequate protection based on the degree of hazard.
d. Hazard assessments completed prior to the adoption of the State CCCPH may be considered as an initial hazard assessment provided that such hazard assessments and associated backflow protection provide protection consistent with the State CCCPH and the City describes their review of these assessments in the City’s CCCMP. e. Subsequent to the initial hazard assessment described in subsection (a), the City must perform a hazard assessment under the following criteria:
1. if a user premises changes account holder, excluding single-family residences;
2. if a user premises is connected to the City’s water distribution system; City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 2-2
3. if evidence exists of changes in the activities or materials on a user’s premises;
4. if backflow from a user’s premises occurs;
5. periodically, as identified in the City’s CCCMP required pursuant to State CCCPH section 3.1.4.;
6. if the State Water Board requests a hazard assessment of a user’s premises; or
7. if the City concludes an existing hazard assessment may no longer accurately represent the degree of hazard.
f. A cross-connection control specialist must review or conduct each initial and follow-up hazard assessment pursuant to this section and make a written finding that, in the specialist’s judgment based on cross-connection control principles, the City’s hazard assessment properly identified all hazards at the time of the assessment, the appropriate degree of hazards, and the corresponding backflow protection.
2.2 HanjĂƌĚƐƐĞƐƐŵĞŶƚWƌŽĐĞƐƐ
In order to assess each connection in the City’s water distribution system for potential cross connection the City will undertake assessments in the following phases. As part of the hazard assessment process the City has created a tracking system for the assessments made under the CCCMP. See CCCMP Appendix F. Data will be gathered and logged into the assessment database in three phases. The assessment database will be included in the City’s Records Retention Schedule, See CCCMP Appendix I.
x Phase 1 – All connections with existing backflow prevention assemblies at the meter connection
x Phase 2 – All commercial/industrial connections without backflow prevention assemblies at the meter connection
x Phase 3 – Residential connections without AMI or backflow prevention assemblies at the meter connection
2.2.1 WŚĂƐĞϭ– CŽŶŶĞĐƟŽŶƐǁŝƚŚĂĐŬŇŽǁWƌŽƚĞĐƟŽŶ
The City currently has 1,194 connections with backflow protection installed at the meter as of 5/8/25. For connections with backflow protection the City will enter each address into the assessment tracking system indicating what type of BPA has been installed. The City’s Cross Connection Control Specialist will review the data when entered into the assessment database to verify that an appropriate BPA has been installed on the meter connection. The Cross Connection Control Specialist’s review date will be noted in the assessment database.
It is assumed that a Cross Connection Control Specialist can process (5) existing connections with backflow protection installed at the meter per available hour, and the total number of annual Cross Connection Control Specialist available hours is 93 hrs./yr (5% of total annual 1,867 hrs., based 2,080 hrs./yr less 80 hrs./yr for vacation, 45 hrs./yr for sick leave, and 88 hrs./yr for holidays) for a total of 465 existing connections per year per Cross Connection Control Specialist assigned by the City to cross connection control.
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 2-3
Based on the availability of the Cross Connection Control Project Specialist the City has determined that this phase of the assessments can be completed within 2.6 years from the approval of the City’s CCCMP.
2.2.2 WŚĂƐĞ2 - CommercŝĂůͬ/ŶĚƵƐƚƌŝĂůŽŶŶĞĐƟŽŶƐǁŝƚŚŽƵƚĂĐŬŇŽǁWƌŽƚĞĐƟŽŶ The City currently has 509 commercial/industrial sites without backflow protection installed at the meter as of 5/8/25. For those commercial/industrial connections without an approved BPA the City will provide a self-reporting letter to provide information regarding onsite conditions which would necessitate the installation of an approved BPA at the meter connection. The selfreporting letters will be distributed via direct mail.
The self-reporting letters would be reviewed based on the available Cross Connection Control Specialist hours to review and process commercial/industrial self-reporting letters and the expected percent of self-reporting letters returned per distribution.
It is assumed that a Cross Connection Control Specialist can process (5) self-reporting letter for connections without backflow protection installed at the meter per available hour, and the total number of annual Cross Connection Control Specialist available hours is 93 hrs./yr (5% of total annual 1,867 hrs., based 2,080 hrs./yr less 80 hrs./yr for vacation, 45 hrs./yr for sick leave, and 88 hrs./yr for holidays) for a total of 465 existing connections per year per Cross Connection Control Specialist assigned by the City to cross connection control. x If the Cross Connection Control Specialist determines that based on the self-reporting letter that an approved BPA is not required, they will note that in the assessment database and the reason for not requiring an approved BPA.
x If the Cross Connection Control Specialist determines that based on the self-reporting letter that an approved BPA is required, they will note that in the assessment database and notify the commercial/industrial customer that an approved BPA must be installed at the meter connection and note that determination in the assessment database.
The City has determined that this phase of the assessments can be completed within 1.1 years from the completion of Phase 1.
2.2.3 WŚĂƐĞ 3 – ZĞƐŝĚĞŶƟĂůŽŶŶĞĐƟŽŶƐǁŝƚŚŽƵƚĂĐŬŇŽǁWƌŽƚĞĐƟŽŶ The City currently has as of 15,886 residential sites without backflow protection installed at the meter as of 5/8/25. For those residential connections the City will assess each site by means of office-based tools such as:
x Reviewing sites via Google Maps or other aerial photography software x Reviewing tract maps to review blocks of residential customer in a common building area or zone.
x Using meter route maps or other billing information databases.
The office-based assessment will review sites for:
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 2-4
x Private water wells
x Other auxiliary water supplies
x Sewer lift stations
x Graywater systems
The office-based assessments would be conducted based on the available Cross Connection Control Specialist hours to review the office-based databases and/or files. x If the Cross Connection Control Specialist determines that based on the office-based assessment that an approved BPA is not required, they will note that in the assessment database.
x If the Cross Connection Control Specialist determines that based on the office-based that an approved BPA is required, they will note that in the assessment database and notify the residential customer that an approved BPA must be installed at the meter connection and note that the customer has been contacted in the assessment database.
The total number of annual Cross Connection Control Specialist available hours is 93 hrs./yr (5% of total annual 1,867 hrs., based 2,080 hrs./yr less 80 hrs./yr for vacation, 45 hrs./yr for sick leave, and 88 hrs./yr for holidays). It is assumed that a Cross Connection Control Specialist can perform assessments by means of office-based tools and that the Cross Connection Control Specialist can review twenty (20) sites per hour, for a total of 1,860 existing connections per year per Cross Connection Control Specialist assigned by the City to cross connection control.
The City has determined that this phase of the assessments can be completed within 8.5 years from the completion of Phase 2.
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DW) City of San Clemente DW– June 2025 3-1
3 KƉĞƌĂƟŶŐRules or KƌĚŝŶĂŶĐĞƐ
In accordance with the State CCCPH, Section 3.1.3 (a)(1), and Section 3.1.4(b)(1) and Section
3.1.4 (b)(3), the City must have operating rules, ordinances, by-laws, or a resolution to implement the cross-connection program. The City must have legal authority to implement corrective actions in the event a water user fails to comply in a timely manner with the City’s provisions regarding the installation, inspection, field testing, or maintenance of BPAs required pursuant to this Section. Such corrective actions must include the City’s ability to perform at least one of the following:
x Deny or discontinue water service to a water user,
x Install, inspect, field test, and/or maintain a BPA at a water user’s premises, or x Otherwise address in a timely manner a failure to comply with the City’s cross-connection control program.
The City’s backflow and cross-connection prevention requirements are contained in the following:
1. Municipal Code Title 13 - Public Services, Chapter 13.04 – Water Service System, No. 13.04.350 – Cross-connection and backflow protection.
2. Ordinance No. 1210.
Redlined copies are contained in CCCMP Appendices C and D.
It will require two Council meetings to complete the approval process. The first meeting will open the public hearing to consider the Municipal Code amendment. After a required public review period, the second meeting will close the public hearing and allow the Council to approve the changes to the municipal code and ordinance.
The first reading Council projected date: August 5th
The second reading and adoption Council projected date: September 2nd City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DW) City of San Clemente DW– June 2025 4-1
4 ĂĐŬŇŽǁWƌĞǀĞŶƟŽŶ
In accordance with the State CCCPH, Section 3.1.3 (a)(4) and Section 3.2.2 – the City must ensure that actual and potential cross-connections are eliminated when possible or controlled by the installation of approved BPAs or AG’s consistent with the requirements of the Article 3 of the State CCCPH and the sections to follow. As of 5/8/25, the City has 1,584 backflow assemblies installed at the water connections, and 130 onsite backflow assembles which are in the City’s tracking database and included in their annual backflow testing reports.
4.1 ĂĐŬŇŽǁWƌĞǀĞŶƟŽŶZĞƋƵŝƌĞŵĞŶƚƐ
(a) The City must ensure its distribution system is protected from backflow from identified hazards through the proper installation, continued operation, and field testing of an approved BPA (see Section 4.2.1 for installation and approved BPA criteria). When a DC is required or referenced in the State CCCPH, a DCDA or DCDA-II type of assembly may be substituted if appropriate. When an RP is required or referenced in the State CCCPH, an RPDA or RPDA-II type of assembly may be substituted if appropriate. (b) The BPA installed must be no less protective than that which is commensurate with the degree of hazard at a user premises, as specified in this section and as determined based on the results of the hazard assessment conducted pursuant to CCCMP Section
3. (c) Unless specified otherwise in this section, a City must, at all times, protect its distribution system from high hazard cross-connections (see CCCMP Appendix E for examples), through premises containment, through the use of AG(s) or RP(s). (1) Following State Water Board review and approval, the City may implement an alternate method of premises containment in lieu of a required AG provided that the proposed alternative would provide at least the same level of protection to public health.
(2) Following State Water Board review and approval, the City may accept internal protection in lieu of containment when premises containment is not feasible. (d) Except as otherwise allowed or prohibited in statute or in CCR Title 22, Division 4, Chapter 3, a swivel-ell may be used instead of an AG for premises containment protection when temporarily substituting tertiary recycled water use areas with potable water from a PWS if all the following criteria are met:
(1) the swivel-ell is approved by the State Water Board; (2) the City has a cross-connection control program, required pursuant to the State CCCPH Section 3.1.3, and the use and operation of the swivel-ell is described in the CCCMP required pursuant to the State CCCPH Section 3.1.4; (3) the design and construction-related requirements of the swivel-ell adheres to the City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 4-2
criteria in CCCMP Appendix H;
(4) at least every 12 months, inspections are performed and documented to confirm ongoing compliance with the design and construction-related requirements in CCCMP Appendix H;
(5) the RP used in conjunction with the swivel-ell is field tested and found to be functioning properly:
(A) immediately upon each switchover to potable water use, a visual inspection of the RP must be completed
(B) within 72 hours of each switchover to potable water use, a field test must be completed, and
(C) at least every 12 weeks the use site is supplied with potable water; and (6) there is a legally binding agreement between the City and the entity supplying the recycled water, signed by those with relevant legal authority, which includes the following requirements:
(A) The State Water Board will be notified within 24 hours of all switchovers to or from potable water, will be given an estimate of the timeframe until the next switchover, and will be provided the results of the field testing required in paragraph (5);
(B) a trained representative of the City be present to supervise each switchover; and
(C) within seven days of each switchover, if requested by the State Water Board, the City will submit a written report describing compliance with this subsection, as well as potable and recycled water usage information. (e) Except as noted below, the City must ensure its distribution system is protected with no less than DC protection for a user premises with a fire protection system within ten years of adoption of the State CCCPH.
(1) A high hazard cross-connection fire protection system, including but not limited to fire protection systems that may utilize chemical addition (e.g., wetting agents, foam, anti-freeze, corrosion inhibitor, etc.) or an auxiliary water supply, must have no less than RP protection.
(2) For existing fire protection systems that do not meet the State CCCPH, Section
3.2.2 (e)(3) or cannot install DC protection within ten years of adoption of the State CCCPH, the City may propose in the CCCMP submitted for compliance with the State CCCPH Section 3.1.4:
(A) an alternative date; or
(B) an alternative method of backflow protection that provides at least the same level of protection to public health.
(3) A BPA is not necessary for a low hazard fire protection system on a residential user premises if the following criteria are satisfied:
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 4-3
(A) the user premises has only one service connection to the City; (B) a single service line onto the user premises exists that subsequently splits on the property for domestic flow and fire protection system flow, such that the fire protection system may be isolated from the rest of the user premises;
(C) a single, water industry standard, water meter is provided to measure combined domestic flow and fire protection system flow; (D) the fire protection system is constructed of piping materials certified as meeting NSF/ANSI Standard 61; and
(E) the fire protection system’s piping is looped within the structure and is connected to one or more routinely used fixtures (such as a water closet) to prevent stagnant water.
(f) The State Water Board and the City may, at their discretion, require a water user to designate a user supervisor when the user premises has a multi-piping system that conveys various types of fluids and where changes in the piping system are frequently made. If a user supervisor is designated the following is required:
(1) The user supervisor is responsible for the avoidance of cross-connections during the installation, operation and maintenance of the water user’s pipelines and equipment. The user supervisor must be trained on the fluids used and backflow protection for the premise, and must inform the City of changes in piping, and maintain current contact information on file with the City; and; (2) The City must include in the CCCMP required in the State CCCPH Section 3.1.4 the training and qualification requirements for user supervisors, identify the entity that will provide the user supervisor training, and frequency of any necessary recurring training. The training must adequately address the types of hazards and concerns typically found.
(g) Facilities producing, treating, storing, or distributing drinking water that are an approved water supply or water recycling plants as defined by CCR Title 22, Section 60301.710 must have proper internal protection from cross-connections to ensure that all drinking water produced and delivered to customers and workers at those facilities is free from unprotected cross-connections.
4.2 ĂĐŬŇŽǁ WƌĞǀĞŶƟŽŶ Assemblies
4.2.1 ^ƚĂŶĚĂƌĚƐĨŽƌdLJƉĞƐŽĨĂĐŬŇŽǁWƌŽƚĞĐƟŽŶ
(a) Each AG used for the CCCMP must meet the requirements in Table 1, Minimum Air Gaps for Generally used Plumbing Fixtures, page 4 of the American Society of Mechanical Engineers (ASME) A112.1.2- 2012(R2017).
(b) Each replaced or newly installed PVB, SVB, DC, and RP for protection of the PWS must be approved through both laboratory and field evaluation tests performed in accordance with at least one of the following:
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 4-4
(1) Standards found in Chapter 10 of the Manual of Cross-Connection Control, Tenth Edition, published by the University of Southern California Foundation for CrossConnection Control and Hydraulic Research; (2) certification requirements for BPAs in the Standards of ASSE International current as of 2022 that include ASSE 1015-2021 for the DC, ASSE 1048-2021 for the DCDA & DCDA-11, ASSE 1013-2021 for the RP, and ASSE 1047-2021 (3) for the RPDA & RPDA-II and must have the 1YT mark.
