Influent Pump Station Expansion Project

2 Documents in Project

Summary

SCH Number
2012102058
Lead Agency
Napa Sanitation District
Document Title
Influent Pump Station Expansion Project
Document Type
MND - Mitigated Negative Declaration
Received
Present Land Use
LUD: Public-Institutional. Z: Agricultural Watershed District: Airport Compatibility Combination District

Document Description
The project proposes to upgrade the existing Influent Pump Station (IPS) at the Soscol Water Recycling Facility (SWRF) to pump incoming flows up to 60 mgd. The proposed project would be designed to pump flows up to 20 mgd to the SWRF headworks and flows in excess of 20 mgd to Oxidation Pond No. 1. The new IPS would be located to the west of the existing IPS. The new IPS includes approximately 150 linear feet of new 66-inch influent sewer pipeline to the new IPS, new sewage forcemain piping to manhole No. 9 from the new IPS, an emergency diversion pipe to the water recovery basin and site paving and grading. The project would also include improvements to the IPS screenings area and manhole No. 9. The existing vactor dump site would be demolished and rebuilt, and a new electrical building, odor control facility, and flowmeter vault would be constructed.

Contact Information
Jennifer Johnson
Napa Sanitation District
935 Hartle Court
Napa, CA 94558

Phone : (707) 258-6000 x504

Location

Coordinates
38°14'2.19"N 122°17'13.48"W
Cities
Napa
Counties
Napa
Cross Streets
Soscol Ferry Road/Vista Point Drive
Zip
94559
Parcel #
057-010-010
State Highways
Hwy 29/121
Railways
UPRR
Airports
Napa County
Schools
Napa College
Waterways
Napa River
Township
4N
Range
4W

Notice of Completion

Review Period Start
Review Period End
Development Type
Waste Treatment:Other (60 MGD)
Local Action
Other Action Other Action: NSD approval
Project Issues
Aesthetic/Visual Agricultural Land Air Quality Archaeologic-Historic Biological Resources Drainage/Absorption Flood Plain/Flooding Forest Land/Fire Hazard Geologic/Seismic Minerals Noise Population/Housing Balance Public Services Recreation/Parks Schools/Universities Sewer Capacity Soil Erosion/Compaction/Grading Solid Waste Toxic/Hazardous Traffic/Circulation Vegetation Water Quality Water Supply Wetland/Riparian Growth Inducing Land Use Cumulative Effects
Reviewing Agencies
California Department of Parks and Recreation California Department of Public Health California Highway Patrol California Public Utilities Commission Caltrans, District 4 Department of Fish and Wildlife, Region 3 Department of Water Resources Native American Heritage Commission Resources Agency State Water Resources Control Board, Divison of Financial Assistance Regional Water Quality Control Board, Region 2
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