Clean Water Act discharge permit · NPDES SD0026883
LAC MINERALS (USA) LLC, Lead, SD: NPDES SD0026883 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 29Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
LAC MINERALS (USA) LLC, held by LAC Minerals (USA) LLC, holds NPDES permit SD0026883, which discharges to Spruce,West,North,&Rubicon Gulch. EPA’s file records it issued June 14, 2005 and expiring June 30, 2010. 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 | LAC MINERALS (USA) LLC |
|---|---|
| Permittee as filed | LAC Minerals (USA) LLC |
| NPDES ID | SD0026883 |
| 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 | June 14, 2005 |
| Expiration date | June 30, 2010 |
| Issuing agency | SDDANR |
| Address | Lead, SD 57754 |
| Receiving water | SPRUCE,WEST,NORTH,&RUBICON GULCH |
| Subwatershed | Middle Spearfish Creek (HUC 101202030302) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 29Pollutants on file
- 29Under a numeric limit
- 2With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 14 | 5 | 1 | April 30, 2012 | 94% over the limit |
| Selenium, total recoverable | 14 | 1 | 1 | January 31, 2004 | 120% over the limit |
| Flow rate | 16 | 0 | 0 | ||
| pH | 16 | 0 | 0 | ||
| Temperature, water deg. centigrade | 14 | 0 | 0 | ||
| Cyanide, weak acid, dissociable | 14 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 14 | 0 | 0 | ||
| Arsenic, total recoverable | 14 | 0 | 0 | ||
| Nickel, total recoverable | 14 | 0 | 0 | ||
| Silver total recoverable | 14 | 0 | 0 | ||
| Zinc, total recoverable | 14 | 0 | 0 | ||
| Cadmium, total recoverable | 14 | 0 | 0 | ||
| Lead, total recoverable | 14 | 0 | 0 | ||
| Chromium, total recoverable | 14 | 0 | 0 | ||
| Copper, total recoverable | 14 | 0 | 0 | ||
| Mercury, total recoverable | 14 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 10 | 0 | 0 | ||
| Nitrogen, nitrate total [as N] | 10 | 0 | 0 | ||
| Iron, total recoverable | 10 | 0 | 0 | ||
| Aluminum, total recoverable | 10 | 0 | 0 | ||
| Solids, total dissolved | 10 | 0 | 0 | ||
| Sodium, total [as Na] | 8 | 0 | 0 | ||
| Sulfate, total [as SO4] | 8 | 0 | 0 | ||
| Hydrocarbons, petroleum | 8 | 0 | 0 | ||
| Oil and grease visual | 8 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 4 | 0 | 0 | ||
| Pass/Fail Static Renewal 48Hr Acute Ceriodaphnia dubia | 4 | 0 | 0 | ||
| Pass/Fail Static Renewal 96Hr Acute Pimephales Promelas | 4 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 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 SD0026883.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, SD0026883.
Start the watch
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- One watershed — $2,990/year
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How we handle your data → Privacy
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 SD0026883 there.
Nearby on the register
- Discharge permits in Lead
- Every permit record in Lead, A to Z
- Discharge permits in South Dakota
- Every permit record in South Dakota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.