(c) BPAs must not be modified following approval granted under Section 4.2.1(b). The City requires that BPA testers notify the City if a water user or City-owned BPA has been modified from the CCCMP Section 4.2.1(b) approval.
4.2.2 /ŶƐƚĂůůĂƟŽŶ Criteria for ĂĐŬŇŽǁ WƌŽƚĞĐƚŝŽŶ
(a) For AGs, the following is required:
(1) The receiving water container must be located on the water user’s premises at the water user’s service connection unless an alternate location has been approved by the City;
(2) all piping between the water user’s service connection and the discharge location of the receiving water container must be above finished grade and be accessible for visual inspection unless an alternative piping configuration is approved by the City;
(3) the City must ensure that the AG specified in the State CCCPH Section 3.3.1 (a) has been installed; and
(4) any new air gap installation at a user’s service connection must be reviewed and approved by the State Water Board prior to installation. (b) RPs must be installed such that the lowest point of an assembly is a minimum of twelve inches above grade, and a maximum of thirty-six inches above the finished grade, unless an alternative is approved by the PWS.
(c) DCs installed or replaced after the adoption of the State CCCPH must be installed according to the State CCCPH Section 3.3.2 (b). Below ground installation can be considered if approved by the City where it determines no alternative options are available.
(d) A PVB or SVB must be installed at a minimum of twelve inches above all downstream piping and outlets.
(e) SVBs may not be used for premises containment. PVBs may only be used for roadway right of way irrigation systems as premises containment where there is no potential for backpressure.
(f) A RP or DC installed after the adoption of the State CCCPH must have a minimum side clearance of twelve inches, except that a minimum side clearance of twenty-four inches City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 4-5
must be provided on the side of the assembly that contains the test cocks. The City may approve alternate clearances providing that there is adequate clearance for field testing and maintenance.
(g) Backflow protection must be located as close as practical to the water user’s service connection unless one or more alternative locations have been approved by the City. If internal protection is provided in lieu of premises containment, the City must obtain access to the user premises and must ensure that the on-site protection meets the requirements of this Chapter for installation, field testing, and inspections. (h) Each BPA and air gap separation must be accessible for field testing, inspection, and maintenance.
City Standard Drawings and Specifications for each type of BPA is contained in Appendix K.
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DW) City of San Clemente DW– June 2025 5-1
5 Non-dĞƐƚĂďůĞĞǀŝĐĞƐ
5.1 Non-ƚĞƐƚĂďůĞďĂĐŬŇŽǁƉƌĞǀĞŶƚĞƌƚĞƐƟŶŐƉƌŽĐĞĚƵƌĞƐ
There are non-testable backflow preventer devices under City ownership or administration.
Hose-bibb vacuum breakers is an example of the most common types of non-testable backflow prevention devices for the City.
Table 5 -1 Location of Non-Testable backflow prevention device Location of Non-Testable Backflow Preventer
Location Air Gap
Atmospheric
Vacuum
Breaker
Hose-bibb
Vacuum
Breaker
Dual Check
Valve Identification Potential Onsite Hazard
Water
Reclamation
Plant
No No Yes No &ĞƌƌŝĐŚůŽƌŝĚĞ͕^ŽĚŝƵŵ,LJĚƌŽdžŝĚĞ͕WŽůLJŵĞƌ͕ ůƵŵ^ƵůĨĂƚĞ͕^ŽĚŝƵŵ,LJƉŽĐŚůŽƌŝƚĞ
Wells No No Yes No None
Reservoirs No No Yes No ^ŽĚŝƵŵ,LJƉŽĐŚůŽƌŝƚĞ͕ƋƵĞŽƵƐŵŵŽŶŝĂ Pump Stations No No Yes No None
Filter Plant No No Yes No ^ŽĚŝƵŵŝƐƵůĨĂƚĞ͕^ŽĚŝƵŵ,LJƉŽĐŚůŽƌŝƚĞ The City’s water facilities are inspected by City staff daily, 7 days per week.
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 6-1
6 ĞƌƟĮĞĚĂĐŬŇŽǁWƌĞǀĞŶƟŽŶƐƐĞŵďůLJdĞƐƚĞƌƐĂŶĚ
ĞƌƟĮĞĚƌŽƐƐ-ŽŶŶĞĐƟŽŶŽŶƚƌŽů^ƉĞĐŝĂůŝƐƚƐ
In accordance with the State CCCPH, Section 3.1.3 (a)(5), Section 3.1.4 (b)(6), and Section
3.4.1 – the City must ensure that each BPA required by the CCCMP to protect the City’s domestic water system is field tested by a person with valid certification from a certifying organization recognized by the State Water Board pursuant to the State’s CCCPH.
6.1 ĂĐŬŇŽǁdĞƐƚĞƌĞƌƟĮĐĂƟŽŶ
All backflow testers testing within the service area of the City must provide evidence of current certification from a State Water Board-recognized organization certifying backflow prevention assembly testers. Certifying organizations must be recognized by the State Water Board in accordance with requirements of the State CCCPH and ISO/IEC 17024. Beginning on July 1, 2025, only those testers with a valid certification from a State Water Board recognized certifying organization shall be allowed to test BPA’s in the City’s service area, certifications from any other entity will be considered invalid.
6.1.1 ĂĐŬŇŽǁdĞƐƚĞƌ>ŝƐƚ
Backflow Testers must provide evidence of certification from a State Water Board recognized certifying organization through Swift Comply and hold a current City business license in order to perform backflow testing in the City.
The City has one staff member who are certified by a State Water Board recognized certifying organization as Backflow Testers. The staff is listed in Table 6-1 below.
Kevin Kerr
Regulatory Compliance Analyst
City of San Clemente
380 Ave Pico, San Clemente CA 92672
(949) 886-5589
[email protected]
AWWA Certification No. 19196
Expiration Date: 7/31/2026
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 6-2
6.2 Cross-ŽŶŶĞĐƟŽŶ Control Specialist Certification
All Cross-Connection Control Specialists, used by the City pursuant to the requirements of the State CCCPH, shall have valid certification from a State Water Board recognized certifying organization, which complies with the State CCCPH, will be considered to be a State Water Board recognized certifying organization.
Beginning three years after the effective date of the State CCCPH, only those Cross-Connection Control Specialists with a valid certification from a State Water Board recognized certifying organization shall satisfy the requirements of the State CCCPH. Certifications obtained by organizations that do not meet the requirements of the State CCCPH will be invalid.
The City has one staff member who is certified by a State Water Board recognized certifying organization as Cross Connection Control Specialists. The Specialist information is shown below:
Kevin Kerr
Regulatory Compliance Analyst
City of San Clemente
380 Ave Pico, San Clemente CA 92672
(949) 886-5589
[email protected]
AWWA Certification No. 03545
Expiration Date: 11/30/2025
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 7-1
7 ĂĐŬŇŽǁ /ŶĐŝĚĞŶƚ Response, ZĞƉŽƌƟŶŐ ĂŶĚ EŽƟĮĐĂƟŽŶ
In accordance with the State CCCPH, Section 3.1.3(a)(8), Section 3.1.4 (b)(7), and Section 3.5.2 the City has developed and implemented procedures for investigating and responding to suspected or actual backflow incidents. The procedure for responding to backflow incidents, reporting any incidents, and reporting those incidents, will be:
7.1 ĂĐŬŇŽǁ/ŶĐŝĚĞŶƚZĞƐƉŽŶƐĞWƌŽĐĞĚƵƌĞ
In the event that a suspected backflow incident occurs in the City, the City’s response will include, but not limited to, the following:
(a) Consideration of complaints or reports of changes in water quality as possible incidents of backflow;
(b) Water quality sampling and pressure recording; and
(c) Documentation of the investigation, and any response and follow-up activities.
7.2 ĂĐŬŇŽǁ/ŶĐŝĚĞŶƚEŽƟĮĐĂƟŽŶ
In the event that a backflow incident occurs the Cross-Connection Control Coordinator will provide the following notification:
(a) The Cross-Connection Control Coordinator will notify the State Water Board and Orange County Health Care Agency of any known or suspected incident of backflow within 24 hours of the determination. If required by the State Water Board, the City will issue a Tier 1 public notification pursuant to CCR, Title 22, Section 64463.1. (b) If required by the State Water Board, the City will submit, by a date specified by the State Water Board, a written incident report describing the details and affected area of the backflow incident, the actions taken by the City in response to the backflow incident, and the follow up actions to prevent future backflow incidents.
The written report form is in CCCMP Appendix J.
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 8-1
8 Cross-ŽŶŶĞĐƟŽŶŽŶƚƌŽůWƌŽŐƌĂŵŽŽƌĚŝŶĂƚŽƌ
In accordance with the State CCCPH, Section 3.1.3 (a)(2) and Section 3.1.4 (b)(8), the City must designate at least one individual involved in the development of and be responsible for the reporting, tracking, and other administration duties of its cross-connection control program.
Further for public water systems with more than 3,000 service connections the CrossConnection Control Program Coordinator must be a Cross-Connection Control Specialist.
The City’s water system includes 17,881 domestic water connections. Therefore, the City must have a Cross-Connection Control Program Coordinator. The Coordinator does not have to be a certified Cross-Connection Control Specialist.
The City’s Cross-Connection Control Program Coordinator is:
Kevin Kerr
Regulatory Compliance Analyst
City of San Clemente
380 Ave Pico, San Clemente CA 92672
(949) 886-5589
[email protected]
AWWA Certification No. 03545
Expiration Date: 11/30/2025
The City’s Cross-Connection Control Program Specialist is:
Kevin Kerr
Regulatory Compliance Analyst
City of San Clemente
380 Ave Pico, San Clemente CA 92672
(949) 886-5589
[email protected]
AWWA Certification No. 03545
Expiration Date: 11/30/2025
The City’s CCCMP was developed in consultation with their Cross-Connection Control Specialist(s) because the City’s domestic water system has more than 3,000 service connections.
The City’s designated Cross-Connection Control Specialist can be contacted within one hour, per the requirement of the State CCCPH for a PWS with 3,000 or more service connections.
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 8-2
8.1 ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽů^ƉĞĐŝĂůŝƐƚĞƐŝŐŶĞĞ
In the event the City’s Cross Connection Control Specialist is not available due to vacation, sickness, or other reason, the duties of the Cross Connection Control Specialist will be carried out by:
1. Mark Iverson
Superintendent
City of San Clemente
380 Ave Pico, San Clemente, CA 92672
(949) 366-1553
[email protected]
2. Dustin Burnside
Utilities Manager
City of San Clemente
380 Ave Pico, San Clemente, CA 92672
(949) 949-1003
[email protected]
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 9-1
9 ZĞĐŽƌĚŬĞĞƉŝŶŐ
In accordance with the State CCCPH, Section 3.1.3(a)(7) and Section 3.1.4 (b)(9) the City has developed and implemented a recordkeeping system for:
1. Backflow prevention assemblies (BPA)
2. Cross-connection information.
3. Commercial/Industrial and Residential site assessments.
This recordkeeping system complies with the State CCCPH section 3.5.1. The City has a written Records Retention Schedule included in CCCMP Appendix I. The procedures are generally described in the sections that follow:
9.1 ZĞĐŽƌĚƐZĞƚĂŝŶĞĚ
The City maintains the following records via a Microsoft Access Database:
(a) The hazard assessments for each user premise, conducted pursuant to CCCPH section
3.2.1 (Hazard Assessment).
(b) For each BPA, the associated hazard or application, location, owner, type, manufacturer and model, size, installation date, and serial number.
(c) For each AG installation, the associated hazard or application and the location, owner, and as-built plans of the AG.
(d) Results of all BPA field testing, AG inspections, swivel-ell inspections, and field tests for the previous three calendar years, including the name, test date, repair date, and certification number of the backflow prevention assembly tester for each BPA field test and AG and swivel-ell.
(e) Repairs made to, or replacement or relocation of, BPAs for the previous three calendar years.
(f) The most current cross-connection tests (e.g., shutdown test, dye test), if recycled water use on the premise.
(g) If a User Supervisor is designated for a user premise, the current contact information for the User Supervisor and Water User, and any applicable training and qualifications as described by State CCCPH section 3.2.2(f).
(h) Descriptions and follow-up actions related to all backflow incidents. (i) If any portion of the cross-connection control program is carried out under contract or agreement, a copy of the current contract or agreement.
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 9-2
(j) The current Cross-Connection Control Management Plan as required in the State CCCPH Section 3.1.4.
(k) Any public outreach or education materials issued as required in the State CCCPH section 3.1.3.(a)(7) for the previous three calendar years. (l) All records retained by the City will be made available to the State Water Board upon request.
(m)Records of Commercial/Industrial site assessments.
(n) Records of Residential site assessments.
9.2 ZĞĐŽƌĚŬĞĞƉŝŶŐWŽůŝĐLJĂŶĚWƌŽĐĞĚƵƌĞƐ
The City has a written Records Retention Schedule which is contained in CCCMP Appendix I.
The procedures are generally described in the sections that follow:
9.2.1 ĂĐŬŇŽǁWƌĞǀĞŶƟŽŶƐƐĞŵďůLJdĞƐƚZĞƐƵůƚƐ
x BPA test notices generated: By City’s Backflow Management System (BMS) x Notice distribution method to customers: Direct mail
x Data submittal method: Testers upload to City’s BMS portal x Data storage method: BMS Internal tracking system database x Storage location: Electronically, (S:\cu\secure\Water OPS Data\Backflow DB\Annual Backflow Test Reports) on Specialist’s office computer
x Responsible person:
Kevin Kerr
Regulatory Compliance Analyst
380 Ave Pico San Clemente, CA 92672
Email: [email protected]
Phone: (949) 886-5589
x How long are the records kept: At least 5 years
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 9-3
9.2.2 WŚĂƐĞϭ– ŽŶŶĞĐƟŽŶƐǁŝƚŚĂĐŬŇŽǁWƌŽƚĞĐƟŽŶ Assessments Electronic assessment document is created as an Excel spreadsheet which is reviewed by the Cross Connection Control Specialist and signed. Assessment database is stored electronically by Kevin Kerr.
x If no action is required
o Where is the assessment database stored: Utilities Administration office at 380 Ave Pico, Bldg. N, San Clemente, CA 92672
o Filing method: Filed electronically on the City’s I Drive o Responsible person:
Kevin Kerr
Regulatory Compliance Analyst
380 Ave Pico, San Clemente, CA 92672
[email protected]
(949) 886-5589
o Retained: Filed for 5 years, route used is same as Lead Service Inventory o Disposal method after the holding period: Deleted from I Drive o Person responsible for disposal:
Kevin Kerr
Regulatory Compliance Analyst
380 Ave Pico, San Clemente, CA 92672
[email protected]
(949) 886-5589
o Assessment data storage method: Data stored in I Drive with Excel Spreadsheet under street addresses
o Assessment data electronic storage location: S:\cu\secure\Water OPS Data\CCCPH\Records\Phase 1
x If action is required
o Notification generated by Cross Connection Control Specialist that a backflow is required.
o Notification mailed to residential customer.
o Specialist follows up in 30 days to verify that backflow has been installed. o Action noted in residential assessment database.
o Action noted by:
Kevin Kerr
Regulatory Compliance Analyst
380 Ave Pico, San Clemente, CA 92672
[email protected]
(949) 886-5589
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 9-4
9.2.3 WŚĂƐĞ2 – ŽŵŵĞƌĐŝĂůͬ/ŶĚƵƐƚƌŝĂůŽŶŶĞĐƟŽŶƐ ǁŝƚŚŽƵƚĂĐŬŇŽǁWƌŽƚĞĐƟŽŶ Hard copy site assessment form, which has been reviewed and signed by the Cross Connection Control Specialist per Section 3, is then scanned. Once scanned, the scanned document is saved to City’s computer server and data transferred to the assessment database as described below.
o Where is the hard copy filed: No hard copy is filed as the hard copy is shredded. o How filed: Filed electronically on the City’s I Drive o Responsible person for the filing?
