Clean Water Act discharge permit · NPDES CA0078671
EL DORADO HILLS WWTP, Placerville, CA: NPDES CA0078671 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 185Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
EL DORADO HILLS WWTP, held by EL DORADO IRRIGATION DISTRICT, holds NPDES permit CA0078671, which discharges to Carson Creek. EPA’s file records it issued June 22, 2007 and expiring June 1, 2012. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | EL DORADO HILLS WWTP |
|---|---|
| Permittee as filed | EL DORADO IRRIGATION DISTRICT |
| NPDES ID | CA0078671 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 22, 2007 |
| Expiration date | June 1, 2012 |
| Address | Placerville, CA 95762 |
| Receiving water | CARSON CREEK |
| Subwatershed | Carson Creek (HUC 180400130501) |
| Program components on file | POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler CAL000172954 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 216Pollutants on file
- 185Under a numeric limit
- 180With a violation of any kind
- 10With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant; the 60 with the most exceedances of 216 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 8 | 13 | 9 | March 31, 2011 | 398% over the limit |
| Coliform, total general | 4 | 8 | 8 | April 30, 2007 | 6,857% over the limit |
| Chlorine, total residual | 2 | 17 | 7 | October 31, 2007 | 45,900% over the limit |
| Zinc, total recoverable | 4 | 3 | 2 | February 28, 2013 | 46% over the limit |
| Copper, total recoverable | 4 | 3 | 2 | February 28, 2013 | 235% over the limit |
| pH | 2 | 2 | 2 | December 31, 2005 | |
| Dichloroprop | 1 | 2 | 2 | May 31, 2010 | 2,147,483,650% over the limit |
| Manganese, total recoverable | 2 | 4 | 1 | November 30, 2012 | 620% over the limit |
| .alpha.-BHC | 3 | 1 | 1 | February 28, 2015 | 70% over the limit |
| Solids, settleable | 2 | 1 | 1 | January 31, 2010 | 50% over the limit |
| Solids, total suspended | 14 | 6 | 0 | ||
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | 2 | 6 | 0 | ||
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | 2 | 6 | 0 | ||
| TU Static Renewal 7-Day Chronic Pimphales promelas | 2 | 6 | 0 | ||
| Manganese, dissolved [as Mn] | 2 | 5 | 0 | ||
| BOD, 5-day, 20 deg. C | 14 | 4 | 0 | ||
| Aluminum, total recoverable | 10 | 4 | 0 | ||
| Di[2-ethylhexyl] phthalate [DEHP] | 4 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 3 | 0 | ||
| Specific conductance | 3 | 3 | 0 | ||
| %Surv Static 96Hr Acute Oncorhynchus Mykiss | 2 | 3 | 0 | ||
| Mercury, total recoverable | 2 | 2 | 0 | ||
| Cyanide, total [as CN] | 4 | 1 | 0 | ||
| Dichlorobromomethane | 4 | 1 | 0 | ||
| Dibromochloromethane | 4 | 1 | 0 | ||
| .gamma.-BHC | 4 | 1 | 0 | ||
| Carbon tetrachloride | 3 | 1 | 0 | ||
| Dalapon | 3 | 1 | 0 | ||
| 4,4'-DDT | 3 | 1 | 0 | ||
| Aldrin | 3 | 1 | 0 | ||
| .beta.-BHC | 3 | 1 | 0 | ||
| Chlordane [tech mix. and metabolites] | 3 | 1 | 0 | ||
| .delta.-BHC | 2 | 1 | 0 | ||
| .beta.-Endosulfan | 2 | 1 | 0 | ||
| .alpha.-Endosulfan | 2 | 1 | 0 | ||
| Endrin | 2 | 1 | 0 | ||
| Phosphorus, total [as P] | 1 | 1 | 0 | ||
| Chloride [as Cl] | 1 | 1 | 0 | ||
| Arsenic, total recoverable | 1 | 1 | 0 | ||
| Iron, total recoverable | 1 | 1 | 0 | ||
| Selenium, total recoverable | 1 | 1 | 0 | ||
| Thallium, total recoverable | 1 | 1 | 0 | ||
| Beryllium, total recoverable [as Be] | 1 | 1 | 0 | ||
| Chromium, hexavalent [as Cr] | 1 | 1 | 0 | ||
| Nickel, total recoverable | 1 | 1 | 0 | ||
| Silver total recoverable | 1 | 1 | 0 | ||
| Cadmium, total recoverable | 1 | 1 | 0 | ||
| Lead, total recoverable | 1 | 1 | 0 | ||
| Antimony, total recoverable | 1 | 1 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 1 | 1 | 0 | ||
| Diquat | 1 | 1 | 0 | ||
| Dinoseb | 1 | 1 | 0 | ||
| 1,2-Dichloroethane | 1 | 1 | 0 | ||
| Bromoform | 1 | 1 | 0 | ||
| Chloroform | 1 | 1 | 0 | ||
| Toluene | 1 | 1 | 0 | ||
| Benzene | 1 | 1 | 0 | ||
| Acenaphthylene | 1 | 1 | 0 | ||
| Acenaphthene | 1 | 1 | 0 | ||
| Acrolein | 1 | 1 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES CA0078671.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.