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NPDES Self Monitoring Program
City of Rio Vista Northwest Wastewater Treatment Facility

Organization

City of Rio Vista
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Eco Resources

CVRWQCB

Program website

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Plan contact

Public Works Directory/ City Manager
707-374-6747

Start date 07/31/2008
End date None
Objectives Conduct monitoring to demonstrate compliance with the effluent limitations, receiving water limitations, discharge specifications, and other requirements stipulated in the permit and to assess the impacts of the discharge on the receiving stream. Treated wastewater is discharge to land during irrigation months and to unnamed ephemeral stream that is tributary to the Sacramento River within the legal boundaries of the Sacramento-San Joaquin Delta, a water of the United States, during non-irrigation months.
Annual budget None

Basins & sub-basins monitored

  • Delta (North Delta)
map

Sites Monitored

Name Code Latitude Longitude Map
Sacramento River, Approx 250 ft US and 80 feet offshore of Discharge Pt No. 001of the diffuser
RSW-001 38.168333 -121.678333 locate
Sacramento River, Approx 1 mile DS and 80 ft offshore of Discharge Pt No. 001 near Hwy 12
RSW-002 38.142291 -121.69395 locate

Parameters Monitored

GroupParametersFrequency
General Water Quality Dissolved Oxygen (DO), Hardness, pH, Specific Conductance [EC @ 25 deg C], Temperature, Total Dissolved Solids (TDS), Turbidity Quarterly
Hydrology Flow Quarterly

Data Products Available

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