Clean Water Act discharge permit · NPDES SD0025852
WHARF RESOURCES (USA), INC., Lead, SD: NPDES SD0025852 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 28Pollutants under a numeric limit
- 13Pollutants with an effluent exceedance
WHARF RESOURCES (USA), INC., held by Wharf Resources (USA), Inc., holds NPDES permit SD0025852, which discharges to Spearfish Creek. EPA’s file records it issued July 24, 2006 and expiring June 30, 2011. 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 | WHARF RESOURCES (USA), INC. |
|---|---|
| Permittee as filed | Wharf Resources (USA), Inc. |
| NPDES ID | SD0025852 |
| 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 |
| Program | Industrial stormwater |
| Issued | July 24, 2006 |
| Expiration date | June 30, 2011 |
| Issuing agency | SDDANR |
| Address | Lead, SD 57754 |
| Receiving water | SPEARFISH CREEK |
| Subwatershed | Upper Whitewood Creek (HUC 101202020207) |
| NAICS | 212221 – Gold Ore Mining |
| SIC | 1041 – Gold Ores |
| Other EPA IDs (FRS) | RCRA handler SD0000269795; ICIS-AIR source SD0000004608100114 |
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
- 31Pollutants on file
- 28Under a numeric limit
- 17With a violation of any kind
- 13With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 55 | 41 | 41 | November 30, 2007 | 1,534% over the limit |
| Selenium, total recoverable | 38 | 19 | 19 | May 31, 2024 | 134% over the limit |
| BOD, 5-day, 20 deg. C | 55 | 13 | 13 | September 30, 2008 | 1,700% over the limit |
| Cyanide, weak acid, dissociable | 49 | 11 | 11 | September 30, 2009 | 165% over the limit |
| Solids, total suspended | 57 | 6 | 6 | June 30, 2023 | 546% over the limit |
| Mercury, total recoverable | 19 | 4 | 4 | May 31, 2013 | 1,567% over the limit |
| Oxygen, dissolved [DO] | 72 | 3 | 3 | July 31, 2008 | 84% over the limit |
| pH | 56 | 3 | 3 | August 31, 2008 | |
| Arsenic, total recoverable | 37 | 3 | 3 | June 30, 2023 | 57% over the limit |
| Lead, total recoverable | 19 | 3 | 3 | July 31, 2025 | 213% over the limit |
| Floating solids, waste or visible foam-visual | 27 | 2 | 2 | September 30, 2008 | |
| Pass/Fail Static Renewal 96Hr Acute Pimephales Promelas | 10 | 3 | 1 | June 30, 2006 | |
| Selenate, Total Recoverable | 0 | 1 | 1 | April 30, 2024 | 17% over the limit |
| Chromium, trivalent total recoverable | 0 | 6 | 0 | ||
| Pass/Fail Static Renewal 48Hr Acute Ceriodaphnia dubia | 10 | 2 | 0 | ||
| Chromium, hexavalent tot recoverable | 0 | 2 | 0 | ||
| Hydrocarbons, petroleum | 29 | 1 | 0 | ||
| Temperature, water deg. centigrade | 55 | 0 | 0 | ||
| Flow rate | 55 | 0 | 0 | ||
| Chlorine, total residual | 43 | 0 | 0 | ||
| Oil and grease visual | 28 | 0 | 0 | ||
| Nitrogen, nitrate total [as N] | 19 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 19 | 0 | 0 | ||
| Silver total recoverable | 19 | 0 | 0 | ||
| Zinc, total recoverable | 19 | 0 | 0 | ||
| Cadmium, total recoverable | 19 | 0 | 0 | ||
| Chromium, total recoverable | 19 | 0 | 0 | ||
| Copper, total recoverable | 19 | 0 | 0 | ||
| Solids, total dissolved | 19 | 0 | 0 | ||
| Phosphorus, dissolved | 6 | 0 | 0 | ||
| Nickel, total recoverable | 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 SD0025852.
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, SD0025852.
Start the watch
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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 SD0025852 there.
Nearby on the register
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- 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 October 14, 2026.