Sewer Collection System and Wastewater Treatment Plant Improvements Project

2 Documents in Project


SCH Number
Lead Agency
City of Colfax
Document Title
Sewer Collection System and Wastewater Treatment Plant Improvements Project
Document Type
MND - Mitigated Negative Declaration
Present Land Use
Sewer lines: Multiple; VVWTP: Special Public Services District

Document Description
The project consists of three components: (1) construct a 1 MW solar facility to offset energy consumption costs at the WWTP, (2) install a new aeration flotation system that would reduce algae contamination at the WWTP, and (3) upgrade up to 4 miles of existing sewer pipelines, manholes and services within the City limits.

Contact Information
Wes Heathcock
City of Colfax
Lead/Public Agency
PO Box 702
Colfax, CA 95713

Phone : (530) 346-2313


39°5'38"N 120°57'12"W
Cross Streets
Project includes sewer pipelines throughout the City and the City's WJ\/TP on Grand View Drive
Parcel #
Multiple for sewer; WNTP: 101-161-059-000
State Highways
Colfax Elem; Colfax High
American River (North Fork); Bear River; Campbell Creek, Smuthers Ravine

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (Sewer line upgrades; WWTP improvement, solar)
Local Action
Utility improvements, solar
Project Issues
Aesthetics Air Quality Biological Resources Cultural Resources Drainage/Absorption Flood Plain/Flooding Geology/Soils Hazards & Hazardous Materials Hydrology/Water Quality Mineral Resources Noise Public Services Sewer Capacity Solid Waste Wetland/Riparian Wildfire
Reviewing Agencies
California Air Resources Board (ARB) California Department of Conservation (DOC) California Department of Fish and Wildlife, North Central Region 2 (CDFW) California Department of Forestry and Fire Protection (CAL FIRE) California Department of Parks and Recreation California Department of Transportation, District 3 (DOT) California Department of Water Resources (DWR) California Energy Commission California Highway Patrol (CHP) California Natural Resources Agency California Public Utilities Commission (CPUC) California State Lands Commission (SLC) Central Valley Flood Protection Board Department of Toxic Substances Control Office of Historic Preservation State Water Resources Control Board, Division of Drinking Water State Water Resources Control Board, Division of Water Quality State Water Resources Control Board, Division of Water Rights California Native American Heritage Commission (NAHC) California Regional Water Quality Control Board, Central Valley Sacramento Region 5 (RWQCB)


Environmental Document
Colfax Sewer WWTP DIS MND Aug 2020   PDF 25649 K Summary Form   PDF 128 K
NOC   PDF 1252 K
State Comments
2020089014_NAHC Comment   PDF 353 K 2020089014_RWQCB Comment   PDF 278 K

Disclaimer: The Governor’s Office of Planning and Research (OPR) 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. You may also contact the OPR via email at or via phone at (916) 445-0613. For more information, please visit OPR’s Accessibility Site.

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