T
ABLE COMPARING EXISTING TO NEW CHAPTER 12.60
Exis�ng Chapter 12.60 New Chapter 12.60 Comment
12.60.010. Purpose and intent 12.60.010. Purpose and intent Updated to reflect current permit informa�on
12.60.020. Scope and limits of
chapter
12.60.020. Scope and limits of
chapter
No changes
12.60.030. Administra�on 12.60.030. Administra�on Minor revision
12.60.040. Defini�ons 12.60.040. Defini�ons Substan�ally reorganized – …. (d) “Base course” Added
…. (m) “Diligently pursuing” – Deleted
…. (t) “Hydromodifica�on
…. management (HM)”
…. (s) “Hydromodifica�on
…. management (HM)”
Minor revision
…. (cc) “Micro-deten�on” – Deleted
…. (hh) “NPDES stormwater
…. permit”
…. (n)(3) “NPDES stormwater
…. permit”
Updated references/dates
…. (ii) “Permeable surfaces” …. (p)(1) “Permeable surfaces” Minor revision …. (kk) “Regulated projects” …. (r)(3) “Regulated projects” Redefined impervious surface thresholds: 5,000 s.f. for
redevelopment and road
projects; 10,000 s.f. for
detached single-family home
projects; including
reconstruc�on of right-of-way
or street frontage that are
constructed or reconstructed as
part of the development.
–
…. (s)(1) "Self-retaining"
…. (s)(2) “Self-trea�ng”
…. (s)(3) “Special project”
Added defini�ons
…. (mm) “Special land use
…. categories”
– Deleted
…. (nn) “Storm drain system” …. (s)(4) “Storm drain system” Deleted BMP defini�ons
12.60.050. Ul�mate
responsibility of discharger.
2.60.050. Ul�mate
responsibility of discharger.
No changes
12.60.060. Fees 12.60.060. Fees No changes
12.60.070. Discharge
prohibi�ons
12.60.070. Discharge
prohibi�ons
Revisions to condi�onally
exempted discharges: Delete
discharges of potable water and
water line and hydrant flushing,
including firefigh�ng water and
foam
12.60.075. Wastewater
discharges containing copper or
copper-based chemicals
12.60.080. Wastewater
discharges containing copper or
copper-based chemicals
No changes
12.60.080. Prohibi�on of illegal
connec�on.
12.60.090. Prohibi�on of illegal
connec�on.
No changes
Attachment 3
Exis�ng Chapter 12.60 New Chapter 12.60 Comment
12.60.090. False statements. 12.60.100. False statements. No changes
12.60.100. Compliance with
NPDES stormwater permit.
12.60.110. Compliance with
NPDES stormwater permit.
No changes
12.60.110. Stormwater
pollu�on reduc�on.
12.60.120. Stormwater
pollu�on reduc�on.
No changes
12.60.120. Stormwater
treatment requirements—
Applicability.
12.60.130. Stormwater
treatment requirements—
Applicability.
Adds large single family homes
as defined in 12.60.140; delete
special land use categories
12.60.121. Development and
redevelopment projects—
Regulated projects.
12.60.140. Development and
redevelopment projects—
Regulated projects.
Reduces threshold for most
project types to 5,000 or more
s.f. impervious area; adds
sidewalks and right-of-way;
adds detached single family
homes that create 10,000 or
more s.f. impervious surface;
adds pavement maintenance if
impervious area is increased;
adds specific exclusions.
12.60.122. Special land use
categories— Regulated projects.
– Deleted
12.60.123. Road Projects—
Regulated projects.
12.60.150. New or widening
road projects— Regulated
projects.
Adds addi�on of traffic lanes
that alters more than 50% of
the exis�ng street or road;
amends exclusion for
impervious trails; deletes
obsolete exclusions.
– 12.60.160. Road construc�on—
Regulated projects.
New sec�on.
– 12.60.170. Special Projects—
Regulated Project which may
qualify for use of non-LID
treatment measures
New sec�on.