Kevin Kerr
Regulatory Compliance Analyst
380 Ave Pico, San Clemente, CA 92672
[email protected]
(949) 886-5589
o How long is document retained: Filed for 5 years, route used is same as Lead Service Inventory
o How file is disposed of after the holding period: Documents are deleted electronically from the City’s I Drive
o Responsible person for disposal of the expired document:
Kevin Kerr
Regulatory Compliance Analyst
380 Ave Pico, San Clemente, CA 92672
[email protected]
(949) 886-5589
x If no action is required
o Where is the assessment database stored: Utilities Administration office at 380 Ave Pico, Bldg. N, San Clemente, CA 92672
o Filing method: Filed electronically on the City’s I Drive o Responsible person:
Kevin Kerr
Regulatory Compliance Analyst
380 Ave Pico, San Clemente, CA 92672
[email protected]
(949) 886-5589
o Retained: Filed for 5 years, route used is same as Lead Service Inventory o Disposal method after the holding period: Deleted from I Drive o Person responsible for disposal:
Kevin Kerr
Regulatory Compliance Analyst
380 Ave Pico, San Clemente, CA 92672
[email protected]
(949) 886-5589
o Assessment data storage method: Data stored in I Drive with Excel Spreadsheet under street addresses
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 9-5
o Assessment data electronic storage location: S:\cu\secure\Water OPS Data\CCCPH\Records\Phase 2
x If action is required
o Notification generated by Cross Connection Control Specialist that a backflow is required.
o Notification mailed to residential customer.
o Specialist follows up in 30 days to verify that backflow has been installed. o Action noted in residential assessment database.
o Action noted by:
Kevin Kerr
Regulatory Compliance Analyst
380 Ave Pico, San Clemente, CA 92672
[email protected]
(949) 886-5589
9.2.4 WŚĂƐĞ 3 – ZĞƐŝĚĞŶƟĂůŽŶŶĞĐƟŽŶƐǁŝƚŚŽƵƚĂĐŬŇŽǁWƌŽƚĞĐƟŽŶ Electronic assessment document is created as an Excel spreadsheet which is reviewed by the Cross Connection Control Specialist and signed. Assessment database is stored electronically by Kevin Kerr.
x If no action is required -
o Where is the assessment database stored: Utilities Administration office at 380 Ave Pico, Bldg. N, San Clemente, CA 92672
o Filing method: Filed electronically on the City’s I Drive o Responsible person:
Kevin Kerr
Regulatory Compliance Analyst
380 Ave Pico, San Clemente, CA 92672
[email protected]
(949) 886-5589
o Retained: Filed for 5 years, route used is same as Lead Service Inventory o Disposal method after the holding period: Deleted from I Drive o Person responsible for disposal:
Kevin Kerr
Regulatory Compliance Analyst
380 Ave Pico, San Clemente, CA 92672
[email protected]
(949) 886-5589
o Assessment data storage method: Data stored in I Drive with Excel Spreadsheet under street addresses
o Assessment data electronic storage location: S:\cu\secure\Water OPS Data\CCCPH\Records\Phase 3
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 9-6
x If action is required
o Notification generated by Cross Connection Control Specialist that a backflow is required.
o Notification mailed to residential customer.
o Specialist follows up in 30 days to verify that backflow has been installed. o Action noted in residential assessment database.
o Action noted by:
Kevin Kerr
Regulatory Compliance Analyst
380 Ave Pico, San Clemente, CA 92672
[email protected]
(949) 886-5589
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 10-1
10 hƐĞƌ^ƵƉĞƌǀŝƐŽƌƐ
In accordance with the State CCCPH, Section 3.2.2 (3)(f), The State Water Board and City may, at their discretion, require a water user to designate a user supervisor when the user premises has a multi-piping system that conveys various types of fluids and where changes in the piping system are frequently made. If a user supervisor is designated the following is required:
(1) The user supervisor is responsible for the avoidance of cross-connections during the installation, operation and maintenance of the water user’s pipelines and equipment. The user supervisor must be trained on the fluids used and backflow protection for the premise, and must inform the City of changes in piping, and maintain current contact information on file with the City; and,
(2) The City must include in the CCCMP required in CCCPH Section 3.1.4 the training and qualification requirements for user supervisors if required by the State Water Board or City, identify the entity that will provide the user supervisor training, and frequency of any necessary recurring training. The training must adequately address the types of hazards and concerns typically found.
The City has not required any user supervisors for use sites within the City.
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 11-1
11 ĂĐŬŇŽǁWƌĞǀĞŶƟŽŶƐƐĞŵďůLJdĞƐƟŶŐĂŶĚZĞƉŽƌƟŶŐ
In accordance with the State CCCPH, Section 3.1.3 (a)(6) – the City must ensure that each BPA required by the CCCMP to protect the City’s domestic water system is field tested. The City must develop and implement a procedure for ensuring all BPAs are field tested, inspected, and maintained and AG’s are inspected and maintained in accordance with the State CCCPH, Section 3.3.3.
1. All BPAs installed in the City in compliance with it CCCMP must be field tested following installation, repair, depressurization for winterizing, or permanent relocation.
All required field testing must be performed by certified backflow prevention assembly tester.
2. BPAs must be field tested at least annually. The State CCCPH does not preclude the City, the State Water Board, or a local health agency from requiring more frequent field testing for premises with high hazard cross-connection or BPA at increased risk of testing failure.
3. Air-gap separations must be visually inspected at least annually by a certified as backflow prevention assembly tester or certified as a cross-connection control specialist.
4. The City must receive passing field tests before providing continuous service to a water user with a newly installed BPA.
5. BPAs that fail the field test must be repaired or replaced within 30 days of notification of the failure by the City. Extensions may be allowed by the City at the discretion of the Cross Connection Control Specialist.
Backflow prevention assembly testers must notify the City within one day if a backflow incident or an unprotected cross-connection is observed at the BPA or prior to the user premises during field testing. The City will immediately investigate and discontinue service to the user premises if a backflow incident is confirmed, and water service will not be restored to that user premises until the City receives a confirmation of a passing BPA field test from a backflow prevention assembly tester and the assembly is protecting the City.
11.1 ĂĐŬŇŽǁdĞƐƟŶŐEŽƟĮĐĂƟŽŶWƌŽĐĞƐƐ
For each BPA in the City’s water distribution system, an annual notice that the BPA must be tested in accordance with the CCCMP will be (how distributed?) Upon receipt, the Owner will have (how long?) to have the BPA tested by a certified backflow assembly tester, and the test results submitted to the City (how?) City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 11-2
Each water user with a BPA on the service connection must comply with the following schedule in order to be in compliance with the CCCMP and continue to receive water service from the City.
x First notice – the first annual notice of BPA testing required is sent to the user via US mail. The user must complete and return the BPA test results within 30 days, by email. x Second notice – 30 days after the first notice was sent to the user, a second notice will be sent to the user by US mail. The user will have 15 days to provide the BPA testing results by email.
x Third notice – 15 days after the second notice was sent to the user, a third notice will be sent to the user by US mail, with a notice that the water service will be shut off if the BPA test results are not submitted by email with 10 days of the notice. x Fourth notice – if BPA test results are not provided with 10 days of the third notice by email. A door hangar will be placed at the user site with a 5-day notice to turnoff water service.
x Termination of water service – the user fails to provide the required test results after the final notice, the water service may be terminated at the discretion of the Cross Connection Control Specialist.
11.2ĂŵĂŐĞĚ͕ŵŝƐƐŝŶŐ͕ŽƌŝŵƉƌŽƉĞƌůLJŝŶƐƚĂůůĞĚďĂĐŬŇŽǁƉƌĞǀĞŶƟŽŶ assemblies.
In the event that a backflow prevention assembly is missing (or stolen), installed incorrectly, illegally modified, or tampered with, the City shall implement the following actions:
1. Identification & Initial Response
x Upon identification (through inspection, testing, or reporting) that a BPA is compromised:
o Document the condition with date/time, photos (if possible), and notes. o Immediately notify the Cross-Connection Control Program (CCCP) administrator or designated personnel.
o If there is an immediate threat to public health, initiate emergency shutdown or isolation of the service connection.
2. Notification of Property Owner
x The water service account holder shall be notified within 24 hours in writing and/or by phone.
x The notice will include:
o Description of the violation
o Required corrective actions
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 11-3
o Deadline for compliance (typically within 5–10 business days) o Consequences of non-compliance, including potential service termination.
3. Temporary Mitigation Measures
x If the BPA is missing or stolen:
o The water service may be temporarily suspended until an approved assembly is installed and passes testing.
o If the BPA is tampered with or modified:
o Require immediate correction and retesting.
o Use a locking device or enclosure where tampering is recurrent.
4. Investigation & Documentation
x An investigation shall be conducted to determine:
o Whether the issue was due to theft, vandalism, installation error, or intentional bypass.
o If law enforcement needs to be contacted (e.g., in the case of theft or malicious tampering).
x Maintain detailed records including:
o Inspection findings
o Correspondence with the property owner
o Photos, testing results, and any enforcement action taken
5. Reinstallation & Testing
x The property owner must install an approved backflow prevention assembly per current City standards.
x A certified tester must perform a compliance test within 10 days of installation. x Results must be submitted to the CCCP
6. Enforcement & Penalties
x Failure to comply may result in:
o Termination of water service under local water code authority o Administrative fines or citations (if permitted by municipal code) o Referral to legal or regulatory authorities
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 12-1
12 WƵďůŝĐKƵƚƌĞĂĐŚĂŶĚ
ĚƵĐĂƟŽŶ
In accordance with State CCCPH, Section 3.1.3 (a)(9) and Section 3.1.4 (b)(12) – the City has developed a cross-connection control public outreach and education program that is intended to educate staff, customers, and the community about backflow protection and cross-connection control.
The City has a designated Public Information Officer (PIO) that provides a point of contact for the City regarding the City’s cross-connection control and backflow protection program and other water related issues. The City’s PIO is:
Maile Stivers
Administrative Assistant
(949) 361-6139
[email protected]
Public Outreach to educate the City’s customers on backflow and cross-connection control include information on backflow and cross-connections on the City’s website which is:
https://www.san-clemente.org/about-us/city-information/water-information.
In addition, backflow and cross-connection prevention may be distributed by other means, including but not limited to, periodic water bill inserts, information pamphlet distribution, new customer documentation, emails, and additions to the City’s Consumer Confidence Reports, which is on the City’s website located at:
Water Quality Reports | City of San Clemente, CA
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025 13-1
13 >ŽĐĂů
ŶƟƚLJŽŽƌĚŝŶĂƟŽŶ
In accordance with the State CCCPH, Section 3.1.3 (a)(10) and Section 3.1.4 (b)(13) The City must coordinate with applicable local entities that are involved in either cross-connection control or public health protection to ensure hazard assessments can be performed, appropriate backflow protection is provided and provide assistance in the investigation of backflow incidents.
Local entities may include but are not limited to plumbing, permitting, or health officials, law enforcement, fire departments, maintenance, and public and private entities.
For the City, the local entities which are involved in cross-connection control include, but are not limited to:
City of San Clemente – Planning Department
Contact Name: Alexia Gruszczynski
Address: 910 Calle Negocio, San Clemente, CA 92673
Phone: (949) 361-6197
Email: [email protected]
Coordination includes: Reviewing plans for backflow requirements on a project-by-project basis.
Orange County Health Care Agency
Contact Name: Erasmo Jacinto
Address: 1241 E. Dyer Rd., Suite 120, Santa Ana, CA 92705 Phone: (714) 640-9593
Email: [email protected]
Coordination includes: Reviewing health department requirements regarding backflows on a project-by-project basis.
The City intends to include coordination with other local PWS through events which may include, but not be limited to, semi-annual gatherings with other PWS’ Cross Connection Control Coordinators, public outreach events, and vendor workshops.
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025
Appendix A
What is a Cross Connection?
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025
Appendix A
Background on Backflow Protection and Cross-Connection Control A.1 What is a Cross-Connection?
A cross-connection is an interconnection between a potable water supply and a non- potable source via any actual or potential connection or structural arrangement between a PWS and any source or distribution system containing liquid, gas, or other substances not from an approved water supply. Bypass arrangements, jumper connections, removable sections, swivel or change-over devices and other temporary or permanent devices through which, or because of which backflow can occur are considered to be cross-connections.1 The State CCCPH includes acceptable installation criteria for swivel-ell and other types of backflow prevention assemblies (BPAs) to prevent backflow.
Backflow is the undesired or unintended reversal of flow of water and/or other liquids, gases, or other substances into a PWS’s distribution system or approved water supply.
The presence of a cross-connection represents a location in a distribution system through which backflow of contaminants or pollutants can occur. Backflow occurs when a non-potable source is at a greater pressure than the potable water distribution system. Backflow can occur from either backsiphonage or backpressure. Backsiphonage occurs when a non-potable source enters the drinking water supply due to negative (i.e., sub-atmospheric) distribution system pressure. Backpressure occurs when the pressure from a non-potable source exceeds the pressure in the potable water distribution system.
Backsiphonage may be caused by a variety of circumstances, such as main breaks, flushing, pump failure, or emergency firefighting water demand. Backpressure may occur when heating, cooling, waste disposal, or industrial manufacturing systems are connected to potable supplies and the pressure in the external system exceeds the pressure in the distribution system. Both situations act to change the direction of water, which normally flows from the distribution system to the customer, so that non-potable substances from industrial, commercial, or residential premises flows back into the distribution system through a cross-connection.
Cross-connections are not limited to industrial or commercial facilities. Submerged inlets are found on many common plumbing fixtures and are sometimes necessary features of the fixtures if they are to function properly. Examples of this type of design are siphon-jet urinals or water closets, flushing rim slop sinks, and dental cuspidors.
