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NPDES Self Monitoring Program
City of Davis, Wastewater Treatment Plant

Organization

City of Davis
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CVRWQCB

Program website

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Plan contact

Keith Smith
530-757-5676
Start date 10/25/2007
End date None
Objectives The Regional Water Board adopted a Water Quality Control Plan, Fourth Edition (Revised August 2006), for the Sacramento and San Joaquin River Basins (hereinafter Basin Plan) that designates beneficial uses, establishes water quality objectives, and contains implementation programs and policies to achieve those objectives for all waters addressed through the plan. The Basin Plan at page II-2.00 states that the “…beneficial uses of any specifically identified water body generally apply to its tributary streams.” Willow Slough Bypass is tributary to the Conaway Ranch Toe Drain and both streams are tributary to the Yolo Bypass. The Basin Plan does not specifically identify beneficial uses for the Willow Slough Bypass and Conaway Ranch Toe Drain, but does identify present and potential uses for the Yolo Bypass. These beneficial uses are as follows: agricultural supply, including stock watering; water contact recreation; non-contact water recreation; warm freshwater habitat; potential cold freshwater habitat; warm migration of aquatic organisms; cold migration of aquatic organisms; warm spawning, reproduction, and/or early development; and wildlife habitat.
Annual budget None

Basins & sub-basins monitored

  • Sacramento River (Sacramento River)
map

Sites Monitored

Name Code Latitude Longitude Map
Willow Slough Bypass, 30 ft US of Discharge 001
RSW-001U 38.59 -121.663889 locate
Willow Slough Bypass, 200 ft DS of Discharge 001
RSW-001D 38.589722 -121.6675 locate
Conaway Ranch Toe Drain, 30 ft US of Discharge 2
RSW-002U 38.576389 -121.633056 locate
Conaway Ranch Toe Drain, 375 ft DS of Discharge 2
RSW-002D 38.575278 -121.634444 locate

Parameters Monitored

GroupParametersFrequency
General Water Quality Dissolved Oxygen (DO), Hardness, pH, Specific Conductance [EC @ 25 deg C], Temperature, Turbidity Weekly, Quarterly, Monthly
Pathogens & Bacteria Fecal Coliforms Monthly
Radioactivity Radionuclides Annual

Data Products Available

ItemAvailable OnlineURLAvailable by RequestComment
Monitoring Plan Yes http://www.waterboards.ca.gov/... No Past Order
Other No Yes Discharger Self Reports
Monitoring Plan Yes http://www.waterboards.ca.gov/... No Current order
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