Clean Water Act discharge permit · NPDES IA0032441
RUTHVEN CITY OF STP, Ruthven, IA: NPDES IA0032441 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
RUTHVEN CITY OF STP, held by CITY OF RUTHVEN, holds NPDES permit IA0032441. EPA’s file records it issued March 1, 2021 and expiring February 28, 2026. 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 | RUTHVEN CITY OF STP |
|---|---|
| Permittee as filed | CITY OF RUTHVEN |
| NPDES ID | IA0032441 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | March 1, 2021 |
| Expiration date | February 28, 2026 |
| Issuing agency | STA |
| Address | Ruthven, IA 51358 |
| Subwatershed | Ditch Number 60 (HUC 102300030703) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 8Pollutants on file
- 7Under a numeric limit
- 6With 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 |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 0 | 113 | 110 | July 31, 2011 | 565% over the limit |
| pH | 5 | 10 | 7 | April 30, 2026 | |
| Solids, total suspended | 8 | 6 | 3 | November 30, 2017 | 32% over the limit |
| Nitrogen, ammonia total [as N] | 48 | 3 | 3 | November 30, 2025 | 63% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 5 | 5 | 2 | September 30, 2006 | 26% over the limit |
| E. coli | 3 | 1 | 0 | ||
| BOD, 5-day, 20 deg. C | 5 | 0 | 0 | ||
| Depth of pond or reservoir in feet | 3 | 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 IA0032441.
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 IA0032441 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.