Older bathtubs and lavatories may have supply inlets below the flood level rims, but modern sanitary design has minimized or eliminated this cross-connection in new fixtures. Chemical and industrial process vats sometimes have submerged inlets where the water pressure is used as an aid in diffusion, dispersion, and agitation of the vat contents. Even though a supply pipe may be installed above a vat, backsiphonage can still occur. Siphon action has been shown to raise a liquid in a pipe such as water almost 34 feet. Some submerged inlets are difficult to control, including those which are not apparent until a significant change in water level occurs or where a supply may be conveniently extended below the liquid surface by means of a hose or auxiliary piping. A submerged inlet may be created in numerous ways, and its detection may be difficult.
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Chemical and biological contaminants have caused illness and deaths during known incidents of backflow, with contamination affecting several service connections, and the number of incidents reported is believed to be a small percentage of the total number of backflow incidents that actually occur. The public health risk from cross-connections and backflow is a function of a variety of factors including cross-connection and backflow occurrence and type and amount of contaminants.
A.2 Purpose of a Cross-Connection Control Program
The purpose of a cross-connection control program is to prevent the occurrence of backflow into a PWS’s distribution system in order to protect customers from contamination or pollution from any on-site hazards. Properly installed and maintained BPAs, devices or methods provide protection against the threat posed by many conditions typically found on a user’s premise.
The use of approved BPAs ensures that the appropriate performance evaluation of the assembly was conducted. It is important and required by the State CCCPH to select and properly install an approved BPA that is capable of protecting the distribution system from the hazard identified.
The success of a program depends on individuals that are knowledgeable about crossconnection control to identify actual and potential hazards, apply principles of backflow protection and prevention, and implement cross-connection control policies and procedures. A successful program will have ongoing surveillance of a PWS to ensure BPAs, devices or methods are working and identify new hazards or changes in the distribution system. Certified specialists are needed to properly evaluate the degree of hazard that exists in the distribution system. Hazards typically identified in distribution systems along with the required level of protection are specified in Chapter 3 of the State CCCPH.
A.3 Notes on Applicability of the Cross-Connection Control Policy Handbook The State CCCPH provides the basis for regulating the use and management of crossconnection control programs and BPAs in PWSs, and related requirements for supporting programs and policies. Activities or uses outside of the scope of the authority of the State Water Board to regulate PWSs are not regulated by the State CCCPH, including California Plumbing Code requirements and definitions not related to PWSs.
Recycled water cross-connection control installations and programs for the purposes of protecting the recycled water supply are not regulated by the State CCCPH, although a PWS that uses recycled water is regulated by the State CCCPH to ensure that a PWS’s drinking water system has adequate backflow protection from a recycled water system.
Water systems that do not meet the definition of a PWS (e.g., “State Small Water Systems” under CCR Title 22, Article 3) are not regulated by the CCCPH, although they may need to comply with the California Plumbing Code, local health agencies, and other laws or entities. __________________________________________
1 California Department of Health Services (DHS), Public Water Supply Branch. (1988). Guidance Manual for cross connection Control Program (Green Manual). California Department of Health Services City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025
Appendix B
Assembly Bill 1671 (2017, Chapter 533)
Assembly Bill 1180 (2019, Chapter 455)
City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025
Assembly Bill No. 1671
CHAPTER 533
An act to amend Section 116810 of, and to add Sections 116407 and 116555.5 to, the Health and Safety Code, relating to drinking water. [Approved by Governor October 6, 2017. Filed with Secretary of State October 6, 2017.]
legislative counsel’s digest
AB 1671, Caballero. Backflow protection and cross-connection controls:
standards.
(1) Existing law, the California Safe Drinking Water Act, requires the State Water Resources Control Board to administer provisions relating to the regulation of drinking water to protect public health, including, but not limited to, conducting research, studies, and demonstration projects relating to the provision of a dependable, safe supply of drinking water, enforcing the federal Safe Drinking Water Act, adopting regulations, and conducting studies and investigations to assess the quality of private domestic water wells. Existing law makes certain violations of the act a misdemeanor.
Existing law requires any person who owns a public water system to ensure that the system does certain things, including, but not limited to, that it will not be subject to backflow under normal operating conditions. Existing law, to ensure that testing and maintenance of backflow prevention devices are performed by persons qualified to do testing and maintenance, authorizes local health officers to maintain programs for certification of backflow prevention device testers and requires the certification program to be consistent with backflow protection regulations adopted by the state board. A violation of these provisions, or an order by a local health officer pursuant to these provisions, is a misdemeanor.
This bill would require a public water system to implement a crossconnection control program that complies with, and would require the certification program to be consistent with, applicable regulations and the standards described in (2).
(2) Existing regulations establish standards for a backflow prevention device and cross-connection control.
This bill, on or before January 1, 2020, would require the state board to adopt standards for backflow protection and cross-connection control and would authorize the state board to do so through the adoption of a policy handbook, as specified. By authorizing the state board to adopt standards, the violation of which would be a crime, the bill would create a new crime and impose a state-mandated local program.
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Ch. 533 — 2 —
(3) The California Constitution requires the state to reimburse local agencies and school districts for certain costs mandated by the state. Statutory provisions establish procedures for making that reimbursement.
This bill would provide that no reimbursement is required by this act for a specified reason.
The people of the State of California do enact as follows:
SECTION 1. Section 116407 is added to the Health and Safety Code, to read:
116407. (a) On or before January 1, 2020, the state board shall adopt standards for backflow protection and cross-connection control.
(b) The state board may implement subdivision (a) through the adoption of a policy handbook that is not subject to the requirements of Chapter 3.5 (commencing with Section 11340) of Part 1 of Division 3 of Title 2 of the Government Code. The policy handbook shall include standards for backflow protection and cross-connection control. In developing the standards and any amendments to those standards, the state board shall consult with state and local agencies and other persons whom the state board has identified as having expertise in the subject of backflow protection and cross-connection control.
The state board shall hold at least two public hearings before adopting the policy handbook. The policy handbook shall be posted on the board’s Internet Web site. (c) (1) Upon the effective date of a policy handbook adopted by the state board pursuant to subdivision (b), the regulations set forth in Article 1 (commencing with Section 7583) and Article 2 (commencing with Section 7601) of Group 4 of Subchapter 1 of Chapter 5 of Division 1 of Title 17 of the California Code of Regulations shall become inoperative, and, 90 days thereafter, are repealed, unless the state board makes a determination not to repeal a specific regulation. (2) If the state board determines not to repeal a specific regulation pursuant to paragraph (1), the state board shall provide to the Office of Administrative Law and the Secretary of State written notice of its determination, including identification of the specific regulation that is not repealed. That regulation, upon the provision of that written notice to the Office of Administrative Law and the Secretary of State, shall become operative.
SEC. 2. Section 116555.5 is added to the Health and Safety Code, to read:
116555.5. A public water system shall implement a cross-connection control program that complies with applicable regulations and with standards adopted by the board pursuant to Section 116407.
SEC. 3. Section 116810 of the Health and Safety Code is amended to read:
116810. To ensure that testing and maintenance of backflow prevention devices are performed by persons qualified to do testing and maintenance, 94 City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025
— 3 — Ch. 533
local health officers may maintain programs for certification of backflow prevention device testers. The local health officer may suspend, revoke, or refuse to renew the certificate of a tester, if, after a hearing before the local health officer or his or her designee, the local health officer or his or her designee finds that the tester has practiced fraud or deception or has displayed gross negligence or misconduct in the performance of his or her duties as a certified backflow prevention device tester. The local health officer may collect fees from certified testers to offset the cost of the certification program provided pursuant to this section. The certification standards shall be consistent with standards adopted by the state board pursuant to Section 116407 and any other applicable backflow protection regulations.
SEC. 4. No reimbursement is required by this act pursuant to Section 6 of Article XIII B of the California Constitution because the only costs that may be incurred by a local agency or school district will be incurred because this act creates a new crime or infraction, eliminates a crime or infraction, or changes the penalty for a crime or infraction, within the meaning of Section 17556 of the Government Code, or changes the definition of a crime within the meaning of Section 6 of Article XIII B of the California Constitution.
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Assembly Bill No. 1180
CHAPTER 455
An act to amend Section 116407 of the Health and Safety Code, and to add Section 13521.2 to the Water Code, relating to water.
[Approved by Governor October 2, 2019. Filed with Secretary of State October 2, 2019.]
legislative counsel’s digest
AB 1180, Friedman. Water: recycled water.
(1) Existing law, the California Safe Drinking Water Act, requires the State Water Resources Control Board to administer provisions relating to the regulation of drinking water to protect public health. Existing law requires, on or before January 1, 2020, the state board to adopt standards for backflow protection and cross-connection control through the adoption of a policy handbook, as specified.
This bill would require that handbook to include provisions for the use of a swivel or changeover device to supply potable water to a dual-plumbed system during an interruption in recycled water service.
(2) Existing law requires the state board to establish uniform statewide recycling criteria for each varying type of use of recycled water where the use involves the protection of public health.
This bill would require the state board, on or before January 1, 2023, as specified, to update the uniform statewide criteria for nonpotable recycled water uses.
The people of the State of California do enact as follows:
SECTION 1. The Legislature finds and declares all of the following:
(a) On December 11, 2018, the State Water Resources Control Board unanimously adopted an amendment to the policy for water quality control for recycled water, which included a goal to increase the use of recycled water in the state from 714,000 acre-feet per year in 2015 to 1,500,000 acre-feet per year by 2020 and 2,500,000 acre-feet per year by 2030.
(b) Section 13521 of the Water Code requires the state board to establish uniform statewide recycling criteria for each varying type of use of recycled water where the use involves the protection of public health.
(c) The regulations establishing the uniform statewide criteria for recycled water uses are set forth in Chapter 3 (commencing with Section 60301.050) of Division 4 of Title 22 of the California Code of Regulations. The regulations that pertain to nonpotable recycled water uses have not been updated since 2000. 95 City of San Clemente - ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025
Ch. 455 — 2 —
(d) The regulations relating to backflow protection and cross-connection control for recycled water are set forth in Article 1 (commencing with Section 7583) and Article 2 (commencing with Section 7601) of Group 4 of Subchapter 1 of Chapter 5 of Division 1 of Title 17 of the California Code of Regulations. These regulations have not been updated since 1987.
(e) Section 1 of Chapter 533 of the Statutes of 2017 (Assembly Bill 1671 of the 2017–18 Regular Session) requires, on or before January 1, 2020, the state board to adopt backflow protection and cross-connection control standards and authorizes their implementation through a policy handbook.
(f) In order to maximize the amount of recycled water California can safely use for beneficial purposes, it is necessary to update the uniform statewide criteria for nonpotable recycled water uses and specify certain associated backflow protection and cross-connection control provisions.
SEC. 2. Section 116407 of the Health and Safety Code is amended to read:
116407. (a) On or before January 1, 2020, the state board shall adopt standards for backflow protection and cross-connection control.
(b) (1) The state board may implement subdivision (a) through the adoption of a policy handbook that is not subject to the requirements of Chapter 3.5 (commencing with Section 11340) of Part 1 of Division 3 of Title 2 of the Government Code. The policy handbook shall include standards for backflow protection and cross-connection control. In developing the standards and any amendments to those standards, the state board shall consult with state and local agencies and other persons whom the state board has identified as having expertise in the subject of backflow protection and cross-connection control. The state board shall hold at least two public hearings before adopting the policy handbook. The policy handbook shall be posted on the board’s internet website. (2) (A) The policy handbook described in this subdivision shall include provisions for the use of a swivel or changeover device to supply potable water to a dual-plumbed system during an interruption in recycled water service. (B) The use of a swivel or changeover device shall be consistent with any notification and backflow protection provisions contained in the policy handbook. (c) (1) Upon the effective date of a policy handbook adopted by the state board pursuant to subdivision (b), the regulations set forth in Article 1 (commencing with Section 7583) and Article 2 (commencing with Section 7601) of Group 4 of Subchapter 1 of Chapter 5 of Division 1 of Title 17 of the California Code of Regulations shall become inoperative, and, 90 days thereafter, are repealed, unless the state board makes a determination not to repeal a specific regulation. (2) If the state board determines not to repeal a specific regulation pursuant to paragraph (1), the state board shall provide to the Office of Administrative Law and the Secretary of State written notice of its determination, including identification of the specific regulation that is not repealed. That regulation, upon the provision of that written notice to the
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— 3 — Ch. 455
Office of Administrative Law and the Secretary of State, shall become operative.
SEC. 3. Section 13521.2 is added to the Water Code, to read:
13521.2. (a) On or before January 1, 2023, the state board shall update the uniform statewide criteria for nonpotable recycled water uses established in Chapter 3 (commencing with Section 60301.050) of Division 4 of Title 22 of the California Code of Regulations. The deadline imposed by this section is mandatory only if the Legislature has appropriated sufficient funds, as determined by the executive director of the state board, in the annual Budget Act or otherwise to cover the state board’s costs associated with the performance of the duties imposed by this section. (b) For purposes of the update to the uniform statewide criteria for nonpotable recycled water uses described in subdivision (a), the state board shall adopt a regulation that incorporates by reference the criteria and applicable backflow protection provisions, including the provisions for the use of a swivel or changeover device for dual-plumbed systems, that are contained in the most recently adopted version of the policy handbook adopted pursuant to Section 116407 of the Health and Safety Code and any future versions of the policy handbook. 95 City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025
Appendix C
Municipal Code Title 13 - Public Services,
Chapter 13.04 – Water Service System
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(Supp. No. 62, Update 2)
13.04.350 Cross-connection and backflow protection.
A. Intent. The purpose of this section is (1) to protect the public water supply against actual or potential contamination through cross-connections by isolating sources of contamination that may occur within a water user's premises because of some undiscovered or unauthorized cross-connection on the premises; (2) to eliminate existing connections between drinking water systems and other sources of water that are not approved as safe and potable for human consumption; (3) to eliminate cross-connections between drinking water systems and sources of contamination; and (4) to prevent the making of cross-connections in the future.
B. In cooperation with the State Water Resources Control Board Division of Drinking Water, City’s major goal is to ensure the distribution of a safe and potable water supply to all domestic water users. In order for the City to achieve this goal, a Cross-Connection Control Management Plan (CCCMP) is being developed with an effective date of July 1, 2025. The City’s CCCMP was developed pursuant to the requirements set forth in the CrossConnection Control Policy Handbook (CCCPH) which replaced State of California Administrative Code Title 17, Sections §7583 through §7605 and applies to all State of California Public Water Systems, as defined in California’s Health and Safety Code (CHSC, section 116275(h)).
These regulations are adopted pursuant to California Code of Regulations, Title 17, Chapter 5, Subchapter 1, Group 4 "Drinking Water Supplies."CCCPH.
It is hereby declared to be unlawful for any person, firm, or corporation at any time to make or maintain or cause to be made or maintained, temporarily or permanently, for any period of time whatsoever, any crossconnection between plumbing pipes or water fixtures being served with water by the City water department and any other source of water supply, or to maintain any sanitary fixture or other appurtenances or fixtures which, by reason of their construction, may cause or allow backflow of water or other substances into the water supply system of the City and/or the service of water pipes or fixtures of any consumer of the City.
