Clean Water Act discharge permit · NPDES SDR10K831
B-21: FORMAL TRAINING UNIT/AMU (FTU), Ellsworth Afb, SD: NPDES SDR10K831 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
B-21: FORMAL TRAINING UNIT/AMU (FTU), held by United States Army Corps of Engineers, holds NPDES permit SDR10K831. EPA’s file records it issued September 2, 2022 and expiring March 31, 2023. 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 B-21: FORMAL TRAINING UNIT/AMU (FTU): its NPDES ID, its permit type and status, its dates, its address in Ellsworth Afb, South Dakota. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES SDR10K831.
Identity
| Facility as filed | B-21: FORMAL TRAINING UNIT/AMU (FTU) |
|---|---|
| Permittee as filed | United States Army Corps of Engineers |
| NPDES ID | SDR10K831 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Federal facility |
| Program | Construction stormwater |
| Issued | September 2, 2022 |
| Expiration date | March 31, 2023 |
| Issuing agency | State |
| Address | Ellsworth Afb, SD 57706 |
| Subwatershed | Ellsworth Air Force Base-Boxelder Creek (HUC 101201110401) |
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 SDR10K831.
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 SDR10K831.
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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- One state — $4,990/year
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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 SDR10K831 there.
Nearby on the register
- Discharge permits in Ellsworth Afb
- Every permit record in Ellsworth Afb, 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.