Clean Water Act discharge permit · NPDES IA0080454
MISSOURI VALLEY CITY OF WTP, Missouri Valley, IA: NPDES IA0080454 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 3Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
MISSOURI VALLEY CITY OF WTP, held by CITY OF MISSOURI VALLEY, holds NPDES permit IA0080454. EPA’s file records it issued May 1, 2019 and expiring April 30, 2024.
MISSOURI VALLEY CITY OF WTP, Missouri Valley, Iowa: Individual permit IA0080454, held by CITY OF MISSOURI VALLEY; Administratively continued (past its expiration date and still in force until reissued); issued May 1, 2019, term to April 30, 2024, by STA; Water Supply and Irrigation Systems.
- Solids, total suspended: 4 limits, 62 violations of any kind, 48 effluent exceedances, latest February 28, 2025, largest 16,310% over the limit.
- Iron, total [as Fe]: 4 limits, 49 violations of any kind, 37 effluent exceedances, latest April 30, 2026, largest 11,222% over the limit.
- Chlorine, total residual: 0 limits, 10 violations of any kind, 10 effluent exceedances, latest December 31, 2018, largest 2,039% over the limit.
- pH: 2 limits, 2 violations of any kind, 0 effluent exceedances.
Other permits held by CITY OF MISSOURI VALLEY
- MISSOURI VALLEY CITY OF STP, Missouri Valley: IA0026654, issued February 14, 2007
MISSOURI VALLEY CITY OF WTP among its neighbors
EPA’s permit file holds 2 discharge permits in the Lower Willow Creek subwatershed (HUC 102300070403), IA0080454 among them. Its county holds 10, 0 of them major permits; IA0080454 is a minor permit.
Other permits in the Lower Willow Creek subwatershed (HUC 102300070403)
- MISSOURI VALLEY CITY OF STP, Missouri Valley: IA0026654, minor permit, permit term to February 13, 2012
Identity
| Facility as filed | MISSOURI VALLEY CITY OF WTP |
|---|---|
| Permittee as filed | CITY OF MISSOURI VALLEY |
| NPDES ID | IA0080454 |
| 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 | May 1, 2019 |
| Expiration date | April 30, 2024 |
| Issuing agency | STA |
| Address | Missouri Valley, IA 51555 |
| Subwatershed | Lower Willow Creek (HUC 102300070403) |
| NAICS | 221310 – Water Supply and Irrigation Systems |
| SIC | 4941 – Water Supply |
Effluent limits and exceedances
- 4Pollutants on file
- 3Under a numeric limit
- 4With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 4 | 62 | 48 | February 28, 2025 | 16,310% over the limit |
| Iron, total [as Fe] | 4 | 49 | 37 | April 30, 2026 | 11,222% over the limit |
| Chlorine, total residual | 0 | 10 | 10 | December 31, 2018 | 2,039% over the limit |
| pH | 2 | 2 | 0 |
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES IA0080454.
Inspections
EPA’s inspection file holds no inspection for NPDES IA0080454.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES IA0080454.
Watch this permit
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.