B. Definitions.
"Air-gap separation" means a physical break between a supply pipe and a receiving vessel. The air-gap shall be at least double the diameter of the supply pipe measured vertically above the top rim of the vessel, in no case less than one (1) inch.
"Approved backflow prevention assembly" means an assembly which has passed laboratory and field evaluation tests performed by a recognized testing organization which has demonstrated their competency to perform such tests to the California Department of Health Services or successor organization. "Approved water supply" means any water supply whose potability is regulated by a state or local Health Agency.
"Auxiliary supply" means any water supply on or available to the premises other than the approved water supply.
"AWWA Standard" means an official standard developed and approved by the American Water Works Association (AWWA).
"Backflow" means a flow condition, caused by a differential in pressure, that causes the flow of water or other liquids, gases, mixtures, or substances into the distributing pipes of a potable supply of water from any source or sources other than an approved water supply source. Backsiphonage is one cause of backflow. Back pressure is another cause.
"Contamination" means a degradation of the quality of the potable water by any foreign substance which creates a hazard to the public health, or which may impair the usefulness or quality of the water. "Cross-connection" as used in this chapter means any unprotected actual or potential connection between a Created: 2025-02-19 15:23:12 [EST]
(Supp. No. 62, Update 2)
potable water system used to supply water for drinking purposes and any source or system containing unapproved water or a substance that is not or cannot be approved as safe, wholesome, and potable. Bypass arrangements, jumper connections, removable sections, swivel or changeover assemblies, or other assemblies through which backflow could occur, shall be considered to be cross-connections. "Double check valve assembly" means an assembly of two (2) internally loaded, independently acting check valves, including resilient seated shut-off valves on each end of the assembly and test cocks for testing the watertightness of each check valve.
"Health Agency" means the California Department of Health Services. "Local Health Agency" means the Orange County Health Care Agency, Environmental Health Division. "Person" means an individual, corporation, company, association, partnership, municipality, public utility, or other public body or institution.
"Premises" means any and all areas on a water user's property which are served or have the potential to be served by the public water system.
"Public water system" means a system for the provision of piped water to the public for human consumption that has five or more service connections or regularly serves an average of twenty-five (25) individuals daily at least sixty (60) days out of the year.
"Reclaimed/recycled water" means a wastewater which, as a result of treatment, is suitable for uses other than potable use.
"Reduced pressure principle backflow prevention assembly" means an assembly incorporating two (2) internally loaded, independently operating check valves and an automatically operating differential relief valve located between the two (2) checks, including resilient seated shut-off valves on each end of the assembly, and equipped with necessary toot cocks for testing the assembly. "Service connection" refers to the point of connection of a user's piping to the water supplier's facilities. "Water supplier" means the person who owns or operates the approved water supply system. "Water user" means any person obtaining water from an approved water supply system.
C. Cross-Connection Protection Requirements.
1. General Provisions.
a. Unprotected cross-connections with the public water supply are prohibited. b. Whenever backflow protection has been found necessary, the City will require the water user to install an approved backflow prevention assembly by and at his or her expense in order to maintain continued services or before a new service will be initiated. c. Wherever backflow protection has been found necessary on a water supply line entering a water user's premises, any and all water supply lines from the City's mains entering such premises, buildings, or structures shall be protected by an approved backflow prevention assembly. The type of assembly will be in accordance with the requirements of this section.
2. Where Protection is Required.
a. Each service connection from the City water system for supplying water to premises having an auxiliary supply shall be protected against backflow of water from the premises into the public water system unless the auxiliary water supply is accepted and approved as an additional source by the City. and is approved by the Health Agency.
b. Each service connection from the City water system for supplying water to any premises on which any substance is handled in such fashion as may allow its entry into the water system shall be protected against backflow of the water from the premises into the public system. This shall include the handling of process waters and waters originating from the City water system which Created: 2025-02-19 15:23:12 [EST]
(Supp. No. 62, Update 2)
have been subjected to deterioration in sanitary quality. c. Approved backflow prevention assemblies shall be installed on service connections to any premises having: (a) internal cross-connections that cannot be permanently corrected and controlled to the satisfaction of the state or local health department and the City; or (b) intricate plumbing and piping arrangements or premises construction such that entry to all portions of the premises are not readily accessible for inspection purposes, making it impracticable or impossible to ascertain whether or not cross-connections exist.
3. Type of Protection Required.
a. The type of protection that shall be provided to prevent backflow into the approved water supply shall be commensurate with the degree of hazard that exists on the consumer's premises. The type of protective assembly that may be required (listed in an increasing level of protection) includes: double check valve assembly (DC), reduced pressure principle approved backflow prevention assembly (RP), and an air-gap separation (AG). The water user may choose a higher level of protection than required by the City. The minimum types of backflow protection required to protect the approved water supply at the user's water connection to premises with varying degrees of hazard are given in Table 13.04.350. Situations which are not covered in Table
13.04.350 shall be evaluated on a case-by-case basis and the appropriate backflow protection shall be determined by the City or Health Agency.
Table 13.04.350
Type of Backflow Protection Required
Degree of Hazard Minimum Type of
Backflow Prevention
1. Sewage and Hazardous Substances
a. Premises where there are wastewater pumping and/or treatment plants and there is no interconnection with the potable water system. This does not include a singlefamily residence that has a sewage lift pump. An RP may be provided in lieu of an AG if approved by the Health Agency and the City Utilities Division.
AG
b. Premises where hazardous substances are handled in any manner in which the substances may enter a potable water system. This does not include a single-family residence that has a sewage lift pump. An RP may be provided in lieu of an AG if approved by the Health Agency and the City Utilities Division.
AG
c. Premises where there are irrigation systems into which fertilizers, herbicides, or pesticides are, or can be, injected.
RP
2. Auxiliary Water Supplies
a. Premises where there is an unapproved auxiliary supply which is interconnected with the public water system. An RP or DC may be provided in lieu of an AG if approved by the Health Agency and the City Utilities Division.
AG
b. Premises where there is an unapproved auxiliary supply and there are no interconnections with the public water system. A DC may be provided in lieu of an RP if approved by the Health Agency and City Utilities Division.
RP
3. Recycled Water
a. Premises where the public water system is used to supplement the recycled water supply.
AG
b. Premises where recycled water is used and there is no interconnection with the potable water system.
RP
4. Fire Protection Systems
a. Premises where the fire system is directly supplied from the public water system and there is an unapproved auxiliary supply on or to the premises (not interconnected).
DC
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(Supp. No. 62, Update 2)
b. Premises where the fire system is supplied from the public water system and interconnected with an unapproved auxiliary supply. An RP may be provided in lieu of an AG if approved by the Health Agency and City Utilities Division.
AG
c. Premises where the fire system is supplied from the public water system and where either elevated storage tanks or fire pumps which take suction from private reservoirs or tanks are used.
DC
d. Buildings where the fire system is supplied from the public water system and where recycled water is used in a separate piping system within the same building.
DC
5. Dockside Watering Points and Marine Facilities
a. Pier hydrants for supplying water to vessels for any purpose. RP b. Premises where there are marine facilities. RP
6. Premises where entry is restricted so that inspections for cross-connections cannot be made with sufficient frequency or at sufficiently short notice to assure that crossconnections do not exist.
RP
7. Premises where there is a repeated history of cross-connections being established or re-established.
RP
b. Two (2) or more services supplying water from different street mains to the same building, structure, or premises through which an interstreet main flow may occur shall have at least a standard check valve on each water service to be located adjacent to and on the property side of the respective meters. Such check valve shall not be considered adequate if back-flow protection is deemed necessary to protect the City's mains from pollution or contamination; in such cases the installation of approved backflow assemblies at such service connections shall be required.
D. Backflow Prevention Assemblies.
1. Approved Backflow Prevention Assemblies.
a. Only approved backflow prevention assemblies which have been approved by the City shall be acceptable for installation by a water user connected to the City's potable water system. b. The city will provide, upon request, to any affected customer a list of approved backflow prevention assemblies.
2. Approved Backflow Prevention Assembly Installation.
a. Approved backflow prevention assemblies shall be installed in a manner prescribed in Section 7603, Title 17 of the California Administrative Codethe CCCMP. Location of the assemblies should be as close as practical to the user's connection. The City shall have the final authority in determining the required location of an approved backflow prevention assembly. i. Air-Gap Separation (AG). The air-gap separation shall be located on the user's side of and as close to the service connection as is practical. All piping from the service connection to the receiving tank shall be above grade and be entirely visible. No water use shall be provided from any point between the service connection and the air-gap separation. The water inlet piping shall terminate a distance of at least two (2) pipes diameters of the supply inlet, but in no case less than one (1) inch above the overflow rim of the receiving tank. ii. Reduced Pressure Principle Backflow Prevention Assembly (RP). The approved reduced pressure principle backflow prevention assembly shall be installed on the user's side of and as close to the service connection as is practical. The assembly shall be installed a minimum of twelve (12) inches above grade and not more than thirty-six (36) inches above grade measured from the bottom of the assembly and with a minimum of twelve (12) inches side clearance. The assembly shall be installed so that it is readily accessible for maintenance and testing. Water supplied from any point between the service connection and the RP assembly shall be protected in a manner approved by the City.
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(Supp. No. 62, Update 2)
ii.
iii. Double Check Valve Assembly (DC). The approved double check valve assembly shall be located as close as practical to the user's service connection and shall be installed above grade, if possible, and in a manner where it is readily accessible for testing and maintenance. If a double check valve assembly is put below grade it must be installed in a vault such that there is a minimum of six (6) inches between the bottom of the vault and the bottom of the assembly so that the top of the assembly is no more than a maximum of eight (8) inches below grade, so there is a minimum of twenty-four (24) inches of clearance between the side of the assembly with the test cocks and the side of the vault, and so there is a minimum of twelve (12) inches clearance between the other side of the assembly and the side of the vault. Special consideration must be given to double check valve assemblies of the "Y" type. These assemblies must be installed on their "side" with the tests cocks in a vertical position so that either check valve may be removed for service without removing the assembly. Vaults which do not have an integrated bottom must be placed on a three (3) inch layer of gravel.
3. Approved Backflow Prevention Assembly Testing and Maintenance. a. The owners of any premises on which, or on account of which, approved backflow prevention assemblies are installed shall have the assemblies tested by a person who has demonstrated their competency to the City in testing these assemblies. Approved backflow prevention assemblies must be tested at least annually and immediately after installation, relocation, or repair. The City may require a more frequent testing schedule if it is determined to be necessary.
No assembly shall be placed back in service unless it is functioning as required. A report in a form acceptable to the City shall be filed with the City each time an assembly is tested, relocated, or repaired. These assemblies shall be serviced, overhauled, or replaced whenever they are found to be defective and all costs of testing, repair, and maintenance shall be borne by the water user. b. The City will supply affected water users with a list of persons licensed to test and certify approved backflow prevention assemblies. The city will notify affected customers by mail when annual testing of an assembly is needed and also supply users with the necessary forms which must be filled out each time an assembly is tested or repaired.
4. Approved Backflow Prevention Assembly Removal.
a. Approval must be obtained from the City before an approved backflow prevention assembly is removed, relocated, or replaced.
i. Removal. The use of an assembly may be discontinued and the assembly removed from service upon presentation of sufficient evidence to the City to verify that a hazard no longer exists or is not likely to be created in the future; ii. Relocation. An assembly may be relocated following confirmation by the City that the relocation will continue to provide the required protection and satisfy installation requirements. A retest will be required following the relocation of the assembly; iii. Repair. An assembly may be removed for repair, provided the water use is either discontinued until repair is completed and the assembly is returned to service, or the service connection is equipped with other backflow prevention assembly approved by the City. A retest will be required following the repair of the assembly; and iv. Replacement. An assembly may be removed and replaced provided the water use is discontinued until the replacement assembly is installed. All replacement assemblies must be approved by the City and must be commensurate with the degree of hazard involved.
E. User Supervisor. At each premises where it is necessary, in the opinion of the City, a user supervisor shall be designated by and at the expense of the water user. This user supervisor shall be responsible for the Formatted: Font: 11 pt
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bullets or numbering, Tab stops: Not at 1.33"
Created: 2025-02-19 15:23:12 [EST]
(Supp. No. 62, Update 2)
monitoring of the approved backflow prevention assemblies and for avoidance of cross-connections. In the event of contamination or pollution of the drinking water system due to a cross-connection on the premises, the City shall be promptly notified by the user supervisor so that appropriate measures may be taken to overcome the contamination. The water user shall inform the City of the user supervisor's identity on, as a minimum, an annual basis and whenever a change occurs.
F. Administrative Procedures.
1. Water System Survey.
a. The City shall review all requests for new services to determine if backflow protection is needed.
Plans and specifications must be submitted to the City upon request for review of possible crossconnection hazards as a condition of service for new service connections. If it is determined that an approved backflow prevention assembly is necessary to protect the public water system, the required assembly must be installed before service will be granted. b. The City may require an on-premises inspection to evaluate cross-connection hazards. The City will transmit a written notice requesting an inspection appointment to each affected water user.
Any water user who cannot or will not allow an on-premises inspection of his or her piping system shall be required to install the approved backflow prevention assembly the City considers necessary.
c. The City may, at its discretion, require a reinspection for cross-connection hazards of any premises to which it serves water. The City will transmit a written notice requesting an inspection appointment to each affected water user. Any water user who cannot or will not allow an onpremises inspection of his piping system shall be required to install the approved backflow prevention assembly the City considers necessary.
2. Customer Notification—Assembly Installation.
a. The City will notify the water user of the survey findings, listing the corrective actions to be taken if any are required. A period of thirty (30) sixty (60) days will be given to complete all corrective actions required, including installation of approved backflow prevention assemblies. b. A second notice will be sent to each water user who does not take the required corrective actions prescribed in the first notice within the thirty (30) sixty (60) day period allowed. The second notice will give the water user a two (2) week period to take the required corrective action. If no action is taken within the two (2) week period, the City may terminate water service to the affected water user until the required corrective actions are taken.
3. Customer Notification—Testing and Maintenance.
a. The City will notify each affected water user when it is time for the approved backflow prevention assembly installed on their service connection to be tested. This written notice shall give the water user thirty (30) days to have the assembly tested. The City will supply the water user with the necessary form to be completed and resubmitted to the City. b. A second notice shall be sent to each water user who does not have his/her approved backflow prevention assembly tested within the thirty (30) day period as prescribed in the first notice. The second notice will give the water user a two (2) week period to have his/her approved backflow prevention assembly tested. If no action is taken within the two (2) week period, the City may terminate water service to the affected water user until the subject assembly is tested.
4. Administrative Fees.
The City Council shall, by resolution, establish such fees as are necessary to implement the city's backflow prevention program. Such fees may be amended from time to time, by resolution, as the City Council deems necessary. Any failure to timely pay such fee as may be adopted or amended from time to time shall result in the City discontinuing water service to the premises until such time as the Created: 2025-02-19 15:23:12 [EST]
(Supp. No. 62, Update 2)
delinquent fee, plus any assessed penalty, has been received by the City.
