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NPDES Self Monitoring Program
City of Nevada City, WWTP

Organization

City of Nevada City
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CVRWQCB

Program website

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Plan contact

James Wofford
(530) 265-8668

Start date 12/04/2008
End date None
Objectives City of Nevada City (Discharger) provides sewerage service for the City of Nevada City, which has a population of approximately 3,000. The WWTP design average dry weather flow capacity is 0.69 mgd. The treatment system consists of grit removal, comminution, biological treatment in sequencing batch reactors, sand filtration, pH adjustment, and chlorination/dechlorination. Sludge is treated in an aerobic digester, dewatered by a belt filter press, and hauled to the Redwood landfill in Navato. Treated wastewater is discharged into Deer Creek, which flows into Lake Wildwood prior to being discharged downstream to the lower reaches of Deer Creek and the Yuba River.
Annual budget None

Basins & sub-basins monitored

  • Sacramento River (Sacramento River)
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Sites Monitored

Name Code Latitude Longitude Map
Deer Creek, 50 ft US from the point of disharge
RSW-001 39.260636 -121.031192 locate
Deer Creek, 50 ft DS from the point of disharge
RSW-002 39.260423 -121.032901 locate

Parameters Monitored

GroupParametersFrequency
General Water Quality Dissolved Oxygen (DO), pH, Specific Conductance [EC @ 25 deg C], Temperature, Turbidity Weekly
Pathogens & Bacteria Fecal Coliforms Quarterly
Radioactivity Radionuclides Annual
Water Toxicity Toxicity (chronic) - Ceriodaphnia, Toxicity (chronic) - Fathead minnow, Toxicity (chronic) - other Quarterly

Data Products Available

ItemAvailable OnlineURLAvailable by RequestComment
Monitoring Plan Yes http://www.waterboards.ca.gov/... Yes
Other No Yes Discharger self-report
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