North Activated Sludge Treatment System (NASTS) Phase II Upgrades

2 Documents in Project


SCH Number
Lead Agency
Patterson, City of (City of Patterson)
Document Title
North Activated Sludge Treatment System (NASTS) Phase II Upgrades
Document Type
NEG - Negative Declaration
Present Land Use
water quality control facility/public/quasi public zone/public/quasi public GPD

Document Description
Construction of a 200,000 gallon concrete tank and rehabilitation of the NASTS two secondary clarifiers, including crack repair of concrete tanks and replacement of the rotating mechanism and supporting steel.

Contact Information
Joel Andrews
City of Patterson
PO Box 667
Patterson, CA 95363

Phone : (209) 895-8020


Cross Streets
Poplar Ave and Walnut Ave
Parcel #
Patterson USD
San Joaquin River

Notice of Completion

Review Period Start
Review Period End
Development Type
Water Facilities (200,000 MGD)
Local Action
Site Plan
Project Issues
Aesthetic/Visual Air Quality Biological Resources Drainage/Absorption Geologic/Seismic Noise Population/Housing Balance Public Services Sewer Capacity Soil Erosion/Compaction/Grading Toxic/Hazardous Traffic/Circulation Water Quality Water Supply Growth Inducing Land Use Cumulative Effects
Reviewing Agencies
California Department of Conservation California Department of Fish and Wildlife, Central Region 4 California Department of Parks and Recreation California Department of Transportation, District 10 California Native American Heritage Commission California Regional Water Quality Control Board, Central Valley Sacramento Region 5 California State Lands Commission Central Valley Flood Protection Board Department of Housing and Community Development Department of Toxic Substances Control Office of Emergency Services, California Resources Agency State Water Resources Control Board, Division of Drinking Water State Water Resources Control Board, Division of Drinking Water, District 10 State Water Resources Control Board, Division of Water Rights

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 or via phone at (916) 445-0613.

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