G. Water Service Termination.
1. General.
When the City encounters water uses that represent a clear and immediate hazard to the potable water supply that cannot be immediately abated, the City shall institute the procedure for discontinuing the City water service.
2. Basis For Termination.
Conditions or water uses that create a basis for water service termination shall include, but are not limited to, the following items:
a. Refusal to install a required approved backflow prevention assembly; b. Refusal to test an approved backflow prevention assembly; c. Refusal to repair a faulty approved backflow prevention assembly; d. Refusal to replace a faulty approved backflow prevention assembly; e. Direct or indirect connection between the public water system and a sewer line; f. Unprotected direct or indirect connection between the public water system and a system or equipment containing contaminants;
g. Unprotected direct or indirect connection between the public water system and an auxiliary system; and
h. A situation which presents an immediate health hazard to the public water system.
3. Water Service Termination Procedures.
a. For conditions in subsections (G)(2)(a), (b), (c) or (d), the City will terminate service to a customer's premises after two (2) written notices have been sent specifying the corrective action needed and the time period in which it must be done. If no action is taken within the allowed time period, water service may be terminated.
b. For conditions in subsections (G)(2)(e), (f), (g) or (h), the City will take the following steps:
i. Make a reasonable effort to advise the water user of the City's intent to terminate water service;
ii. Terminate water supply and lock service valve. The water service will remain inactive until correction of violations has been approved by the City.
H. Tester Certification and Qualifications. The following are minimum requirements:
a. Testers shall have had at least two (2) years experience in plumbing or pipe fitting, or equivalent qualifications.
b. Testers shall hold a valid certification from the Orange County Health Care Agency, Environmental Health DivisionAWWA.
c. Each tester of approved backflow prevention assemblies shall furnish evidence to show that he or she has available the necessary tools and equipment to properly test such assemblies. He or she shall be responsible for the competency and accuracy of all tests and reports prepared by him or her.
d. Testers shall hold a current City of San Clemente business license, Section 5.04.020 of this code. (Ord. 1210 § 1, 1998: prior code § 32-36)
City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025
Appendix D
Ordinance No. 1210
261/062266-0191nt50735.3 a04/25/97
ORDINANCE NO. 1210
AN ORDINANCE OF THE CITY COUNCIL OF THE CITY
OP SAN CLEMENETE,· CALIFORNIA, AMENDING SECTION
13.04.350 RELATING TO CROSS CONNECTION AND
BACKFLOW PROTECTION DEVICESPROGRAM
WHEREAS, the City of San Clemente provides potable water services to the people of San Clemente; and •
WHEREAS, the City desires to protect the public water supply against contamination through cross connections by methods including but not limited to isolating sources of contamination and eliminating cross connections between drinking water systems and contamination sources; and
WHEREAS, the City adopts this Ordinance in furtherance of the aforementioned goals.
NOW, THEREFORE, the City Council of the City of San Clemente hereby ordains as follows:
Section 1. Section 13.04.350 of the Code of the City of San Clemente is hereby amended to read in its entirety as follows:
13.04.350. Cross connection and backflow protection.
A. INTENT
The purpose of this Ordinance is (1) to protect
the public water supply against actual or potential
Contamination through ·cross Connections by isolating
sources of Contamination that may occur within a Water
User's Premises because of some undiscovered or
unauthorized Cross Connection on the Premises; (2) to
eliminate existing connections between drinking water
systems and other sources of water that are not approved as safe and potable f9r human consumption; (3) to
eliminate Cross· Connections between drinking water
systems and sources of Contamination; and (4) to prevent the making of Cross Connections in the future.
In cooperation with the State Water Resources Control
Board Division of Drinking Water, City’s major goal is to ensure the distribution of a safe and potable water supply to all domestic water users. In order for the City to
achieve this goal, a Cross-Connection Control Management Plan (CCCMP) is being developed with an effective date of July 1, 2025. The City’s CCCMP was developed pursuant to the requirements set forth in the Cross-Connection Control Policy Handbook (CCCPH) which replaced State of California Administrative Code Title 17, Sections §7583 through §7605 and applies to all State of California Public Water Systems, as defined in California’s Health and Safety Code (CHSC, section 116275(h)).
261/062266-0191nt50735.3 a04/25/97
These regulations are adopted pursuant to CCCPH
California Code of Regulations, Title 17, Chapter 5,
Subchapter 1,
Group 4 "Drinking Water Supplies."
It is hereby declared to be unlawful for any Person,
firm, or corporation at any time to make or maintain or cause to be made or maintained, temporarily or
permanently, for any period of time whatsoever, any
Cross Connection between plumbing pipes or water fixtures being served with water by the City water department
and any other source of water supply, or to maintain any sanitary
261/062266-019112150735.3 a04f25/97 -2-
Ordinance No. 1210 Page two
fixture or other appurtenances or fixtures which, by
reason of their construction, may cause or allow Backflow of water or other substances into the water supply system of the City and/or the service of water pipes or fixtures of any consumer of the City.
B. DEFINITIONS
1. Air-Gap Separation: The term "Air-Gap
Separation" means a physical break between a
supply pipe and a receiving vessel. The airgap shall be at least double the diameter of the supply pipe measured vertically above the
top rim of the vessel, in no case less than
one inch.
2. Approved Backflow Prevention Assembly: The
term "Approved Backflow Prevention Assembly"
shall mean an assembly which has passed
laboratory and field evaluation tests
performed by a recognized testing
organization which has demonstrated their
competency to perform such tests to the
California Department of Health. Services or
successor organization.
3. Approved Water Supply: The term "Approved
Water Supply" means any water supply whose
potability is regulated by a State or Local
Health Agency.
4. Auxiliary Supply: The term "Auxiliary Supply"
means any water supply on or available to the
Premises other than the Approved Water Supply.
5. AWWA Standard: The term "AWWA Standard" means
an official standard developed and approved by
the American Water Works Association (AWWA).
6. Backflow: The term "Backflow" shall mean a
flow condition, caused by a differential in
pressure, that causes the flow of water or
other liquids, gases, mixtures, or substances
into the distributing pipes of a potable
supply of water· from any source or sources
other than an Approved Water Supply source.
Backsiphonage is one cause of Backflow. Back
pressure is another cause.
7. Contamination: The term "Contamination" means
a degradation of the quality <;>f the potable
water by any foreign substance which creates a
hazard to the public health, or which may
impair the usefulness or quality of the water.
261/062266--0191nt sons.3 a0412S/97 -3-
Ordinance No. 1210 Page,three
8. Cross Connection: The term "Cross Connection"
as used in this Ordinance means any
unprotected actual or potential connection
between a potable water system used to supply
water for drinking purposes and any source or
system containing unapproved water or a
substance that is not or cannot be approved
as safe, wholesome, and potable. By-pass
arrangements, jumper connections, removable
sections, swivel or changeover assemblies, or
other assemblies through which Backflow could
occur, shall be considered to be Cross
Connections.
9. Double Check Valve Assembly: The term "Double
Check Valve Assembly" means an assembly of two
internally loaded, independently acting check
valves, including resilient seated shut-off
valves on each end of the assembly and test
cocks for testing the watertightness of each
check valve.
10. Health Agency: The term "Health Agency" means
the California Department of Health Services.
11. Local Health Agency: The term "Local Health
Agency" means the Orange County Health Care
Agency, Environmental Health Division.
12. Person: The term "Person" means an
individual, corporation, company,
association, partnership, municipality,
public utility, or other public body or
institution.
13. Premises: The term "Premises" means any and
all areas on a Water User's property which are
served or have the potential to be served by
the Public Water System.
14. Public Water System: The term "Public Water
system" means a system for the provision of
piped water to the public for human
consumption that has five or more Service
Connections or regularly serves an average of
25 individuals daily at least 60 days out of
the year.
15. Reclaimed/Recycled Water: The term "Reclaimed/
Recycled Water" means a wastewater which, as a
result of treatment, is suitable for uses
other than potable use.
16.1. Reduced Pressure Principle Backflow
Prevention Assembly: The term "Reduced
Pressure Principle Backflow Prevention
261/062266--0191nt sons.3 a0412S/97 -3-
Assembly" means an assembly incorporating two
internally loaded,
261/062266-0191/21S073S.3 a04n5l<n -4-
Ordinance No 1210 Page•four·
independently operating check valves and an
automatically operating differential relief
valve located between the two checks,
including resilient seated shut-off valves on
each end of the assembly, and equipped with
necessary toot cocks for testing the
assembly.
17. Service Connection: The term "Service
Connection" refers to the point of connection
of a user's piping to the Water Supplier's
facilities.
18. Water Supplier: The term "Water .supplier"
means the Person who owns or operates the
Approved Water Supply system.
19. Water User: The term "Water User" means any
Person obtaining water from an Approved Water
Supply system..
c. CROSS CONNECTION PROTECTION REQUIREMENTS
1. General Provisions •
a. Unprotected Cross Connections with the
public water supply are prohibited.
b. Whenever Backflow protection has been
found necessary, the City will require
the Water· User to install an Approved
Backflow Prevention Assembly by and at
his expense in order to maintain
continued services or before a new
service will be initiated.
c. Wherever Backflow protection has been
found necessary on a water supply line
entering a Water User's Premises, any and
all water supply lines from the City's
mains entering such Premises, buildings,
or structures shall be protected by an
Approved Backflow Prevention Assembly.
The type of assembly will be in
accordance with the requirements of this
section.
2. Where Protection is Required
a. Each Service Connection from the City
water system for supplying water to
Premises having an Auxiliary Supply shall
be protected against Backflow of water
from the Premises into the Public Water
System unless the Auxiliary Water Supply
261/062266--0191/2150735.3 a04/25/97 -5-
Ordinance No. 1210 Page .five·
is accepted and approved as an.
additional source by the City and is
approved by the Health Agency.
b. Each Service Connection from the City
water system for supplying water to any
Premises on which any substance is
handled in such fashion as may allow its
entry into the water system shall be
protected against Backflow of the water
from the Premises into the public system.
This shall include the handling of
process waters and waters originating
from the City water system which have
been subjected to deterioration in
sanitary
·quality.
3 ..
c. Approved Backflow Prevention Assemblies
shall be installed on Service Connections
to any Premises having: {a) internal
Cross Connections that cannot be
permanently corrected and controlled to
the satisfaction of the State or local
health department and the City; or {b)
intricate plumbing and piping
arrangements or Premises construction
such that entry to all portions of the
Premises are not readily accessible for
inspection purposes, making it
impracticable or impossible to ascertain
whether or not Cross Connections exist.
Type of Protection Required
a. The type of protection that shall be
provided to prevent Backflow into the
Approved Water Supply shall be
commensurate with the degree of hazard
that exists on the consumer's Premises.
The type of protective assembly that may
be required {listed in an increasing
level of protection) includes: Double
Check Valve Assembly {DC), Reduced
Pressure Principle Approved Backflow
Prevention Assembly {RP), and an Air-Gap
Separation
{AG). The Water User may choose a higher
level of protection than required by the
City. The minimum types of Backflow
protection required to protect the
Approved Water Supply at the user's
water connection to Premises with
varying degrees of hazard are given in
Table 1. Situations which are not covered
in Table 1 shall be evaluated on a case-
261/062266--0191/2150735.3 a04/25/97 -6-
by-case basis and the
261/062266-0191121S073S.3 n.5191 -7-
Ordinance No. 1210 Page ,six •
appropriate Backflow protection· shall be
determined by the City or Health Agency.
TABLE 1
TYPE OF BACKFLOW PROTECTION REQUIRED
Degree of Hazard Minimum
Type of
Backflow
Prevention
( 1) Sewage and Hazardous Substances
(a) Premises where there are wastewater
pumping and/or treatment plants and
there is no interconnection with the
potable water system. This does not . AG
include a single family residence that
has a sewage lift pump. An RP may be
provided in lieu of an AG if approved
by the Health Agency and the City
Utilities Division.
(b)
(c)
Premises where hazardous substances
are handled in any manner in which
the substances may enter a potable
water system. This does not include AG
a single family residence that has a
sewage lift pump. An RP may be provided
in lieu of an AG if approved by the
Health Agency and the City Utilities
Division.
Premises where there are irrigation
systems into which fertilizers, RP
herbicides, or pesticides are, or can
be, injected.
(2) Auxiliary Water Supplies
(a) Premises where there is an unapproved
Auxiliary Supply which is interconnected
with the Public Water System. An RP or AG
DC may be provided· in lieu of an AG if
approved by the Health Agency and the City
Utilities Division.
(b) Premises where there is an unapproved
Auxiliary Supply and there are no
interconnections with the Public Water RP
System. A DC may be provided in lieu of
an RP if approved by the Health Agency
and City Utilities Division.
( 3) Recycled Water
(a) Premises where the public water system
is used to supplement the recycled water AG
supply.
(b) Premises where recycled water is used
and there is no interconnection with the RP
potable water system.
261/062266-019lntS073S.3 a04n.5/97 -8-
Ordinance No. 1210 Page seven
TABLE 1
TYPE OF BACKFLOW PROTECTION REQUIRED
(continued)
Degree of Hazard
(4) Fire Protection Systems
(a) Premises where the fire system is
directly supplied from the Public
Water System and there is an
unapproved Auxiliary Supply on
or to the Premises (not interconnected).
Minimum
Type of
Backflow
Prevention
DC
(b)
(c)
(d)
Premises where the fire system is
supplied from the Public Water System
and interconnected with an unapproved AG
Auxiliary Supply. An RP may be provided
in lieu of an AG if approved by the
Health Agency and City Utilities
Division.
Premises where the fire system is
supplied from the Public Water System
and where either elevated storage DC
tanks or fire pumps which take suction
from private reservoirs or tanks are
used. •
Buildings where the fire system is
supplied from the Public Water System
and where recycled water is used in a DC
separate piping system within the same
building.
(S) Dockside Watering Points and Marine Facilities
( a)
(b)
Pier hydrants for supplying water RP
to vessels for any purpose.
Premises where there are marine RP
facilities.
( 6)
( 7)
Premises where entry is restricted so that
inspections for Cross Connections cannot be
made with sufficient frequency or at RP
sufficiently short notice to assure that
Cross Connections do not exist.
Premises where there is a repeated history
of cross Connections being established or
re-established. RP
b. Two or more services supplying water from
different street mains to the same
building, structure, or Premises through
which an inter-street main flow may occur
shall have at least a standard check
valve on each water service to be located
adjacent to and on the property
·side of the
26l /062266-0191/2150735.3 a<M/25/97 -aOrdinance No. 1210 Page eight respective meters. such check valve
shall not be considered adequate if
Backflow protection is deemed necessary
to protect the City's mains from
pollution or Contamination; in such
cases the installation of Approved
Backflow Assemblies at such Service
Connections shall be required.
