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Download Excel NPDES Self Monitoring Program
Shasta County Service Area No. 17, Cottonwood, WWTP, Shasta County
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Organization
Shasta County Serviceshow partners CVRWQCB
Program website
view
Plan contactRandy Gillichbauer
(530) 347-0431
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| Start date | 01/01/2005 |
| End date | None |
| Objectives | The wastewater treatment plant consists of: a headworks with bar screen and Parshall flume with ultrasonic level sensor; two, parallel oxidation ditches with aerators; two, parallel secondary clarifiers with skimmers; traveling-bridge sand filter unit; chlorine disinfection with chlorine gas; serpentine chlorine contact chamber; dechlorination by addition of sulfur dioxide; an outfall line and diffuser to Cottonwood Creek; a northern 4.3 acre-feet sludge settling basin (formerly 0.83 acre-feet), a southern 0.63 acre-feet sludge settling basin; and four, sludge/sand drying beds. |
| Annual budget | None |
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Basins & sub-basins monitored
- Sacramento River (Sacramento River)
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map
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Sites Monitored
| Name |
Code |
Latitude |
Longitude |
Map |
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Cottonwood Creek, 100 ft US of discharge
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R-1 |
40.377815 |
-122.270597 |
locate |
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Cottonwood Creek, 100 ft DS of discharge
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R-2 |
40.377728 |
-122.271054 |
locate |
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Parameters Monitored
| Group | Parameters | Frequency |
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| Disinfection Byproducts |
Total Residual Chlorine (TRC), Trihalomethanes |
Weekly, Annual |
| General Water Quality |
Dissolved Oxygen (DO), Electrical Conductivity (EC), Hardness, pH, Temperature, Turbidity |
Weekly, Quarterly, Monthly, Daily |
| Major Ions & Minerals |
Asbestos, Cyanide |
Annual |
| Mercury |
Mercury |
Annual |
| Metals & Trace Elements |
Antimony, Arsenic, Beryllium, Cadmium, Chromium, Copper, Nickel, Selenium, Silver, Thallium, Zinc |
Annual, Quarterly |
| Organic Contaminants |
Acid extractable - other, Base-neutral extractable - other, Bis(2-ethylhexyl)phthalate, Organic Contaminants - other, PAHs - other, PCBs |
Annual |
| Pathogens & Bacteria |
Fecal Coliforms, Total Coliforms |
Weekly |
| Pesticides |
Organochlorine Pesticides |
Annual |
| Water Toxicity |
Toxicity (chronic) - Ceriodaphnia, Toxicity (chronic) - Fathead minnow, Toxicity (chronic) - other |
Quarterly |
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Data Products Available
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