Clean Water Act discharge permit · NPDES CA0004391
CHESTER SAWMILL, Chester, CA: NPDES CA0004391 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 152Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
CHESTER SAWMILL, held by COLLINS PINE COMPANY, holds NPDES permit CA0004391, which discharges to North Fork Feather River, Stover Ditch. EPA’s file records it issued February 5, 2009 and expiring February 1, 2014. 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 | CHESTER SAWMILL |
|---|---|
| Permittee as filed | COLLINS PINE COMPANY |
| NPDES ID | CA0004391 |
| 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 | February 5, 2009 |
| Expiration date | February 1, 2014 |
| Address | Chester, CA 96020 |
| Receiving water | NORTH FORK FEATHER RIVER, STOVER DITCH |
| Subwatershed | Marian Creek-Frontal Lake Almanor (HUC 180201210404) |
| SIC | 2421 – Sawmills And Planing Mills, General |
| Other EPA IDs (FRS) | RCRA handler CAR000150193; ICIS-AIR source CANSI0000606300003 |
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
- 163Pollutants on file
- 152Under a numeric limit
- 43With a violation of any kind
- 7With 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 163 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| pH | 4 | 39 | 30 | November 30, 2020 | |
| Solids, total suspended | 1 | 17 | 14 | February 28, 2006 | 414% over the limit |
| Solids, settleable | 2 | 18 | 11 | October 31, 1996 | 15,600% over the limit |
| Oxygen demand, chem. [high level] [COD] | 0 | 10 | 9 | November 30, 1996 | 177% over the limit |
| %Surv Static Renewal 96Hr Oncorhynchus mykiss | 2 | 8 | 8 | June 30, 2020 | 100% over the limit |
| Chemical Oxygen Demand [COD] | 1 | 6 | 4 | January 31, 2019 | 332% over the limit |
| %Surv Static 96Hr Acute Oncorhynchus Mykiss | 0 | 3 | 1 | December 31, 2006 | 14% over the limit |
| Turbidity | 2 | 6 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 6 | 0 | ||
| Cyanide, total recoverable | 0 | 6 | 0 | ||
| Specific conductance | 2 | 4 | 0 | ||
| Tannin and lignin | 1 | 3 | 0 | ||
| Chlorine, total residual | 1 | 3 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 2 | 0 | ||
| Oil and grease | 1 | 2 | 0 | ||
| Lead, total recoverable | 11 | 1 | 0 | ||
| Copper, total recoverable | 11 | 1 | 0 | ||
| Arsenic, total recoverable | 2 | 1 | 0 | ||
| Selenium, total recoverable | 2 | 1 | 0 | ||
| Thallium, total recoverable | 2 | 1 | 0 | ||
| Beryllium, total recoverable [as Be] | 2 | 1 | 0 | ||
| Nickel, total recoverable | 2 | 1 | 0 | ||
| Silver total recoverable | 2 | 1 | 0 | ||
| Zinc, total recoverable | 2 | 1 | 0 | ||
| Cadmium, total recoverable | 2 | 1 | 0 | ||
| Antimony, total recoverable | 2 | 1 | 0 | ||
| Mercury, total recoverable | 2 | 1 | 0 | ||
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | 2 | 1 | 0 | ||
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | 2 | 1 | 0 | ||
| TU Static Renewal 7-Day Chronic Pimphales promelas | 2 | 1 | 0 | ||
| Calcium, total recoverable | 1 | 1 | 0 | ||
| Magnesium, total recoverable | 1 | 1 | 0 | ||
| Sodium, total recoverable | 1 | 1 | 0 | ||
| Potassium, total recoverable | 1 | 1 | 0 | ||
| Chloride [as Cl] | 1 | 1 | 0 | ||
| Bicarbonate ion- [as HCO3] | 0 | 1 | 0 | ||
| Carbonate ion- [as CO3] | 0 | 1 | 0 | ||
| Nitrogen, nitrate total [as N] | 0 | 1 | 0 | ||
| Sulfate, total [as SO4] | 0 | 1 | 0 | ||
| Silica, total [as SiO2] | 0 | 1 | 0 | ||
| Chromium, trivalent total recoverable | 0 | 1 | 0 | ||
| Bioassay [96 hr.] | 0 | 1 | 0 | ||
| Chromium, hexavalent tot recoverable | 0 | 1 | 0 | ||
| Cyanide, total [as CN] | 2 | 0 | 0 | ||
| Chromium, hexavalent [as Cr] | 2 | 0 | 0 | ||
| Chromium, trivalent [as Cr] | 2 | 0 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 2 | 0 | 0 | ||
| Dichlorobromomethane | 2 | 0 | 0 | ||
| Carbon tetrachloride | 2 | 0 | 0 | ||
| 1,2-Dichloroethane | 2 | 0 | 0 | ||
| Bromoform | 2 | 0 | 0 | ||
| Dibromochloromethane | 2 | 0 | 0 | ||
| Chloroform | 2 | 0 | 0 | ||
| Toluene | 2 | 0 | 0 | ||
| Benzene | 2 | 0 | 0 | ||
| .delta.-BHC | 2 | 0 | 0 | ||
| Acenaphthylene | 2 | 0 | 0 | ||
| Acenaphthene | 2 | 0 | 0 | ||
| Acrolein | 2 | 0 | 0 | ||
| Acrylonitrile | 2 | 0 | 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 CA0004391.
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.