Clean Water Act discharge permit · NPDES SDR10P5WK
LINCOLN COUNTY SUBSTATION GRADING, Harrisburg, SD: NPDES SDR10P5WK discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
LINCOLN COUNTY SUBSTATION GRADING, held by East River Electric Power Cooperative, Inc., holds NPDES permit SDR10P5WK. EPA’s file records it issued May 18, 2026 and expiring October 31, 2028. 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.
What the register holds for LINCOLN COUNTY SUBSTATION GRADING: its NPDES ID, its permit type and status, its dates, its address in Harrisburg, South Dakota. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES SDR10P5WK.
Identity
| Facility as filed | LINCOLN COUNTY SUBSTATION GRADING |
|---|---|
| Permittee as filed | East River Electric Power Cooperative, Inc. |
| NPDES ID | SDR10P5WK |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | May 18, 2026 |
| Expiration date | October 31, 2028 |
| Issuing agency | SDDANR |
| Address | Harrisburg, SD 57032 |
| Subwatershed | Spring Creek (HUC 101702031703) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES SDR10P5WK.
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 SDR10P5WK.
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 SDR10P5WK there.
Nearby on the register
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- Every permit record in Harrisburg, 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.