Clean Water Act discharge permit · NPDES MTX000205
AMERICAN PACIFIC MINING CORP- MADISON PROJECT, Silver Star, MT: NPDES MTX000205 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 28Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
AMERICAN PACIFIC MINING CORP- MADISON PROJECT, held by BROADWAY GOLD CORPORATION, holds NPDES permit MTX000205, which discharges to Cherry Creek & Jefferson River. EPA’s file records it issued October 27, 2014 and expiring December 31, 2019. 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 | AMERICAN PACIFIC MINING CORP- MADISON PROJECT |
|---|---|
| Permittee as filed | BROADWAY GOLD CORPORATION |
| NPDES ID | MTX000205 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | State-issued individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | October 27, 2014 |
| Expiration date | December 31, 2019 |
| Address | Silver Star, MT 59751 |
| Receiving water | CHERRY CREEK & JEFFERSON RIVER |
| Subwatershed | Jefferson River-Silver Star (HUC 100200050104) |
| SIC | 1041 – Gold Ores |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 35Pollutants on file
- 28Under a numeric limit
- 33With 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.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Cadmium, total recoverable | 0 | 21 | 20 | July 31, 2014 | 185% over the limit |
| Zinc, dissolved [as Zn] | 4 | 16 | 8 | July 31, 2020 | 757% over the limit |
| Cadmium, dissolved [as Cd] | 4 | 12 | 7 | September 30, 2020 | 132% over the limit |
| Uranium, potentially dissolvd | 0 | 8 | 7 | March 31, 2013 | 58% over the limit |
| Lead, dissolved [as Pb] | 4 | 10 | 3 | January 31, 2018 | 95% over the limit |
| Uranium, dissolved | 3 | 5 | 1 | June 30, 2017 | 7% over the limit |
| Arsenic, dissolved [as As] | 3 | 3 | 1 | March 31, 2013 | 15% over the limit |
| pH | 4 | 13 | 0 | ||
| Specific conductance | 3 | 6 | 0 | ||
| Nitrogen, ammonia total [as N] | 3 | 4 | 0 | ||
| Cyanide, total [as CN] | 3 | 4 | 0 | ||
| Iron, dissolved [as Fe] | 3 | 4 | 0 | ||
| Silver, dissolved [as Ag] | 3 | 4 | 0 | ||
| Antimony, dissolved [as Sb] | 3 | 4 | 0 | ||
| Mercury, dissolved [as Hg] | 3 | 4 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 3 | 3 | 0 | ||
| Phosphorus, total [as P] | 3 | 3 | 0 | ||
| Beryllium, dissolved [as Be] | 3 | 3 | 0 | ||
| Chromium, dissolved [as Cr] | 3 | 3 | 0 | ||
| Copper, dissolved [as Cu] | 3 | 3 | 0 | ||
| Manganese, dissolved [as Mn] | 3 | 3 | 0 | ||
| Thallium, dissolved [as Tl] | 3 | 3 | 0 | ||
| Nickel, dissolved [as Ni] | 3 | 3 | 0 | ||
| Flow rate | 1 | 3 | 0 | ||
| Nitrite + Nitrate total [as N] | 3 | 2 | 0 | ||
| Selenium, dissolved [as Se] | 3 | 2 | 0 | ||
| Temperature, water deg. centigrade | 2 | 2 | 0 | ||
| Nitrogen, total [as N] | 3 | 1 | 0 | ||
| Beryllium, total [as Be] | 0 | 1 | 0 | ||
| Thallium, total [as Tl] | 0 | 1 | 0 | ||
| Nickel, total recoverable | 0 | 1 | 0 | ||
| Lead, total recoverable | 0 | 1 | 0 | ||
| Chromium, total recoverable | 0 | 1 | 0 | ||
| Solids, total dissolved [TDS] | 2 | 0 | 0 | ||
| Water level at sample collection time | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 16, 2024 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| July 16, 2024 | Management Practice Violations - Failure to Maintain Records | ST6 |
| July 16, 2024 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| July 16, 2024 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
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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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID MTX000205 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.