Clean Water Act discharge permit · NPDES SD0027871
BLACK HILLS CORP LCTF, Rapid City, SD: NPDES SD0027871 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
BLACK HILLS CORP LCTF holds NPDES permit SD0027871, which discharges to Unnamed Tributarty Of Rapid Creek. EPA’s file records it issued April 19, 2007 and expiring June 30, 2012. 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 | BLACK HILLS CORP LCTF |
|---|---|
| Permittee as filed | BLACK HILLS CORP LCTF |
| NPDES ID | SD0027871 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | April 19, 2007 |
| Expiration date | June 30, 2012 |
| Issuing agency | SDDENR |
| Address | Rapid City, SD 57709 |
| Receiving water | UNNAMED TRIBUTARTY OF RAPID CREEK |
| Subwatershed | Canyon Lake-Rapid Creek (HUC 101201100202) |
| NAICS | 221122 – Electric Power Distribution |
| SIC | 4911 – Electric Services |
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
- 11Pollutants on file
- 11Under a numeric limit
- 10With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 1 | 3 | 1 | June 30, 2002 | 216% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 1 | 1 | April 30, 2002 | 80% over the limit |
| Oil and grease, hexane extr method | 1 | 4 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 2 | 0 | ||
| Flow rate | 2 | 2 | 0 | ||
| Conductivity | 2 | 2 | 0 | ||
| pH | 2 | 2 | 0 | ||
| Solids, total dissolved | 2 | 2 | 0 | ||
| Floating solids, waste or visible foam-visual | 1 | 1 | 0 | ||
| Oil and grease visual | 1 | 1 | 0 | ||
| Solids, total suspended | 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 SD0027871.
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 SD0027871 there.
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- Every permit record in South Dakota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.