Atascadero Mutual Water Company Water Treatment Plant Project
Summary
SCH Number
2025111111
Lead Agency
City of Atascadero
Document Title
Atascadero Mutual Water Company Water Treatment Plant Project
Document Type
MND - Mitigated Negative Declaration
Received
Present Land Use
Land Use: Industrial and Open Space, Zoning: Industrial, Industrial Park, and Open Space
Document Description
The proposed Atascadero Mutual Water Company (AMWC) Water Treatment Plant (WTP) project involves construction of a facility to treat for per- and polyfluoroalkyl substances detected within the AMWC production wells located adjacent to the Salinas River between State Route 41 and Chico Road. The WTP would be located within a portion of AMWC’s existing Corporation Yard at the northwest corner of the overpass of State Route 41 over Sycamore Road. Several components of the WTP would be located under metal canopies, the treatment vessels would be located in the open air, and the Operations Center would be enclosed in a prefabricated metal building that would be about 20 feet in height and approximately 3,800 square feet in size. Chemical storage facilities would be located under a metal canopy with covered chain-link fencing surrounding the chemical containment areas. The project includes installation of new outdoor lighting, including downward-facing pole-mounted lights and chain-mounted LED lights under canopies (shielded by quarter-height panels). Native landscape plants would be placed along the Sycamore Road frontage. Due to existing geotechnical conditions at the project site, ground improvements including over-excavation of materials, rapid impact compaction, and reconstruction of the over-excavation materials into a structural backfill would be conducted in certain areas to densify the ground beneath the project site and improve the soil conditions to be suitable for the proposed project. The proposed project would not result in increased groundwater extraction from AMWC’s production wells beyond baseline conditions.
Contact Information
Name
Kelly Gleason
Agency Name
City of Atascadero
Job Title
Planning Manager
Contact Types
Lead/Public Agency
Phone
Email
Name
John Neil
Agency Name
Atascadero Mutual Water Company
Job Title
General Manager
Contact Types
Project Applicant
Phone
Email
Name
Ethan Knox
Agency Name
Rincon Consultants, Inc.
Job Title
Environmental Planner
Contact Types
Consulting Firm
Phone
Location
Coordinates
Cities
Atascadero
Counties
San Luis Obispo
Regions
Citywide
Cross Streets
S.R. 41 at Sycamore Road
Zip
93422
Total Acres
4.5
Parcel #
028-111-008, 028-111-006
State Highways
S.R. 41, US-101
Railways
Southern Pacific Railroad
Airports
N/A
Schools
,Atascadero Middle School ,Atascadero High School
Waterways
Salinas River, Atascadero Creek
Other Location Info
Schools Cont, • Atascadero Middle School • Atascadero High School • North County Christian School • Atascadero Fine Arts Academy • Shepherd Christian Preschool • Monterey Road Elementary School • Children’s House Montessori School • Del Rio Continuation High School • West Mall Alternative School • San Benito Elementary School • The Learning Tree Preschool Center • Playtime Discoveries • Little Wings of Atascadero • Little Ark Preschool
Notice of Completion
State Review Period Start
State Review Period End
State Reviewing Agencies
California Air Resources Board (ARB), California Department of Fish and Wildlife, Central Region 4 (CDFW), California Department of Forestry and Fire Protection (CAL FIRE), California Department of Parks and Recreation, California Department of Toxic Substances Control (DTSC), California Department of Transportation, District 5 (DOT), California Department of Water Resources (DWR), California Highway Patrol (CHP), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Public Utilities Commission (CPUC), California Regional Water Quality Control Board, Central Coast Region 3 (RWQCB), California State Lands Commission (SLC), Office of Historic Preservation, State Water Resources Control Board, Division of Drinking Water, State Water Resources Control Board, Division of Drinking Water, District 6, 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
Development Types
Water Facilities (Water treatment plant)(Type Water treatment, MGD 8.1)
Local Actions
Project approval
Project Issues
Aesthetics, Agriculture and Forestry Resources, Air Quality, Biological Resources, Cultural Resources, Cumulative Effects, Drainage/Absorption, Energy, Flood Plain/Flooding, Geology/Soils, Greenhouse Gas Emissions, Growth Inducement, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Mandatory Findings of Significance, Mineral Resources, Noise, Population/Housing, Public Services, Recreation, Schools/Universities, Septic System, Sewer Capacity, Solid Waste, Transportation, Tribal Cultural Resources, Utilities/Service Systems, 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
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