Clean Water Act discharge permit · NPDES SDR10P5UI
HWY 105 & HWY 116 ROUNDABOUT, Lennox, SD: NPDES SDR10P5UI discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
HWY 105 & HWY 116 ROUNDABOUT, held by BX Civil & Construction, holds NPDES permit SDR10P5UI. EPA’s file records it issued April 20, 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 HWY 105 & HWY 116 ROUNDABOUT: its NPDES ID, its permit type and status, its dates, its address in Lennox, South Dakota. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES SDR10P5UI.
Identity
| Facility as filed | HWY 105 & HWY 116 ROUNDABOUT |
|---|---|
| Permittee as filed | BX Civil & Construction |
| NPDES ID | SDR10P5UI |
| 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 | April 20, 2026 |
| Expiration date | October 31, 2028 |
| Issuing agency | SDDANR |
| Address | Lennox, SD 57039 |
| Subwatershed | Lake Albert (HUC 101701021002) |
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 SDR10P5UI.
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 SDR10P5UI.
Inspections
EPA’s inspection file holds no inspection for NPDES SDR10P5UI.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES SDR10P5UI.
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, SDR10P5UI.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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 SDR10P5UI there.
HWY 105 & HWY 116 ROUNDABOUT, Lennox, South Dakota: Coverage under a general permit SDR10P5UI, held by BX Civil & Construction; Construction stormwater; Effective; issued April 20, 2026, term to October 31, 2028, by SDDANR.
South Dakota holds 1,358 Construction stormwater coverages of this permit type in EPA’s file; 1,138 were issued before SDR10P5UI. BX Civil & Construction holds 3 permits in South Dakota.
Other permits held by BX Civil & Construction
- MINNEHAHA CO STR 50-149-140, Crooks: SDR10P5WS, issued 2026-05-26
- BOX CULVERT PROJECT BRF 6308(00)26-2, Castlewood: SDR10P5YB, issued 2026-05-27
Coverages issued nearest SDR10P5UI
- 2026-03-30: EAST 6TH AVE RECONSTRUCTION, Mitchell: SDR10P5V3, held by Metro Construction Inc.
- 2026-03-30: MINNEHAHA COUNTY SUBSTATION GRADING, Lyons: SDR10P5V4, held by East River Electric Power Cooperative, 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: XCEL ENERGY - SIOUX FALLS SERVICE CENTER, Sioux Falls: SDR10P5UM, held by Runge Enterprises
- 2026-04-20: 3604 W. HOVLAND DRIVE, Sioux Falls: SDR10P5V9, held by Robert D Jellis & Kathleen Jellis
- 2026-04-20: CLAY RURAL WATER SERVICE, Wakonda: SDR10P5VU, held by Clay Rural Water System
- 2026-04-28: WASTEWATER SYSTEM IMPROVEMENTS PHASE 3 - COLLECTION SYSTEM IMPROVEMENTS, Dupree: SDR10I04G, held by City of Dupree
- 2026-05-01: RICHMOND LAKE DAM & SPILLWAY, Aberdeen: SDR10P5WG, held by South Dakota Office of the State Engineer
HWY 105 & HWY 116 ROUNDABOUT among its neighbors
3 discharge permits are in the Lake Albert subwatershed (HUC 101701021002); SDR10P5UI is one.
Other permits in the Lake Albert subwatershed (HUC 101701021002)
- DROGE ADDITION, Lennox: SDR10P5LR, minor, term to 2028-10-31
- WILSON TRAILER EXPANSION, Lennox: SDR10K793, minor, term to 2023-03-31
Nearby on the register
- Discharge permits in Lennox
- Every permit record in Lennox, 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.
What this page shows
The HWY 105 & HWY 116 ROUNDABOUT permit is one of 5 storm water construction permits in Lennox, this one included, and it is among 3 NPDES permits in the Lake Albert subwatershed, this one included. Of those 5 Lennox storm water construction permits, 80.0% were issued earlier than this one, and 0.0% of them have a violation on file, so this permit has none of the recorded violations among its peers.