D. BACKFLOW PREVENTION ASSEMBLIES
1. Approved Backflow Prevention Assemblies
a. Only Approved Backflow Prevention
Assemblies which have been approved by
the city shall be acceptable for
installation by a Water User connected
to the City's potable water system.
b. The City will provide, upon request, to
any affected customer a list of Approved
Backflow Prevention Assemblies.
2. Approved Backflow Prevention Assembly
Installation
a. Approved Backflow Prevention Assemblies
shall be installed in the CCCMP a manner
prescribed in Section 7603, Title 17 of
the California Administrative Code. Location of the assemblies should be as close as practical to the user's
connection. The City shall have the
final authority in deter- mining the
required location of an Approved
Backflow Prevention Assembly.
(1) Air-Gap Separation (AG). The AirGap Separation shall be located on the user's side of and as close to
the Service Connection as is
practical. All piping from the
Service Connection to the receiving
tank shall be above grade and be
entirely visible. No water use
shall be provided from any point
between the Service Connection and
the Air-Gap Separation. The water
inlet piping shall terminate a
distance of at least two (2) pipes
diameters of the supply inlet, but
in_ no case less than one inch (1")
above the over- flow rim of the
receiving tank.
26I /062266-019 I/2150735.3 a04n.5/97 -9-
Ordinance No. 1210 Page c-nine•
(2) Reduced Pressure Principle Backflow
Prevention Assembly (RP). The
approved Reduced Pressure Principle
Backflow Prevention Assembly shall
be installed on the user's side of
and as close to the Service
Connection as is practical. The
assembly shall be installed a
minimum of twelve inches (12")
above grade and not more than
thirty-six inches (36"} above
grade measured from the bottom of
the assembly and with a minimum of
twelve inches (12"} side
clearance. The assembly shall be
installed so that it is readily
accessible for maintenance and testing. Water supplied from any point between the Service Connection and
the RP assembly shall be protected
in a manner approved by the City.
(3) Double Check Valve Assembly (DC).
The approved Double Check Valve
Assembly shall be located as close
as practical to the user's Service
Connection and shall be installed
above grade, if possible, and in a
manner where it is readily
accessible for testing and
maintenance. If a Double Check
Valve Assembly is put below grade
it must be installed in a vault
such that there is a minimum of
six inches (611} between the bottom
of the vault and the bottom of the
assembly so that the top of the
assembly is no more than a maximum
of eight inches (8") below grade,
so there is a minimum of twenty
four inches (24") of clearance
between the side of the assembly
with the test cocks and the side of
the vault, and so there is a
minimum of twelve inches (12")
clearance between the other side of
the assembly and the side of the
vault. Special consideration must
be given to Double Check Valve
Assembles of the "Y" type. These
assemblies must be installed ·on
their "side" with the tests cocks in
a vertical position so that either
check valve may be removed for
service without removing the
assembly. Vaults which do not
26I /062266-019 I/2150735.3 a04n.5/97 -9-
have an
261/06n66-0t91/2150735.3 a04125/97 -10-
Ordinance No..1210 Page.ten -
integrateg bottom must be placed on
a three inch (3") layer of gravel.
3. Approved Backflow Prevention Assembly Testing
and Maintenance
a. The owners of any Premises on which, or
on account of which, Approved Backflow
Prevention Assemblies are installed shall
have the assemblies tested by a Person
who has demonstrated their competency to
the City in testing these assemblies.
Approved Backflow Prevention Assemblies
must be tested at least annually and
immediately after installation,
relocation, or repair. The City may
require a more frequent testing schedule
if it is determined to be necessary. No
assembly shall be placed back in service
unless it is functioning. as required. A
report in a form acceptable to the City·
shall be filed with the City each time an
assembly is tested, relocated, or
repaired. These assemblies shall be
serviced, overhauled, or replaced
whenever they are found to be defective
and all costs of testing, repair, and
maintenance shall be borne by the Water
User.
b. The City will supply affected Water Users
with a list of Persons licensed to test
and certify Approved Backflow Prevention
Assemblies. The City will notify
affected customers by mail when annual
testing of an assembly is needed and also
supply users with the necessary forms
which must be filled out each time an
assembly is tested or repaired.
4. Approved Backflow Prevention Assembly Removal
a. Approval must be obtained from the City
before an Approved Backflow Prevention
Assembly is removed, relocated, or
replaced.
(1) Removal: The use of an assembly may
be discontinued and the assembly
removed from service upon
presentation of sufficient evidence
to the City to verify that a hazard
no longer exists or is not likely to
be created in the future;
261/062266-0191/215<Y735.3 a04n.5/97 -11-
' ·.-:y :f} t< ;:·:_. •.'·
Ordinance No. 1210 Page_eleven
(2)
(3)
Relocation: An assembly may be
relocated following confirmation by
the City that the relocation will
continue to provide the required
protection and satisfy installation
requirements. A retest will be
required following the relocation of
the assembly;
Repair: An assembly may be removed
for repair, provided the water use
is either discontinued until repair
is completed and the assembly is
returned to service, or the Service
Connection is equipped with other
Backflow Prevention Assembly
approved by the City. A retest will
be required following the repair of
the assembly; and
(4) Replacement: An assembly may be
removed and replaced provided the
water use is discontinued until the
replacement assembly is installed.
All replacement assemblies must be
approved. by the City and must be
commensurate with the degree of
hazard involved.
E.
F.
USER SUPERVISOR
At each Premises where it is necessary, in the
opinion of the City, a user supervisor shall be
designated by and at the expense of the water User.
This user supervisor shall be responsible for the
monitoring of the Approved Backflow Prevention
Assemblies and for avoidance of cross Connections.
In the event of Contamination or pollution of the
drinking water system due to a Cross Connection on
the Premises, the City shall be promptly notified
by the user supervisor so that appropriate measures
may be taken to overcome the contamination. The
Water User shall inform the City of the user supervisor's identity on, as a minimum, an annual basis and whenever a change occurs.
ADMINISTRATIVE PROCEDURES
1. Water system survey
a. The City shall review all requests for
new services to determine if Backflow
protection is needed. Plans and
specifications must be submitted to
the City
261/062266-0191/21S073S.3 a04/25/<J7 -12-
Ordinance No. 1210
b.
Page0 twel"ve
upon request for review of possible Cross
Connection hazards as a condition of
service for new Service Connections.
If it is determined that an Approved
Backflow Prevention Assembly is necessary
to protect the Public Water System, the
required assembly must be installed
before service will be granted.
The City may require an on-Premises
inspection to evaluate Cross Connection
hazards. The City will transmit a
written notice requesting an inspection
appointment to each affected Water User.
Any Water User who cannot or will not
allow an on-Premises inspection of his
piping system shall be required to
install the Approved Backflow Prevention
Assembly the. City considers· necessary.
c. The City may, at it's discretion, require
a reinspection for Cross Connection
hazards of any Premises to which it
serves water. The City will transmit a
written notice requesting an inspection
appointment to each affected Water User.
Any Water User who cannot or will not
allow an on-Premises inspection of his
piping system shall be required to
install the Approved Backflow Prevention
Assembly the City considers necessary.
2. Customer Notification - Assembly Installation
a. The City will notify the Water User of
the survey findings, listing the
corrective actions to be taken if any
are required. A period of sixty (60)
thirty (30) days will be given to
complete all corrective actions
required, including installation of
Approved Backflow Prevention
Assemblies.
b. A second notice will be sent to each
Water User who does not take the required
corrective actions prescribed in the
first notice within the sixty
(60)thirty (30) day period allowed.
The second notice will give the Water
User a two (2) week period to take the
required corrective action. If no
action is taken within the two (2) week
period, the City may terminate water
service to the affected Water User until
261/062266--0191n150735.3 a04n51'n -13-
Ordinance No. 1210 Page"thirteen
the required corrective actions are
taken.
3. customer Notification - Testing and Maintenance
a. The City will notify each affected Water
User when it is time for the Approved
Backflow Prevention Assembly installed on
their Service Connection to be tested.
This written notice shall give the Water
User thirty (30) days to have the
assembly tested. The City will supply
the Water User with the necessary form
to be completed and resubmitted to the
City.
b. A second notice shall be sent to each
Water User who does not have his/her
Approved Backflow Prevention Assembly
tested within the thirty (30) day period
as prescribed in the first notice. The
second notice will give the Water User a
two (2) week period to have his/her
Approved Backflow Prevention Assembly
tested. If no action is taken within the
two (2) week period, the City may
terminate water service to the affected
Water User until the subject assembly
is tested.
4. Administrative Fees
The City Council shall, by resolution, establish
such fees as are necessary to implement the city's
Backflow prevention program. Such fees may be
amended from time to time, by resolution, as the
City Council deems necessary. Any failure to
timely pay such fee as may be adopted or amended
from time to time shall result in the City
discontinuing water service to the premises until
such time as the delinquent fee, plus any assessed
penalty, has been received by the City.
G. WATER SERVICE TERMINATION
1. General
When the City encounters water uses that
represent a clear and immediate hazard to the
potable water supply that cannot be
immediately abated, the City shall.
institute the procedure for discontinuing
the City water service.
261/062266-0191/21S0735.3 a04/25/97 -14 -
Ordinance No. 1210 Page.fourteen
2. Basis For Termination
Conditions or water uses that create a basis
for water service termination shall include,
but are not limited to, the following items:
a. Refusal to install a required Approved
Backflow Prevention Assembly;
b. Refusal to test an Approved Backflow
Prevention Assembly;
c. Refusal to repair a faulty Approved
Backflow Prevention Assembly;
d. Refusal to replace a faulty Approved
Backflow Prevention Assembly;
e. Direct or indirect connection between the
Public Water System and a sewer line;
f. Unprotected direct or indirect connection
between the Public Water System and a
system or equipment containing
contaminants;
g. Unprotected direct or indirect connection
between the Public Water System and an
Auxiliary System; and
h. A situation which presents an immediate
health hazard to the Public Water System.
3. Water Service Termination Procedures
a. For conditions a, b, c, or d, the City
will terminate service to a customer's
premise after two (2) written. notices
have been sent specifying the corrective
action needed and the time period in
which it must be done. If no action is
taken within the allowed time period,
water service may be terminated.
b. For conditions e, f, g, or h, the City
will take the following steps:
(1) Make a reasonable effort to advise
the Water User of the City's intent
to terminate water service;
(2) Terminate water supply and lock
service valve. The water service
will remain inactive until correc
261/062266-019ln150735.3 aot/25/97 -15-
·- . ...
Ordinance No. 1210
' ,... - .-
:
:
:.. . ,
Page.fifteen
tion _of violations ha's been approved
• by ·. the City.
H. TESTER CERTIFICATION",:ANI'.r···ouALIFICATIONS
The following are minimum requirements:
a. Testers shall have had at least two (2) years
experience in plumbing or pipe fitting, or
equivalent qualifications.
b. Testers shall hold a valid certification from
AWWA the Orange County Health Care Agency,
Environ- mental Health Division.
c. Each tester of Approved Backflow Prevention
Assemblies shall furnish evidence to show that
he or she has available the necessary tools
and equipment to. properly test such
assemblies. He or she shall be responsible
for the competency and accuracy of all tests
and reports prepared by him or her.
d. Testers shall _hold a current City of San
Clemente business license, Section 8-2, City
Municipal Code.
Section 2. If any section,· subsection, subdivision, paragraph, sentence, clause, or phrase of this Ordinance, or any part thereof, is for any reason held to be invalid, such decision shall not offset the validity of the remaining portions of this Ordinance or any part thereof. The Council hereby declares that it would have passed each section, subsection, subdivision, paragraph, sentence, clause, or phrase thereof, irrespective of the fact that any one or more sections, subsections, subdivisions, paragraphs, sentences, clauses, or phrases be declared invalid.
Section 3. This Ordinance shall take effect thirty (30) days from the date of its passage. Before the expiration of fifteen (15) days after its passage, this Ordinance shall be published in the Sun Post News, a newspaper of general circulation, printed and published in the City of San Clemente.
261/062266-0191nt sons.3 a04n.5/97 -16-
Ordinance No.• 1210 Page sixteen
APPROVED AND ADOPTED on this 2nd day of September.! 1998_0, by the city council of the City of San Clemente.
ATEST:
CIT e
San Clemente, California
STATE OF CALIFORNIA
COUNTY OF ORANGE
CITY OF SAN CLEMENTE
)
) ss.
)
I, MYRNA ERWAY, City Clerk of the City of San Clemente, California, hereby certify that Ordinance No. 1210 having been regularly introduced at the meeting of August 5, 1998 , was again introduced, the reading in full thereof unanimously waived, and duly passed and adopted at a regular meeting of the city council held on the 2nd day of September, 1998 , ;· and said Ordinance and adopted by the following stated vote to wit:
AYES:
NOES:
ABSENT:
AHLE, ANDERSON, APODACA, BERG, MAYOR DAHL
NONE
NONE
APPROVED AS TO FORM:
YOR of the City of
Clemente, California I
City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025
Appendix E
High Hazard Premises
City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025
APPENDIX E
HIGH HAZARD CROSS-CONNECTION CONTROL PREMISES
The list below identifies premises that require backflow protection provided by an air gap or a reduced pressure principle backflow prevention assembly, unless noted otherwise. The list below is not intended to be all-inclusive. A PWS, State Water Board, or local health agency may require an AG, RP, or both to protect a PWS from other hazards not listed below and identified in premises through the hazard assessment completed in CCCPH Chapter 3, section 3.2.1. A PWS may reduce or increase the minimum protection required for a previously hazard-assessed user premise following a hazard reassessment as described in CCCPH Chapter 3, section 3.2.1.
1. Sewage handling facilities
2. Wastewater lift stations and pumping stations
3. Wastewater treatment processes, handling, or pumping equipment that is interconnected to a piping system connected to a PWS (+)
4. Petroleum processing or storage plants
5. Radioactive material storage, processing plants or nuclear reactors
6. Mortuaries
7. Cemeteries
8. Sites with an auxiliary water supply interconnected with PWS (+)
9. Sites with an auxiliary water supply not interconnected with PWS
10. Premises with more than one connection to the PWS (++++)
11. Recycled water (++)(+++)
12. Recycled water interconnected to piping system that contains water received from a PWS (+)
13. Graywater systems, as defined in California Water Code Section 14876, that are interconnected to a piping system that is connected to a PWS
14. Medical facilities
15. Kidney dialysis facilities
16. Dental office with water-connected equipment
17. Veterinarian facilities
18. Chemical plants
19. Laboratories
20. Biotech facilities
21. Electronics manufacture
22. Dry cleaner facilities
23. Industrial or commercial laundry facilities
24. Metal-plating facilities
25. Business park with a single meter serving multiple businesses
26. Marine-port facilities
27. Car wash facilities
28. Mobile home park, RV park, or campgrounds with RV hookups City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025
29. Hotels/motels
30. Gas stations
31. Fire stations
32. Solid waste disposal facilities
33. Pet groomers
34. Agricultural premises
35. Hazard assessment access denied or restricted
36. Railroad maintenance facilities
37. Incarceration facilities (e.g., prisons)
38. Temporary connections to fire hydrants for miscellaneous uses, including construction
39. Private water distribution mains
40. Drinking water storage tank overflow connected to a sump or storm drain (+)
41. Airports
(+) Premise isolated by air gap only except as allowed through CCCPH Section 3.2.2(c) (++) Dual-plumbed use areas established per CCR Title 22, Section 60313 through 60316 where recycled water is used for individually owned residential unit. (+++) Residences using recycled water for landscape irrigation as part of an approved dual plumbed use area established pursuant to CCR Title 22, sections 60313 through 60316 shall use, at a minimum, a DC. If the water supplier is also the supplier of the recycled water, then the recycled water supplier may obtain approval of the local public water supplier or the State Water Board, to utilize an alternative backflow protection plan that includes an annual inspection of both the recycled water and potable water systems and an annual crossconnection test of the recycled water and potable water systems pursuant to subsection 60316(a) in lieu of any BPA.
