Clean Water Act discharge permit · NPDES CA0077828
LAKE WILDWOOD WWTP, Nevada City, CA: NPDES CA0077828 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 158Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
LAKE WILDWOOD WWTP, held by NEVADA COUNTY SANITATION DISTRICT NO. 1, holds NPDES permit CA0077828, which discharges to Deer Creek. EPA’s file records it issued February 5, 2009 and expiring January 31, 2014. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | LAKE WILDWOOD WWTP |
|---|---|
| Permittee as filed | NEVADA COUNTY SANITATION DISTRICT NO. 1 |
| NPDES ID | CA0077828 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | February 5, 2009 |
| Expiration date | January 31, 2014 |
| Address | Nevada City, CA 95946 |
| Receiving water | DEER CREEK |
| Subwatershed | Slacks Ravine-Deer Creek (HUC 180201250804) |
| Other EPA IDs (FRS) | RCRA handler CAL922795139 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 161Pollutants on file
- 158Under a numeric limit
- 161With a violation of any kind
- 6With 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 161 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Coliform, total general | 2 | 78 | 12 | July 31, 2018 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 2 | 80 | 4 | June 30, 2019 | 438% over the limit |
| pH | 2 | 68 | 2 | December 31, 2009 | |
| Chlorine, total residual | 2 | 68 | 2 | September 30, 2010 | 18,050% over the limit |
| Nitrogen, nitrite total [as N] | 2 | 65 | 2 | June 30, 2012 | 611% over the limit |
| Nitrite + Nitrate total [as N] | 2 | 67 | 1 | November 30, 2009 | 2% over the limit |
| BOD, 5-day, 20 deg. C | 9 | 295 | 0 | ||
| Solids, total suspended | 9 | 295 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 134 | 0 | ||
| Dichlorobromomethane | 3 | 35 | 0 | ||
| Dibromochloromethane | 3 | 35 | 0 | ||
| Specific conductance | 1 | 33 | 0 | ||
| BOD, 5-day, percent removal | 1 | 33 | 0 | ||
| Solids, suspended percent removal | 1 | 33 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 31 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 30 | 0 | ||
| Mercury, total recoverable | 2 | 22 | 0 | ||
| Surfactants [MBAS] | 1 | 9 | 0 | ||
| Solids, total dissolved | 1 | 9 | 0 | ||
| Silver total recoverable | 1 | 8 | 0 | ||
| Copper, total recoverable | 1 | 8 | 0 | ||
| Diquat | 1 | 8 | 0 | ||
| Carbon tetrachloride | 1 | 8 | 0 | ||
| Methylmercury | 1 | 8 | 0 | ||
| %Surv Static 96Hr Acute Pimphales Promelas | 2 | 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 | ||
| Peracetic Acid | 0 | 6 | 0 | ||
| Temperature, water deg. centigrade | 0 | 3 | 0 | ||
| Nitrogen, nitrate total [as N] | 0 | 3 | 0 | ||
| Alkalinity, total [as CaCO3] | 1 | 1 | 0 | ||
| Phosphorus, total [as P] | 1 | 1 | 0 | ||
| Cyanide, total [as CN] | 1 | 1 | 0 | ||
| Calcium, total [as Ca] | 1 | 1 | 0 | ||
| Magnesium, total recoverable | 1 | 1 | 0 | ||
| Sodium, total [as Na] | 1 | 1 | 0 | ||
| Potassium, total [as K] | 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 | ||
| Boron, total recoverable | 1 | 1 | 0 | ||
| Chromium, hexavalent [as Cr] | 1 | 1 | 0 | ||
| Chromium, trivalent [as Cr] | 1 | 1 | 0 | ||
| Nickel, total recoverable | 1 | 1 | 0 | ||
| Zinc, 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 | ||
| Manganese, total recoverable | 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 | ||
| .delta.-BHC | 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 CA0077828.
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 September 15, 2026.