Clean Water Act discharge permit · NPDES SD0025887
ALPENA, TOWN OF, Alpena, SD: NPDES SD0025887 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
ALPENA, TOWN OF, held by Alpena, Town of, holds NPDES permit SD0025887, which discharges to Sand Creek. EPA’s file records it issued March 31, 2016 and expiring March 31, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | ALPENA, TOWN OF |
|---|---|
| Permittee as filed | Alpena, Town of |
| NPDES ID | SD0025887 |
| 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 31, 2016 |
| Expiration date | March 31, 2021 |
| Issuing agency | SDDENR |
| Address | Alpena, SD 57312 |
| Receiving water | Sand Creek |
| Subwatershed | Silver Creek-Sand Creek (HUC 101600061306) |
| Program components on file | POTW, Pretreatment |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 12Pollutants on file
- 12Under a numeric limit
- 4With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 2 | 16 | 16 | December 31, 2002 | 533% over the limit |
| Solids, total suspended | 2 | 14 | 14 | December 31, 2002 | 540% over the limit |
| pH | 2 | 6 | 6 | September 30, 2002 | |
| Nitrogen, ammonia total [as N] | 2 | 5 | 5 | September 30, 2002 | 167% over the limit |
| Temperature, water deg. centigrade | 2 | 0 | 0 | ||
| Flow rate | 2 | 0 | 0 | ||
| E. coli, colony forming units [CFU] | 2 | 0 | 0 | ||
| Flow, total | 1 | 0 | 0 | ||
| Flowing, Receiving Stream | 1 | 0 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 0 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 0 | 0 | ||
| Duration of discharge | 1 | 0 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 16, 2018 | WW SSO - Failure to report other violation | 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, SD0025887.
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 SD0025887 there.
Nearby on the register
- Discharge permits in Alpena
- Every permit record in Alpena, 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 October 14, 2026.