Clean Water Act discharge permit · NPDES SD0022454
IRENE, CITY OF, Irene, SD: NPDES SD0022454 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
IRENE, CITY OF, held by Irene, City of, holds NPDES permit SD0022454, which discharges to Unnamed Trib Of Turkey Creek. EPA’s file records it issued October 12, 2017 and expiring September 30, 2022. 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 | IRENE, CITY OF |
|---|---|
| Permittee as filed | Irene, City of |
| NPDES ID | SD0022454 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | October 12, 2017 |
| Expiration date | September 30, 2022 |
| Issuing agency | SDDENR |
| Address | Irene, SD 57037 |
| Receiving water | UNNAMED TRIB OF TURKEY CREEK |
| Subwatershed | Lower Turkey Creek (HUC 101701021702) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 16Pollutants on file
- 10Under a numeric limit
- 15With a violation of any kind
- 5With 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] | 24 | 20 | 10 | June 30, 2024 | 364% over the limit |
| Solids, total suspended | 2 | 17 | 8 | September 30, 2018 | 203% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 14 | 5 | September 30, 2018 | 50% over the limit |
| pH | 2 | 13 | 5 | August 31, 2010 | |
| Coliform, fecal general | 0 | 1 | 1 | August 31, 2010 | 400% over the limit |
| Temperature, water deg. centigrade | 2 | 14 | 0 | ||
| Flow rate | 2 | 12 | 0 | ||
| E. coli, colony forming units [CFU] | 2 | 6 | 0 | ||
| Nitrogen, total [as N] | 0 | 3 | 0 | ||
| Duration | 0 | 3 | 0 | ||
| Chlorine, total residual | 0 | 3 | 0 | ||
| Flow, total | 0 | 3 | 0 | ||
| Flow, total | 1 | 2 | 0 | ||
| Phosphorus, total [as P] | 0 | 2 | 0 | ||
| Duration of discharge | 1 | 1 | 0 | ||
| Flowing, Receiving Stream | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES SD0022454.
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, SD0022454.
Start the watch
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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 SD0022454 there.
Nearby on the register
- Discharge permits in Irene
- Every permit record in Irene, 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.