12.60.124. Required site design
measures for small projects and
single-family homes.
12.60.180. Required site design
measures for small projects and
smaller single-family home.
Amends defini�ons of “smaller”
projects: create/replace at least
2,500 s.f. impervious surface,
but less than 10,000 s.f. for a
detached s.f. home or less than
5,000 s.f. for other projects.
12.60.125. Site design measures
for nonregulated project.
12.60.190. Site design measures
for nonregulated project.
No changes
12.60.130. Trash load
reduc�ons to storm drain
collec�on system.
12.60.200. Trash load
reduc�ons to storm drain
collec�on system.
No changes
12.60.140. Stormwater
management plan required.
12.60.210. Stormwater
management plan required.
Minor revision
Attachment 3
Exis�ng Chapter 12.60 New Chapter 12.60 Comment
12.60.150. Numeric sizing
criteria for treatment systems.
12.60.220. Numeric sizing
criteria for treatment systems.
No changes
12.60.155. Low impact
development (LID)
requirements.
12.60.230. Low impact
development (LID)
requirements.
Amends regula�ons stormwater
harves�ng and re-use,
infiltra�on, evapotranspira�on,
or biotreatment; deletes
obsolete exclusions.
12.60.160. Hydromodifica�on
management (HM)
requirements— Applicability.
12.60.240. Hydromodifica�on
management (HM)
requirements— Applicability.
No changes
12.60.170. Design standards
concerning flooding.
12.60.250. Design standards
concerning flooding.
No changes
12.60.180. Alterna�ve
cer�fica�on of adherence to
numeric sizing criteria for
stormwater treatment systems.
12.60.260. Alterna�ve
cer�fica�on of adherence to
numeric sizing criteria for
stormwater treatment systems.
Minor revision
12.60.190. Infiltra�on treatment
measures.
12.60.270. Infiltra�on treatment
measures.
Minor revision
12.60.200. Agreement to
maintain best management
prac�ces.
12.60.280. Agreement to
maintain best management
prac�ces.
No changes
12.60.210. Submission of
revised stormwater
management plan.
12.60.290. Submission of
revised stormwater
management plan.
Minor revision
12.60.220. Best management
prac�ces and CASQA
Stormwater Best Management
Prac�ce Handbook
incorporated.
12.60.300. Best management
prac�ces and CASQA
Stormwater Best Management
Prac�ce Handbook
incorporated.
No changes
12.60.230. Minimum best
management prac�ces and
source control measures for all
dischargers.
12.60.310. Minimum best
management prac�ces and
source control measures for all
dischargers.
Adds reference to Stormwater
BMP Guidance Manual.
12.60.240. Authority to inspect. 12.60.320. Authority to inspect. Minor revision
12.60.250. Requirement to
remediate.
12.60.330. Requirement to
remediate.
No changes
12.60.260. Failure to properly
operate and maintain
stormwater treatment and
hydromodifica�on management
facili�es.
12.60.340. Failure to properly
operate and maintain
stormwater treatment and
hydromodifica�on management
facili�es.
No changes
12.60.300. Alterna�ve
compliance.
12.60.350. Alterna�ve
compliance.
No changes
12.60.305. Public nuisance. 12.60.360. Public nuisance. No changes
12.60.310. Manner of
no�fica�on of a viola�on.
12.60.370. Manner of
no�fica�on of a viola�on.
No changes
Attachment 3
Exis�ng Chapter 12.60 New Chapter 12.60 Comment
12.60.315. Administra�ve
process and civil penal�es.
12.60.380. Administra�ve
process and civil penal�es.
No changes
12.60.320. Administra�ve
hearing and appeals process.
12.60.390. Administra�ve
hearing and appeals process.
No changes
12.60.330. Emergency
correc�ons.
12.60.400. Emergency
correc�ons.
No changes
12.60.350. Judicial civil
penal�es.
12.60.410. Judicial civil
penal�es.
No changes
12.60.360. Remedies
cumula�ve.
12.60.420. Remedies
cumula�ve.
No changes
Attachment 3