Sanitary Sewer
Master Plan
Sewer Master Plan Update Presentation
Eng i ne e ring & B ui ld i ng
visalia.gov
T A B L E O F C O N T E N T S
1 Purpose
Sewer Master Plan Overview
Nexus Study Sneak Peak
Next Steps
2 3
4 5
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E N G I N E E R I N G & B U I L D I N G
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Purpose of the Sewer Master Plan Update
Update sewer collection system hydraulic model
Model sewer system growth per 2030 General Plan land uses Assess capacity of the sewer collection system
Identify needed upgrades and expansions to support growth per 2030 General Plan
Provide direction for incoming development
Provide capital improvement costs for the update of the Wastewater Trunkline Developer Impact Fee
3 E N G I N E E R I N G & B U I L D I N G
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O V E R V I E W
Sewer Master Plan Update
• Planning area assumptions and design criteria were carried over from 1994 adopted and 2005 draft Sewer Master Plans • Most master-planned trunks had only minor changes in size or alignment
NEW
Southwest
Quadrant
Reserve Area
Sewer Trunks
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Assumed 70%
Residential, 20%
Commercial,
and 10% Open
Space
Assumed not to
develop/connect to
sewer
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Planning-Area Trunklines
• Trunk lines outside the 2030
General Plan growth boundaries
are included for planning
purposes only
6 E N G I N E E R I N G & B U I L D I N G
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Southwest Quadrant Reserve
Area Sewer Trunks –
Long-Term Projects
• WWGM-15: Visalia Parkway
Extension
• ~ 16,500 LF of 30-inch sewer
trunk from Akers & Visalia Pkwy to
near the treatment plant
• ~500 LF of steel casing to cross
railroad and Hwy 99
• WWGM-14: South Shirk Main
• ~1,400 LF of 15-inch sewer from
Wagner to Walnut
• ~3,600 LF 12-inch sewer from
Caldwell to Wagner
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Nexus Study Sneak Peak
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Capital Improvement Project Phases
$18M Phase 1: 2026-2030
• City-Identified Projects
$16M Phase 2: 2031-2035
• Buildout of UGB Tiers 1 & 2
$26M Phase 3: 2036-2040
• UGB Tier 3 Projects
$24M Phase 4: 2041-2045
• Buildout of UGB Tier 3 & SOI
$144M Phase 5: 2046 & Beyond
• Not included in Nexus Scope
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Next Steps
Sewer Master Plan
Report will be available
on the City Website
Return to Council 12/2
for master plan approval
and adoption
Resume Sewer Nexus
Study work
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Next Steps – Timeline
12 Adopted
Sewer DIFs
Nexus Study
SSMP
Adoption
by Council
Nexus
Adoption
by Council
Work Session
Presentation
of SSMP
PRESENT
~30 Days
SSMP Available
for Public Review
Record Notice
of Exemption
<5 Days
~6 Months
~Summer 2026
Impact Fee
Development
Stakeholder
Meetings
Final Nexus
Report
Thank you
for your time.
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