Clean Water Act discharge permit · NPDES IA0079961
WINTERSET WATER TREATMENT PLANT, Winterset, IA: NPDES IA0079961 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 2Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
WINTERSET WATER TREATMENT PLANT, held by WINTERSET WATER UTILITY, holds NPDES permit IA0079961. EPA’s file records it issued November 1, 2018 and expiring October 31, 2023. 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 | WINTERSET WATER TREATMENT PLANT |
|---|---|
| Permittee as filed | WINTERSET WATER UTILITY |
| NPDES ID | IA0079961 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 1, 2018 |
| Expiration date | October 31, 2023 |
| Issuing agency | STA |
| Address | Winterset, IA 50273 |
| Subwatershed | Cedar Creek (HUC 071000080401) |
| NAICS | 221310 – Water Supply and Irrigation Systems |
| SIC | 4941 – Water Supply |
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
- 2Pollutants on file
- 2Under a numeric limit
- 2With a violation of any kind
- 2With 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 | 2 | 8 | 6 | October 31, 2021 | 189% over the limit |
| pH | 2 | 5 | 5 | August 31, 2017 |
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 IA0079961.
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 IA0079961 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.