Clean Water Act discharge permit · NPDES CA0005932
KORBEL SAWMILL, Korbel, CA: NPDES CA0005932 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 152Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
KORBEL SAWMILL, held by California Redwood Company, holds NPDES permit CA0005932, which discharges to North Fork Mad River. EPA’s file records it issued May 2, 2013 and expiring June 30, 2018. 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 | KORBEL SAWMILL |
|---|---|
| Permittee as filed | California Redwood Company |
| NPDES ID | CA0005932 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 2, 2013 |
| Expiration date | June 30, 2018 |
| Address | Korbel, CA 95550 |
| Receiving water | North Fork Mad River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | North Fork Mad River (HUC 180101020405) |
| SIC | 2421 – Sawmills And Planing Mills, General |
| Other EPA IDs (FRS) | ICIS-AIR source CANCU0000602312072 |
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
- 157Pollutants on file
- 152Under a numeric limit
- 156With 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 157 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Nickel, total recoverable | 7 | 42 | 21 | December 31, 2024 | 263% over the limit |
| Zinc, total recoverable | 7 | 40 | 17 | December 31, 2024 | 230% over the limit |
| Copper, total recoverable | 10 | 8 | 4 | March 31, 2019 | 212% over the limit |
| 96Hr Acute Ceriodaphn. Dubia % Srv | 4 | 5 | 3 | December 31, 2025 | 100% over the limit |
| pH | 6 | 12 | 2 | March 31, 2020 | |
| Lead, total recoverable | 10 | 5 | 1 | January 31, 2019 | 39% over the limit |
| Flow, total | 0 | 12 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 8 | 0 | ||
| Selenium, total recoverable | 7 | 5 | 0 | ||
| Silver total recoverable | 7 | 5 | 0 | ||
| Cadmium, total recoverable | 7 | 5 | 0 | ||
| Mercury, total recoverable | 7 | 5 | 0 | ||
| Solids, settleable | 1 | 5 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 4 | 0 | ||
| Turbidity | 1 | 4 | 0 | ||
| Color [PT-CO units] | 1 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 4 | 0 | ||
| Solids, total suspended | 1 | 4 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 4 | 0 | ||
| Debris, floating [severity] | 1 | 4 | 0 | ||
| Chemical Oxygen Demand [COD] | 1 | 4 | 0 | ||
| Discharge flow as % of stream flow | 0 | 4 | 0 | ||
| Chronic Mthd, Survival Endpt %Effect, Growth Endpt Median TSTcHo R/nR Pass/Fail, StatR7d P promelas | 0 | 4 | 0 | ||
| Chronic Mthd, Survival Endpt %Effect, Reprod Endpt Median TSTcHo R/nR Pass/Fail, StatR8dmax C dubia | 0 | 4 | 0 | ||
| Cyanide, total [as CN] | 3 | 3 | 0 | ||
| Arsenic, total recoverable | 3 | 3 | 0 | ||
| Thallium, total recoverable | 3 | 3 | 0 | ||
| Beryllium, total recoverable [as Be] | 3 | 3 | 0 | ||
| Chromium, hexavalent [as Cr] | 3 | 3 | 0 | ||
| Chromium, trivalent [as Cr] | 3 | 3 | 0 | ||
| Antimony, total recoverable | 3 | 3 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 3 | 3 | 0 | ||
| Dichlorobromomethane | 3 | 3 | 0 | ||
| Carbon tetrachloride | 3 | 3 | 0 | ||
| 1,2-Dichloroethane | 3 | 3 | 0 | ||
| Bromoform | 3 | 3 | 0 | ||
| Dibromochloromethane | 3 | 3 | 0 | ||
| Chloroform | 3 | 3 | 0 | ||
| Toluene | 3 | 3 | 0 | ||
| Benzene | 3 | 3 | 0 | ||
| .delta.-BHC | 3 | 3 | 0 | ||
| Acenaphthylene | 3 | 3 | 0 | ||
| Acenaphthene | 3 | 3 | 0 | ||
| Acrolein | 3 | 3 | 0 | ||
| Acrylonitrile | 3 | 3 | 0 | ||
| Anthracene | 3 | 3 | 0 | ||
| Benzo[b]fluoranthene | 3 | 3 | 0 | ||
| Benzo[k]fluoranthene | 3 | 3 | 0 | ||
| Benzo[a]pyrene | 3 | 3 | 0 | ||
| Bis[2-chloroethyl] ether | 3 | 3 | 0 | ||
| Bis[2-chloroethoxy]methane | 3 | 3 | 0 | ||
| Bis[2-chloroisopropyl] ether | 3 | 3 | 0 | ||
| Butyl benzyl phthalate | 3 | 3 | 0 | ||
| Chlorobenzene | 3 | 3 | 0 | ||
| Chrysene | 3 | 3 | 0 | ||
| Diethyl phthalate | 3 | 3 | 0 | ||
| Dimethyl phthalate | 3 | 3 | 0 | ||
| 1,2-Diphenylhydrazine | 3 | 3 | 0 | ||
| Endosulfan sulfate | 3 | 3 | 0 | ||
| .beta.-Endosulfan | 3 | 3 | 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 CA0005932.
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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Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.