(++++) All connections must receive at least the same level of protection excluding fire protection when connected to the PWS distribution system (e.g., if one connection requires an RP then all connections must have RPs installed).
City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ
City ŽĨ^ĂŶůĞŵĞŶƚĞDW– June 2025
Appendix F
Assessment Database
Zone No. Account No. Customer Name Service Address Service Type Service Size Meter Size Meter S/N Backflow Type Manufacturer Backflow Size Recommended
BPA
Assessment
Date CCCPS Name, No.
100 1234567 Jonathan Johnson 12365 W. Longstreet Name Commercial 1-inch 1-inch W-123456789 RP Febco 1-inch RP 12/12/2025 K. Kerr, No. 12345 100 1234568 Mary Smith 12366 W. Longstreet Name Industrial 1-inch 1-inch W-123456790 RP Febco 1-inch RP 12/13/2025 K. Kerr, No. 12346100 1234569 Bill Jones 12367 W. Longstreet Name Multi-Family 1-inch 1-inch W-123456791 RP Febco 1-inch RP 12/14/2025 K. Kerr, No. 12347100 1234571 Jose Martinez 12369 W. Longstreet Name Agricultural 1-inch 1-inch W-123456793 RP Watts 1-inch RP 12/16/2025 K. Kerr, No. 12349100 1234572 Adam Lin 12370 W. Longstreet Name Landscaping 1-inch 1-inch W-123456794 RP Watts 1-inch RP 12/17/2025 K. Kerr, No. 12350100 1234570 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348100 1234572 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348100 1234573 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348100 1234571 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348100 1234573 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348100 1234574 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348100 1234572 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348100 1234574 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348100 1234575 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348 Cross-Connection Assessment Tracking Sheet
Zone No. Account No. Customer Name Service Address Service Type Service Size Meter Size Meter S/N Backflow Type Manufacturer Backflow Size Recommended
BPA
Assessment
Date CCCPS Name, No.
200 1234567 Jonathan Johnson 12365 W. Longstreet Name Commercial 1-inch 1-inch W-123456789 RP Febco 1-inch RP 12/12/2025 K. Kerr, No. 12345 200 1234568 Mary Smith 12366 W. Longstreet Name Industrial 1-inch 1-inch W-123456790 RP Febco 1-inch RP 12/13/2025 K. Kerr, No. 12346200 1234569 Bill Jones 12367 W. Longstreet Name Multi-Family 1-inch 1-inch W-123456791 RP Febco 1-inch RP 12/14/2025 K. Kerr, No. 12347200 1234571 Jose Martinez 12369 W. Longstreet Name Agricultural 1-inch 1-inch W-123456793 RP Watts 1-inch RP 12/16/2025 K. Kerr, No. 12349200 1234572 Adam Lin 12370 W. Longstreet Name Landscaping 1-inch 1-inch W-123456794 RP Watts 1-inch RP 12/17/2025 K. Kerr, No. 12350200 1234570 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348 Cross-Connection Assessment Tracking Sheet
Zone No. Account No. Customer Name Service Address Service Type Service Size Meter Size Meter S/N Backflow Type Manufacturer Backflow Size Recommended
BPA
Assessment
Date CCCPS Name, No.
300 1234567 Jonathan Johnson 12365 W. Longstreet Name Commercial 1-inch 1-inch W-123456789 RP Febco 1-inch RP 12/12/2025 K. Kerr, No. 12345 300 1234568 Mary Smith 12366 W. Longstreet Name Industrial 1-inch 1-inch W-123456790 RP Febco 1-inch RP 12/13/2025 K. Kerr, No. 12346300 1234569 Bill Jones 12367 W. Longstreet Name Multi-Family 1-inch 1-inch W-123456791 RP Febco 1-inch RP 12/14/2025 K. Kerr, No. 12347300 1234571 Jose Martinez 12369 W. Longstreet Name Agricultural 1-inch 1-inch W-123456793 RP Watts 1-inch RP 12/16/2025 K. Kerr, No. 12349300 1234572 Adam Lin 12370 W. Longstreet Name Landscaping 1-inch 1-inch W-123456794 RP Watts 1-inch RP 12/17/2025 K. Kerr, No. 12350300 1234570 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348300 1234572 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348300 1234573 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348300 1234571 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348300 1234573 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348300 1234574 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348300 1234572 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348300 1234574 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348300 1234575 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348300 1234573 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348300 1234575 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348 Cross-Connection Assessment Tracking Sheet
Zone No. Account No. Customer Name Service Address Service Type Service Size Meter Size Meter S/N Backflow Type Manufacturer Backflow Size Recommended
BPA
Assessment
Date CCCPS Name, No.
400 1234567 Jonathan Johnson 12365 W. Longstreet Name Commercial 1-inch 1-inch W-123456789 RP Febco 1-inch RP 12/12/2025 K. Kerr, No. 12345 400 1234568 Mary Smith 12366 W. Longstreet Name Industrial 1-inch 1-inch W-123456790 RP Febco 1-inch RP 12/13/2025 K. Kerr, No. 12346400 1234569 Bill Jones 12367 W. Longstreet Name Multi-Family 1-inch 1-inch W-123456791 RP Febco 1-inch RP 12/14/2025 K. Kerr, No. 12347400 1234571 Jose Martinez 12369 W. Longstreet Name Agricultural 1-inch 1-inch W-123456793 RP Watts 1-inch RP 12/16/2025 K. Kerr, No. 12349400 1234572 Adam Lin 12370 W. Longstreet Name Landscaping 1-inch 1-inch W-123456794 RP Watts 1-inch RP 12/17/2025 K. Kerr, No. 12350400 1234570 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348400 1234572 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348400 1234573 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348400 1234571 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348400 1234573 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348400 1234574 Fred Brown 12368 W. Longstreet Name Residential 1-inch 1-inch W-123456792 None None 12/15/2025 K. Kerr, No. 12348 Cross-Connection Assessment Tracking Sheet
City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ
City ŽĨ^ĂŶůĞŵĞŶƚĞDW– June 2025
Appendix G
Self-Report Letter
(Commercial/Industrial Assessments)
On your property do any of the following exist:
Dental and/or medical equipment using water Laundry facilities Pumps or motors connected to water or sewer piping Multiple tenant suites Chemicals in quantities greater than 5 gallons or 5 lbs. Graywater system(s) Water storage tanks, ponds, water treatment systems,
sewage treatment, sewage storage, and/or wells
Petroleum, chemical or radioactive materials processing or storage Type of Business
Veterinary Manufacturing
Pet grooming Food Processing
Medical/Dental Restaurant
Office/Warehouse Aerospace
Hotel/Motel Retail
Other (explain below):
Site Contact
Contact Name:
Business Name:
Phone No.
Email:
Signature
Print Name:
Title:
Date:
Degree of Hazard Meter protection appropriate for Degree of Hazard Internal Protection and Referral to OC Health High Yes Yes
Low No No
No Hazard
Cross-Connection Control Specialist Reviewer:
Cross-Connection Control Program Specialist Certification No. Expiration Date:
Review Date:
Commercial/Industrial Onsite Use Questionnaire
To help prevent backflow incidents please answer the questions below.
FOR WATER PURVEYOR USE ONLY
If yes, what chemicals are present:
If yes, please describe:
I am uncertain of the hazards on site and request an inspection.
I certify that the above information is true and correct to the best of my knowledge.
On December 19, 2023, the State Water Resources Control Board adopted the Cross-Connection Policy Handbook which became effective on July 1, 2024. This new legislation requires each public water system to conduct initial and ongoing inspections of potentially high hazard facilities to determine the level of hazard within your facility. The City is asking that each customer of a commercial/industrial site complete the survey below and return the completed survey form to: Kevin Kerr, Regulatory Compliance Analyst at 380 Ave Pico, San Clemente, CA 92672; Email: [email protected]; Phone: (949) 886-5589 City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ
City ŽĨ^ĂŶůĞŵĞŶƚĞDW– June 2025
Appendix H
Backflow Prevention Assembly Diagrams
City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City ŽĨ^ĂŶůĞŵĞŶƚĞDW– June 2025
Diagram 1
Double check detector ďĂĐŬŇŽǁ ƉƌĞǀĞŶƟŽŶ assembly
City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City ŽĨ^ĂŶůĞŵĞŶƚĞDW– June 2025
Diagram 2
Double check detector ďĂĐŬŇŽǁ ƉƌĞǀĞŶƟŽŶ assembly – type II City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City ŽĨ^ĂŶůĞŵĞŶƚĞDW– June 2025
Diagram 3
Double check valve ďĂĐŬŇŽǁ ƉƌĞǀĞŶƟŽŶ assembly
City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City ŽĨ^ĂŶůĞŵĞŶƚĞDW– June 2025
Diagram 4
Pressure vacuum breaker backsiphonage ƉƌĞǀĞŶƟŽŶ assembly City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City ŽĨ^ĂŶůĞŵĞŶƚĞDW– June 2025
Diagram 5
Reduced pressure principle ďĂĐŬŇŽǁ ƉƌĞǀĞŶƟŽŶ assembly
City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City ŽĨ^ĂŶůĞŵĞŶƚĞDW– June 2025
Diagram 6
Reduced pressure principle detector ďĂĐŬŇŽǁ ƉƌĞǀĞŶƟŽŶ assembly City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City ŽĨ^ĂŶůĞŵĞŶƚĞDW– June 2025
Diagram 7
Reduced pressure principle detector ďĂĐŬŇŽǁ ƉƌĞǀĞŶƟŽŶ assembly – Type II City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City ŽĨ^ĂŶůĞŵĞŶƚĞDW– June 2025
Diagram 8
Spill-resistant pressure vacuum breaker backsiphonage ƉƌĞǀĞŶƟŽŶ assembly City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ
City ŽĨ^ĂŶůĞŵĞŶƚĞDW– June 2025
Swivel-Ell Design and ŽŶƐƚƌƵĐƟŽŶ Criteria
The criteria below, in conjunction with the swivel-ell diagrams that follow (Diagrams A and B), are minimum acceptable design and construction-related requirements for utilizing a swivelell. For restrictions and allowances for utilizing a swivel-ell, see CCCPH section 3.2.2.
A. Prior to operation of a swivel-ell, the PWS will receive approval for the design and construction plans of that swivel-ell from the State Water Board.
B. The drinking water supply must not, under any circumstances, be directly connected to the recycled water supply, nor be designed such that the recycled water use site could be supplied concurrently by a recycled water supply and a drinking water supply.
C. The drinking water supply line and the recycled water supply line must be offset (see Diagram 9b) in a manner that ensures a tee-connection, spool, or other prefabricated mechanical appurtenance(s) could not be readily utilized in lieu of the swivel-ell connection, nor result in the recycled water use site being supplied concurrently by recycled water and drinking water.
D. The recycled water supply line used in conjunction with the swivel-ell must be the only recycled water supply to the recycled water use area.
E. The swivel-ell must be located as close as practical to the public water system service connection, with the swivel-ell connection being located as close as practical to the RP upstream of the swivel-ell.
F. The swivel-ell must:
1. be located above ground;
2. be color-coded pursuant to section 116815 of the CHSC and its implementing regulations;
3. include appropriate signage, as required by regulation and the State Water Board;
4. be provided the security necessary to prevent interconnections, vandalism, unauthorized entry, etc.; and
5. be provided with meters on both the recycled water service and drinking water service connections.
City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ
City ŽĨ^ĂŶůĞŵĞŶƚĞDW– June 2025
Legend for Diagram 9a and 9b (also see next page)
ZW= ZĞĚƵĐĞĚ pressure principle ďĂĐŬŇŽǁ ƉƌĞǀĞŶƟŽŶ assembly ZtсdĞƌƟĂƌLJ-ƚƌĞĂƚĞĚ ƌĞĐLJĐůĞĚ ǁĂƚĞƌ ŽƌŝŐŝŶĂƟŶŐ from ǁĂƐƚĞǁĂƚĞƌ treatment facility tсƌŝŶŬŝŶŐǁĂƚĞƌŽƌŝŐŝŶĂƟŶŐĨƌŽŵĂƉƵďůŝĐǁĂƚĞƌƐLJƐƚĞŵ W = Water ;ƚĞƌƟĂƌLJ ƌĞĐLJĐůĞĚ ǁĂƚĞƌ or ĚƌŝŶŬŝŶŐ ǁĂƚĞƌͿ to use site. As ƉŝĐƚƵƌĞĚ͕ ĐŽŶĮŐƵƌĞĚĨŽƌƐƵƉƉůĞŵĞŶƚĂůĚƌŝŶŬŝŶŐǁĂƚĞƌƚŽƚŚĞƵƐĞƐŝƚĞ͘ Dс DĞƚĞƌ ;next page)
W
= WůĂŝŶ
ŶĚ ;next page)
GRV = 'ƌŽŽǀĞ;next page)
Wt^ = WƵďůŝĐ Water System ;next page)
Diagram A: Example Swivel-Ell Pictorial (also see Plan View Schematics) Note: The RP, a required component of an acceptable swivel-ell, is not shown in the picture.
City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City ŽĨ^ĂŶůĞŵĞŶƚĞDW– June 2025
Diagram B
Swivel-Ell Typical Plan View ^ĐŚĞŵĂƟĐƐ
;ŶŽƚ ŝŶƚĞŶĚĞĚ to be an ĞdžĂĐƚ portrayal of the pictorial) City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ
City of San Clemente DW– June 2025
Appendix I
City Records Retention Schedule
City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025
Appendix J
Cross-Connection Incident Response Form
City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025
City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025
Appendix K
Standard Specifications
and/or Standard Drawings
City of San Clemente ƌŽƐƐŽŶŶĞĐƟŽŶŽŶƚƌŽůDĂŶĂŐĞŵĞŶƚWůĂŶ;DWͿ City of San Clemente DW– June 2025
City of San Clemente
Standard Specifications
and/or Standard Drawings can be viewed at:
https://pacificpipeline.com/wp-content/uploads/2015/05/SANCLEMENTE-WATER-DRAWINGS.pdf