City of Napa Water System 30-Year Capital Improvement Master Plan

Summary

SCH Number
2026060326
Lead Agency
City of Napa
Document Title
City of Napa Water System 30-Year Capital Improvement Master Plan
Document Type
NOP - Notice of Preparation of a Draft EIR
Received
Present Land Use
City-wide and beyond, primarily Public/Institutional/Government
Document Description
The City of Napa WMP is a comprehensive 30-year roadmap for maintaining and enhancing the City' s water system infrastructure and includes the following improvements over the near-term (2026 through 2030 by year), mid-term (2031 through 2035 by year), and long-term (2036 through 2055 as a single group): Watershed - Supply Source, Water Quality - Treatment, Water Transmission (Storage Tanks, Pump Stations, Transmission Mains) and Water Distribution (Distribution Mains and Meters). The WMP addresses redundancy and reliability, not demands from projected growth.

Contact Information

Name
Doug DeMaster
Agency Name
City of Napa Utilities Department
Job Title
Senior Civil Engineer
Contact Types
Lead/Public Agency / Project Applicant

Name
James Alcorn
Agency Name
ICF
Job Title
Senior Environmental Planner/Project Manager
Contact Types
Consulting Firm

Location

Cities
Napa
Counties
Napa
Regions
Citywide, Countywide
Cross Streets
See Figure 1-3 in the IS which shows location and cross streets.
Zip
94559
Total Acres
60 square miles
Parcel #
See Figure 1-1 in the Initial Study which shows the boundaries of the project area.
State Highways
SR 29, SR 121, and SR 221
Railways
Napa Valley Wine Train
Airports
Napa County Airport
Schools
NVUSD
Waterways
Napa River, Conn Creek & Lake Hennessey, Milliken Creek & Reservoir
Other Location Info
As the project encompasses the entire city of Napa along with areas within the city’s Sphere of Influence, the number of cross streets and parcel numbers is too numerous to list here; therefore, we refer to Figure 1-1 and Figure 1-3 in the Initial Study to show the extent of the project area as well as the cross streets.

Notice of Completion

State Review Period Start
State Review Period End
State Reviewing Agencies
California Air Resources Board (ARB), California Department of Conservation (DOC), California Department of Forestry and Fire Protection (CAL FIRE), California Department of Parks and Recreation, California Department of Resources Recycling and Recovery, California Department of Toxic Substances Control (DTSC), California Department of Transportation, District 4 (DOT), California Department of Transportation, Division of Aeronautics (DOT), California Department of Transportation, Division of Transportation Planning (DOT), California Department of Water Resources (DWR), California Fish and Game Commission (CDFGC), California Governor's Office of Emergency Services (OES), California Highway Patrol (CHP), California Natural Resources Agency, California Public Utilities Commission (CPUC), California Regional Water Quality Control Board, San Francisco Bay Region 2 (RWQCB), California State Coastal Conservancy (SCC), California State Lands Commission (SLC), Delta Stewardship Council, Department of Food and Agriculture (CDFA), Office of Historic Preservation, San Francisco Bay Conservation and Development Commission (BCDC), State Water Resources Control Board, Division of Drinking Water, State Water Resources Control Board, Division of Drinking Water, District 25 (SWRCB), State Water Resources Control Board, Division of Water Quality, State Water Resources Control Board, Division of Water Rights, State Water Resources Control Board, Divison of Financial Assistance, California Native American Heritage Commission (NAHC), California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW)
State Reviewing Agency Comments
California Native American Heritage Commission (NAHC), California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW)
Development Types
Other (Water system upgrades and improvements)
Local Actions
City Council approval
Project Issues
Aesthetics, Agriculture and Forestry Resources, Air Quality, Biological Resources, Cultural Resources, Cumulative Effects, Drainage/Absorption, Flood Plain/Flooding, Geology/Soils, Growth Inducement, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Mineral Resources, Noise, Population/Housing, Public Services, Recreation, Schools/Universities, Septic System, Sewer Capacity, Solid Waste, Transportation, Tribal Cultural Resources, Vegetation, Wetland/Riparian, Wildfire
Public Review Period Start
Public Review Period End

Attachments

Draft Environmental Document [Draft IS, NOI_NOA_Public notices, OPR Summary Form, Appx,]
Notice of Completion [NOC] Transmittal form
State Comment Letters [Comments from State Reviewing Agency(ies)]

Disclaimer: The Governor’s Office of Land Use and Climate Innovation (LCI) accepts no responsibility for the content or accessibility of these documents. To obtain an attachment in a different format, please contact the lead agency at the contact information listed above. For more information, please visit LCI’s Accessibility Site.

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