NPDES SDR10P5V4 · Clean Water Act
MINNEHAHA COUNTY SUBSTATION GRADING, Lyons, SD: NPDES SDR10P5V4 discharge permit, effluent exceedances, inspections, penalties
MINNEHAHA COUNTY SUBSTATION GRADING, Lyons, South Dakota: General permit coverage SDR10P5V4, held by East River Electric Power Cooperative, Inc.; Construction stormwater; Effective; issued March 30, 2026, term to October 31, 2028, by SDDANR.
South Dakota holds 1,358 Construction stormwater coverages of this permit type in EPA’s file; 1,130 were issued before SDR10P5V4. East River Electric Power Cooperative, Inc. holds 5 permits in South Dakota.
Other permits held by East River Electric Power Cooperative, Inc.
- KINGSBURY COUNTY SWITCHING STATION GRADING, Lake Preston: SDR10P5M0, issued 2025-05-28
- MANCHESTER SUBSTATION GRADING, Iroquois: SDR10P5MN, issued 2025-06-30
- MARION INDUSTRIAL SUBSTATION GRADING, Marion: SDR10P5OY, issued 2025-10-31
- LINCOLN COUNTY SUBSTATION GRADING, Harrisburg: SDR10P5WK, issued 2026-05-18
Coverages issued nearest SDR10P5V4
- 2026-03-30: LEGACY COURT UTILITY AND STREET IMPROVEMENTS, Mitchell: SDR10P5U1, held by Groeneweg Construction
- 2026-03-30: RAISING CANE'S #C1547 SIOUX FALLS, SD, Sioux Falls: SDR10P5UA, held by Zernco, Inc.
- 2026-03-30: B-21 EAST ALERT APRON EPS, Ellsworth Air Force Base: SDR10P5UV, held by BRYAN CONSTRUCTION
- 2026-03-30: EAST 5TH AVENUE RECONSTRUCTION, Mitchell: SDR10P5V1, held by Halme, Inc.
- 2026-03-30: EAST 6TH AVE RECONSTRUCTION, Mitchell: SDR10P5V3, held by Metro Construction Inc.
- 2026-03-30: ROCHFORD MINERAL EXPLORATION, Rochford: SDR10P5V5, held by Pete Lien & Sons, Inc.
- 2026-04-07: OAHE DAM SPILLWAY REHABILITATION, Fort Pierre: SDR10P5UK, held by Construction Leaders Company, LLC
- 2026-04-20: BMU RAW & TREATED WATER PIPELINE - PHASE 6, Brookings: SDR10P5UG, held by Brookings Municipal Utilities
- 2026-04-20: HWY 105 & HWY 116 ROUNDABOUT, Lennox: SDR10P5UI, held by BX Civil & Construction
- 2026-04-20: XCEL ENERGY - SIOUX FALLS SERVICE CENTER, Sioux Falls: SDR10P5UM, held by Runge Enterprises
MINNEHAHA COUNTY SUBSTATION GRADING among its neighbors
3 discharge permits are in the Jensen Creek-Skunk Creek subwatershed (HUC 101702031003); SDR10P5V4 is one.
Other permits in the Jensen Creek-Skunk Creek subwatershed (HUC 101702031003)
- MCWC WEST LINE WATER DISTRIBUTION IMPROVEMENTS, Dell Rapids: SDR10P5X9, minor, term to 2028-10-31
- NEW HS & SITE/ATHLETIC IMPROVEMENTS, Colton: SDR10K834, minor, term to 2023-03-31
Identity
| Facility | MINNEHAHA COUNTY SUBSTATION GRADING |
|---|---|
| Permittee | East River Electric Power Cooperative, Inc. |
| NPDES ID | SDR10P5V4 |
| Status | Effective |
| Type | General permit coverage |
| Class | Minor |
| Facility type | Non-POTW |
| Program | Construction stormwater |
| Issued | March 30, 2026 |
| Expires | October 31, 2028 |
| Agency | SDDANR |
| Address | Lyons, SD 57041 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Jensen Creek-Skunk Creek (HUC 101702031003) |
NPDES SDR10P5V4: effluent limits and exceedances
MINNEHAHA COUNTY SUBSTATION GRADING (NPDES SDR10P5V4): 0 pollutants on file, 0 limited; 0 with a violation of any kind, 0 with an exceedance.
NPDES SDR10P5V4: no pollutant row on file.
NPDES SDR10P5V4: inspections, violations and enforcement
NPDES SDR10P5V4 (MINNEHAHA COUNTY SUBSTATION GRADING): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES SDR10P5V4
NPDES SDR10P5V4: one email when its EPA record changes — $99/month.
Permits near NPDES SDR10P5V4
NPDES SDR10P5V4: 0 pollutant rows, 0 dated events; ICIS-NPDES download, loaded September 15, 2026.