Clean Water Act discharge permit · NPDES SDP000119
HOMESTAKE MINING COMPANY, Central City, SD: NPDES SDP000119 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
HOMESTAKE MINING COMPANY, held by Homestake Mining Company, holds NPDES permit SDP000119, which discharges to Lead-Deadwood Sanitary District Pot. EPA’s file records it issued January 1, 2019 and expiring December 31, 2023. 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 | HOMESTAKE MINING COMPANY |
|---|---|
| Permittee as filed | Homestake Mining Company |
| NPDES ID | SDP000119 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual industrial user permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | January 1, 2019 |
| Expiration date | December 31, 2023 |
| Issuing agency | SDDANR |
| Address | Central City, SD 57754 |
| Receiving water | Lead-Deadwood Sanitary District POT |
| NAICS | 212221 – Gold Ore Mining |
| SIC | 1041 – Gold Ores |
| Other EPA IDs (FRS) | RCRA handler SDD041243833 |
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
- 13Pollutants on file
- 11Under a numeric limit
- 8With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| pH | 4 | 15 | 3 | July 31, 2019 | |
| Solids, total suspended | 4 | 12 | 0 | ||
| Arsenic, total [as As] | 4 | 12 | 0 | ||
| Copper, total [as Cu] | 4 | 12 | 0 | ||
| Selenium, total [as Se] | 4 | 12 | 0 | ||
| Solids, total dissolved | 4 | 12 | 0 | ||
| Flow | 0 | 12 | 0 | ||
| Phosphate, total [as PO4] | 0 | 2 | 0 | ||
| Flow rate | 4 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 4 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 0 | 0 | ||
| Phosphorus, total [as P] | 4 | 0 | 0 | ||
| Flow, total | 1 | 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 SDP000119.
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.
Watch this permit
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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 SDP000119 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.