Clean Water Act discharge permit · NPDES CA0081809
SIXTEEN TO ONE MINE, Alleghany, CA: NPDES CA0081809 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 154Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
SIXTEEN TO ONE MINE, held by Original Sixteen to One Mine, Inc., holds NPDES permit CA0081809, which discharges to Kanaka Creek. EPA’s file records it issued February 5, 2015 and expiring March 31, 2020. 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 | SIXTEEN TO ONE MINE |
|---|---|
| Permittee as filed | Original Sixteen to One Mine, Inc. |
| NPDES ID | CA0081809 |
| 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, 2015 |
| Expiration date | March 31, 2020 |
| Address | Alleghany, CA 95910 |
| Receiving water | Kanaka Creek |
| Subwatershed | Kanaka Creek (HUC 180201250504) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 154Pollutants on file
- 154Under a numeric limit
- 154With a violation of any kind
- 4With 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 154 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Antimony, total recoverable | 4 | 52 | 18 | June 30, 2026 | 464% over the limit |
| Arsenic, total recoverable | 4 | 50 | 16 | June 30, 2026 | 8,370% over the limit |
| Nickel, total recoverable | 4 | 43 | 9 | June 30, 2026 | 88% over the limit |
| Iron, total recoverable | 6 | 29 | 6 | June 30, 2026 | 719% over the limit |
| Cadmium, total recoverable | 4 | 34 | 0 | ||
| Lead, total recoverable | 4 | 34 | 0 | ||
| Copper, total recoverable | 4 | 34 | 0 | ||
| pH | 2 | 34 | 0 | ||
| Solids, total suspended | 2 | 34 | 0 | ||
| Specific conductance | 6 | 19 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 17 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 17 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 17 | 0 | ||
| Manganese, total recoverable | 6 | 15 | 0 | ||
| Zinc, total recoverable | 2 | 10 | 0 | ||
| Mercury, total recoverable | 2 | 10 | 0 | ||
| 96Hr Acute Ceriodaphn. Dubia % Srv | 2 | 2 | 0 | ||
| % Survival Static Renewal 96Hr Acute Pimephales promelas | 2 | 2 | 0 | ||
| TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) | 2 | 2 | 0 | ||
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | 2 | 2 | 0 | ||
| TU Static Renewal 7-Day Chronic Pimphales promelas | 2 | 2 | 0 | ||
| Temperature, water deg. centigrade | 1 | 1 | 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 | ||
| Sodium, total recoverable | 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 | ||
| 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 | ||
| Barium, total recoverable | 1 | 1 | 0 | ||
| Chromium, hexavalent [as Cr] | 1 | 1 | 0 | ||
| Chromium, trivalent [as Cr] | 1 | 1 | 0 | ||
| Silver total recoverable | 1 | 1 | 0 | ||
| Aluminum, total recoverable | 1 | 1 | 0 | ||
| Molybdenum, total recoverable | 1 | 1 | 0 | ||
| 2-Methyl-4,6-dinitrophenol | 1 | 1 | 0 | ||
| Tributyltin | 1 | 1 | 0 | ||
| Dichlorobromomethane | 1 | 1 | 0 | ||
| Carbon tetrachloride | 1 | 1 | 0 | ||
| 1,2-Dichloroethane | 1 | 1 | 0 | ||
| Bromoform | 1 | 1 | 0 | ||
| Dibromochloromethane | 1 | 1 | 0 | ||
| Chloroform | 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 |
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 CA0081809.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 September 15, 2026.