Clean Water Act discharge permit · NPDES AK0050571
KENSINGTON GOLD MINE- APDES, Juneau, AK: NPDES AK0050571 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 26Pollutants under a numeric limit
- 23Pollutants with an effluent exceedance
KENSINGTON GOLD MINE- APDES, held by Stephen Ball - Coeur Alaska, Inc., holds NPDES permit AK0050571. EPA’s file records it issued December 19, 2019 and expiring May 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | KENSINGTON GOLD MINE- APDES |
|---|---|
| Permittee as filed | Stephen Ball - Coeur Alaska, Inc. |
| NPDES ID | AK0050571 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 19, 2019 |
| Expiration date | May 31, 2022 |
| Issuing agency | Alaska Department of Environmental Conservation |
| Address | Juneau, AK 99801 |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 39Pollutants on file
- 26Under a numeric limit
- 38With a violation of any kind
- 23With 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.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Aluminum, total recoverable | 6 | 25 | 15 | January 31, 2013 | 1,166% over the limit |
| Toxicity, final conc toxicity units | 4 | 21 | 15 | October 31, 2023 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 17 | 11 | December 31, 2025 | 180% over the limit |
| Solids, total suspended | 6 | 28 | 10 | March 31, 2011 | 133% over the limit |
| Copper, total recoverable | 6 | 29 | 9 | April 30, 2023 | 154% over the limit |
| pH | 4 | 25 | 9 | July 31, 2023 | |
| Iron, total recoverable | 6 | 18 | 8 | March 31, 2012 | 62% over the limit |
| Manganese, total recoverable | 6 | 14 | 8 | November 30, 2014 | 244% over the limit |
| Turbidity | 8 | 19 | 7 | June 30, 2014 | |
| Sulfate | 4 | 7 | 7 | August 31, 2016 | 18% over the limit |
| Cadmium, total recoverable | 6 | 23 | 5 | July 31, 2013 | 230% over the limit |
| Solids, total dissolved | 6 | 13 | 5 | December 31, 2020 | 24% over the limit |
| Sulfate [as S] | 0 | 11 | 5 | March 31, 2011 | 24% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 5 | 5 | June 30, 1999 | 967% over the limit |
| Flow, in conduit or thru treatment plant | 5 | 20 | 3 | October 31, 2023 | 3% over the limit |
| Lead, total recoverable | 6 | 20 | 2 | June 30, 2005 | 190% over the limit |
| Mercury, total [as Hg] | 4 | 12 | 2 | May 31, 2004 | 420% over the limit |
| Sulfate, total [as SO4] | 2 | 2 | 2 | July 31, 2017 | 5% over the limit |
| Chromium, total recoverable | 0 | 2 | 2 | June 30, 2002 | 29,775% over the limit |
| Silver total recoverable | 2 | 19 | 1 | June 30, 2012 | 1,900% over the limit |
| Selenium, total recoverable | 2 | 11 | 1 | December 31, 2007 | 61% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 8 | 1 | July 31, 2007 | 32% over the limit |
| Fecal coliform, MPN, EC med, 44.5 C | 0 | 3 | 1 | December 31, 2005 | 21% over the limit |
| Zinc, total recoverable | 6 | 18 | 0 | ||
| Nickel, total recoverable | 4 | 18 | 0 | ||
| Arsenic, total recoverable | 0 | 10 | 0 | ||
| Chromium, hexavalent [as Cr] | 0 | 10 | 0 | ||
| Chromium, total [as Cr] | 0 | 10 | 0 | ||
| Hardness, total [as CaCO3] | 4 | 8 | 0 | ||
| Temperature, water deg. centigrade | 4 | 6 | 0 | ||
| Nitrogen, nitrate total [as N] | 4 | 6 | 0 | ||
| Oxygen, dissolved [DO] | 4 | 4 | 0 | ||
| Floating solids, waste or visible foam-visual | 0 | 4 | 0 | ||
| Flow | 0 | 4 | 0 | ||
| Chlorine, total residual | 6 | 2 | 0 | ||
| Cadmium, dissolved [as Cd] | 0 | 2 | 0 | ||
| BOD, 5-day, percent removal | 0 | 2 | 0 | ||
| Solids, suspended percent removal | 0 | 2 | 0 | ||
| Mercury, total recoverable | 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 AK0050571.
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 14, 2026.