Clean Water Act discharge permit · NPDES CA0084620
COPPER COVE WWRF, Copperopolis, CA: NPDES CA0084620 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 192Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
COPPER COVE WWRF, held by Calaveras County Water District and Saddle Creek Golf Club, LLC, holds NPDES permit CA0084620, which discharges to Jurisdictional Wetlands. EPA’s file records it issued May 31, 2018 and expiring June 30, 2023. 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 | COPPER COVE WWRF |
|---|---|
| Permittee as filed | Calaveras County Water District and Saddle Creek Golf Club, LLC |
| NPDES ID | CA0084620 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | May 31, 2018 |
| Expiration date | June 30, 2023 |
| Address | Copperopolis, CA 95228 |
| Receiving water | Jurisdictional Wetlands |
| Subwatershed | Peachys Creek-Littlejohns Creek (HUC 180400510203) |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 194Pollutants on file
- 192Under a numeric limit
- 177With a violation of any kind
- 3With 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 194 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 3 | 13 | 7 | April 30, 2026 | 99,999% over the limit |
| pH | 4 | 11 | 5 | February 28, 2026 | |
| BOD, 5-day, percent removal | 1 | 4 | 1 | April 30, 2022 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 12 | 0 | ||
| Solids, total suspended | 4 | 12 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 6 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 6 | 0 | ||
| Specific conductance | 2 | 3 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 3 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 3 | 0 | ||
| Solids, suspended percent removal | 1 | 3 | 0 | ||
| Hardness, total [as CaCO3] | 3 | 2 | 0 | ||
| Bolero | 1 | 2 | 0 | ||
| Trichloroethylene | 1 | 2 | 0 | ||
| Phosphorus, total [as P] | 1 | 1 | 0 | ||
| Cyanide, total [as CN] | 1 | 1 | 0 | ||
| Sulfite [as SO3] | 1 | 1 | 0 | ||
| Sulfide, total [as S] | 1 | 1 | 0 | ||
| Chloride [as Cl] | 1 | 1 | 0 | ||
| Sulfate, total [as SO4] | 1 | 1 | 0 | ||
| Asbestos | 1 | 1 | 0 | ||
| Fluoride, total [as F] | 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 | ||
| Barium, total recoverable | 1 | 1 | 0 | ||
| Chromium, hexavalent [as Cr] | 1 | 1 | 0 | ||
| Nickel, total recoverable | 1 | 1 | 0 | ||
| Silver total recoverable | 1 | 1 | 0 | ||
| Zinc, total recoverable | 1 | 1 | 0 | ||
| Cadmium, total recoverable | 1 | 1 | 0 | ||
| Lead, total recoverable | 1 | 1 | 0 | ||
| Chromium, total recoverable | 1 | 1 | 0 | ||
| Copper, total recoverable | 1 | 1 | 0 | ||
| Molybdenum, total recoverable | 1 | 1 | 0 | ||
| Antimony, total recoverable | 1 | 1 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 1 | 1 | 0 | ||
| Tributyltin | 1 | 1 | 0 | ||
| Diquat | 1 | 1 | 0 | ||
| Methyl tert-butyl ether [MTBE] | 1 | 1 | 0 | ||
| Dinoseb | 1 | 1 | 0 | ||
| Carbon tetrachloride | 1 | 1 | 0 | ||
| 1,2-Dichloroethane | 1 | 1 | 0 | ||
| Bromoform | 1 | 1 | 0 | ||
| Dibromochloromethane | 1 | 1 | 0 | ||
| Toluene | 1 | 1 | 0 | ||
| Benzene | 1 | 1 | 0 | ||
| .delta.-BHC | 1 | 1 | 0 | ||
| Acenaphthylene | 1 | 1 | 0 | ||
| Acenaphthene | 1 | 1 | 0 | ||
| Acrolein | 1 | 1 | 0 | ||
| Acrylonitrile | 1 | 1 | 0 | ||
| Anthracene | 1 | 1 | 0 | ||
| Benzo[b]fluoranthene | 1 | 1 | 0 | ||
| Benzo[k]fluoranthene | 1 | 1 | 0 | ||
| Benzo[a]pyrene | 1 | 1 | 0 | ||
| Bis[2-chloroethyl] ether | 1 | 1 | 0 | ||
| Bis[2-chloroethoxy]methane | 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 CA0084620.
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.
Watch this permit
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Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.