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NPDES Self Monitoring Program
City of Vacaville, Easterly Wastewater Treatment Plant

Organization

City of Vacaville
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CVRWQCB

Program website

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Plan contact

David Tompkins
707-469-6400

Start date 04/25/2008
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. The discharge is presently governed by Waste Discharge Requirements Order No. R5-2008-0055, adopted by the Board on 25 April 2008. Treated municipal wastewater is discharged to Old Alamo Creek (Discharge Point 001, latitude 38.346667, longitude 121.901667), a tributary to New Alamo Creek, tributary to Ulatis Creek, and tributary to Cache Slough, all waters of the United States within the Vaca Mountains Watershed.
Annual budget None

Basins & sub-basins monitored

  • Sacramento River (Sacramento River)
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Sites Monitored

Name Code Latitude Longitude Map
Old Alamo Creek, at Leisure Town Road
RSW-001 38.347074 -121.905774 locate
Old Alamo Creek, 1200 ft DS (on the E side of Lewis Rd) from discharge 001
RSW-002 38.346323 -121.896693 locate
New Alamo Creek at Lewis Rd, 6000 ft US of Old Alamo-New Alamo confluence
RSW-003 38.330058 -121.897124 locate
New Alamo Creek at the Brown-Alamo Dam, 2000 ft DS of Old Alamo-New Alamo confluence
RSW-004 38.329777 -121.862761 locate

Parameters Monitored

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

Data Products Available

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