Clean Water Act discharge permit · NPDES SD0023582
FT. PIERRE, CITY OF, Fort Pierre, SD: NPDES SD0023582 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
FT. PIERRE, CITY OF, held by Ft. Pierre, City of, holds NPDES permit SD0023582, which discharges to Bad River. EPA’s file records it issued March 14, 2012 and expiring March 31, 2017. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | FT. PIERRE, CITY OF |
|---|---|
| Permittee as filed | Ft. Pierre, City of |
| NPDES ID | SD0023582 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | March 14, 2012 |
| Expiration date | March 31, 2017 |
| Issuing agency | SDDENR |
| Address | Fort Pierre, SD 57532 |
| Receiving water | Bad River |
| Subwatershed | Gray Blanket Creek-Bad River (HUC 101401022008) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 15Pollutants on file
- 11Under a numeric limit
- 15With a violation of any kind
- 7With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 4 | 76 | 44 | May 31, 2026 | 347% over the limit |
| Nitrogen, ammonia total [as N] | 16 | 67 | 39 | February 28, 2025 | 1,224% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 55 | 23 | July 31, 2026 | 70% over the limit |
| Coliform, total general | 4 | 55 | 18 | November 30, 2024 | 1,890% over the limit |
| pH | 4 | 40 | 12 | June 30, 2025 | |
| Coliform, fecal general | 2 | 21 | 4 | June 30, 2007 | 450% over the limit |
| E. coli, colony forming units [CFU] | 6 | 7 | 2 | May 31, 2019 | 214% over the limit |
| Temperature, water deg. centigrade | 4 | 31 | 0 | ||
| Flow rate | 4 | 27 | 0 | ||
| Duration of discharge | 2 | 12 | 0 | ||
| Chlorine, total residual | 0 | 10 | 0 | ||
| Flow | 0 | 6 | 0 | ||
| Flow, total | 2 | 5 | 0 | ||
| Nitrogen, total [as N] | 0 | 1 | 0 | ||
| Phosphorus, total [as P] | 0 | 1 | 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
- 6Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 18, 2025 | Dry-weather SSO, no discharge to waters of the U.S., that may endanger health or the environment | ST6 |
| January 21, 2025 | Dry-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| May 21, 2024 | PR: Failure to submit noncompliance report - CSO, SSO, or Bypass [40 CFR 122.41(l)(6) & (m)(3)(ii)] | ST6 |
| May 15, 2024 | Dry-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| December 26, 2023 | PR: Failure to submit noncompliance report - CSO, SSO, or Bypass [40 CFR 122.41(l)(6) & (m)(3)(ii)] | ST6 |
| December 20, 2023 | Dry-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
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
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, SD0023582.
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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 SD0023582 there.
Nearby on the register
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- Every permit record in South Dakota, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.