Clean Water Act discharge permit · NPDES SD0022144
ESTELLINE, CITY OF, Estelline, SD: NPDES SD0022144 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
ESTELLINE, CITY OF, held by Estelline, City of, holds NPDES permit SD0022144, which discharges to Big Sioux River. EPA’s file records it issued March 29, 2013 and expiring March 31, 2018. 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.
Identity
| Facility as filed | ESTELLINE, CITY OF |
|---|---|
| Permittee as filed | Estelline, City of |
| NPDES ID | SD0022144 |
| 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 29, 2013 |
| Expiration date | March 31, 2018 |
| Issuing agency | SDDENR |
| Address | Estelline, SD 57234 |
| Receiving water | Big Sioux River |
| Subwatershed | Hidewood Creek-Big Sioux River (HUC 101702021102) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 14Pollutants on file
- 10Under a numeric limit
- 14With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 4 | 122 | 12 | May 31, 2026 | 468% over the limit |
| E. coli, colony forming units [CFU] | 4 | 7 | 3 | August 31, 2025 | 121% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 112 | 2 | January 31, 2025 | 48% over the limit |
| Temperature, water deg. centigrade | 2 | 110 | 0 | ||
| Flow rate | 2 | 110 | 0 | ||
| pH | 2 | 110 | 0 | ||
| Solids, total suspended | 2 | 110 | 0 | ||
| Coliform, total general | 0 | 100 | 0 | ||
| Duration | 0 | 50 | 0 | ||
| Chlorine, total residual | 0 | 50 | 0 | ||
| Coliform, fecal general | 2 | 36 | 0 | ||
| Flow | 0 | 20 | 0 | ||
| Flow, total | 1 | 5 | 0 | ||
| Duration of discharge | 1 | 5 | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| February 9, 2025 | PR: Failure to submit noncompliance report - CSO, SSO, or Bypass [40 CFR 122.41(l)(6) & (m)(3)(ii)] | ST6 |
| February 4, 2025 | PR: Failure to submit noncompliance report - CSO, SSO, or Bypass [40 CFR 122.41(l)(6) & (m)(3)(ii)] | ST6 |
| February 3, 2025 | Dry-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| January 29, 2025 | 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
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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 SD0022144 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 15, 2026.