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NPDES Self Monitoring Program
University of California, Davis Campus Wastewater Treatment Plant

Organization

University of California, Davis
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CVRWQCB

Program website

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Plan contact

Michael Fan
530-752-7553

Start date 12/05/2008
End date None
Objectives The Discharger owns and operates a wastewater collection, treatment, and disposal system, and provides sewerage service to University of Californias Davis Campus. Treated municipal wastewater is discharged to South Fork, Putah Creek (001), a water of the United States. The Discharger is proposing to also discharge treated municipal wastewater to the arboretum Waterway (North Branch Putah Creek) (002), a water of the United States. The Discharger began operating its new tertiary wastewater treatment plant in March 2000. The barscreen at the old plant are still used as part of the treatment processes. From the old treatment plant the wastewater is pumped to the new treatment plant. The old treatment plant used sludge drying facilities located near the Universitys Primate Center. These drying beds are no longer used. The groundwater under the abandoned sludge drying beds at the Primate Center must be investigated for any groundwater degradation. Putah Creek orginially flowed through the City of Davis where the Universityis located. To prevent flooding, the City created South Fork Putah Creek and damming what is now known as the North Branch Putah Creek (arboretum). The North Branch Putah Creek is a water of the United States and is located on the campus and used as storm water retention basin and recreational impoundment. During dry weather, the arboretum water becomes stagnant and fills with algae. The Discharger proposes to treat the arboretum water at the new wastewater treatment plant to reduce the nutrients and other pollutants that currently accumulate in the arboretum. The arboretum water would be pumped to the new plant for treatment when wastewater flows are low. The arboretum water would be recycled back to the arboretum. Since domestic sewage is treated at the same time, the commingled waste stream must be regulated as reclaimed water in accordance with California Code of Regulations, Title 22.
Annual budget None

Basins & sub-basins monitored

  • Sacramento River (Sacramento River)
map

Sites Monitored

Name Code Latitude Longitude Map
Putah Creek, South Fork, US of Discharge Point No. 001
RSW-001U 38.517472 -121.760944 locate
Putah Creek, South Fork, DS of Discharge Point No. 001
RSW-001D 38.517111 -121.7565 locate
Putah Creek, North Fork, 200 ft US of Discharge Point No. 002
RSW-002U 38.517521 -121.764456 locate
Putah Creek, 50-200 ft DS of Discharge Point No. 002
RSW-002D 38.517594 -121.763695 locate

Parameters Monitored

GroupParametersFrequency
General Water Quality Dissolved Oxygen (DO), Electrical Conductivity (EC) , Hardness, pH, Specific Conductance [EC @ 25 deg C], Temperature, Turbidity Monthly, Weekly
Pathogens & Bacteria Fecal Coliforms Quarterly
Priority Pollutants Priority Pollutants Other
Radioactivity Radioactivity - other, 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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