Wastewater Treatment Plant Upgrade

5 Documents in Project


SCH Number
Lead Agency
Graton Community Services District
Document Title
Wastewater Treatment Plant Upgrade
Document Type
MND - Mitigated Negative Declaration
Present Land Use
DA B6 20, PF combining districts: BR, F2

Document Description
Note: Extended Review Note: Addendum SCH #2008102048 GCSD was required to provide advanced wastewater treatment prior to discharge to Atascadero Creek by October 7, 2007, by the North Coast Regional Water Quality Control Board (NCRWQCB) NPDES Permit No. CA0023639. The current wastewater treatment system consists of secondary treatment for an average daily dry weather flow of up to 0.14 million gallons per day and an average daily wet weather flow of up to 0.85 mgd. The existing system is comprised of two influent pumping stations, two facultative aerated ponds, a settling pond, chlorine disinfection system, and a dechlorination prior to discharge to two effluent storage ponds. The effluent storage ponds have a total capacity of 23 million gallons. Discharge is to irrigation sites or to surface water.

Contact Information
Rob Rawson
Graton Community Services District
Lead/Public Agency
P.O. Box 534 250 Ross Lane
Graton, CA 95444

Phone : (707) 823-1542


32°26'57"N 122°52'41"W
Cross Streets
250 Ross Lane
Total Acres
Parcel #
Atascadero Creek
Other Location Info
City/Nearest Community: Graton

Notice of Completion

Review Period Start
Review Period End
Development Type
Waste Treatment:Other (Wastewater; 0.14-0.85 MGD)
Project Issues
Air Quality Biological Resources Cultural Resources Flood Plain/Flooding Hydrology/Water Quality
Reviewing Agencies
California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW) California Department of Parks and Recreation California Highway Patrol California Native American Heritage Commission (NAHC) California Regional Water Quality Control Board, North Coast Region 1 (RWQCB) Department of Toxic Substances Control Department of Water Resources Resources Agency Resources, Recycling and Recovery State Water Resources Control Board, Divison of Financial Assistance California Department of Transportation, District 4 (DOT)

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at state.clearinghouse@opr.ca.gov or via phone at (916) 445-0613.

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