Clean Water Act discharge permit · NPDES IA0000540
IPL - PRAIRIE CREEK GENERATING STATION, Cedar Rapids, IA: NPDES IA0000540 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 0Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
IPL - PRAIRIE CREEK GENERATING STATION, held by INTERSTATE POWER AND LIGHT COMPANY (IPL), holds NPDES permit IA0000540. EPA’s file records it issued November 1, 2016 and expiring October 31, 2021.
IPL - PRAIRIE CREEK GENERATING STATION, Cedar Rapids, Iowa: Individual permit IA0000540, held by INTERSTATE POWER AND LIGHT COMPANY (IPL); Effective; issued November 1, 2016, term to October 31, 2021, by STA.
- Temperature, water deg. fahrenheit: 0 limits, 2 violations of any kind, 1 effluent exceedance, latest July 31, 2017, largest 0% over the limit.
- Oil & Grease: 0 limits, 38 violations of any kind, 0 effluent exceedances.
- Solids, total suspended: 0 limits, 23 violations of any kind, 0 effluent exceedances.
- Chlorine, total residual: 0 limits, 9 violations of any kind, 0 effluent exceedances.
- Toxicity [acute], Ceriodaphnia dubia: 0 limits, 9 violations of any kind, 0 effluent exceedances.
- Toxicity [acute], Pimephales promelas [Fathead Minnow]: 0 limits, 9 violations of any kind, 0 effluent exceedances.
- pH: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Chlorination duration: 0 limits, 1 violation of any kind, 0 effluent exceedances.
IPL - PRAIRIE CREEK GENERATING STATION among its neighbors
EPA’s permit file holds 3 discharge permits in the Prairie Creek subwatershed (HUC 070802051405), IA0000540 among them. Its county holds 37, 4 of them major permits; IA0000540 is a major permit.
Other permits in the Prairie Creek subwatershed (HUC 070802051405)
- CEDAR RAPIDS WILSON MIDDLE SCHOOL, Cedar Rapids: IA0078344, minor permit, permit term to March 31, 2024
- FAIRFAX CITY OF STP, Fairfax: IA0030694, minor permit, permit term to July 31, 2024
Identity
| Facility as filed | IPL - PRAIRIE CREEK GENERATING STATION |
|---|---|
| Permittee as filed | INTERSTATE POWER AND LIGHT COMPANY (IPL) |
| NPDES ID | IA0000540 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 1, 2016 |
| Expiration date | October 31, 2021 |
| Issuing agency | STA |
| Address | Cedar Rapids, IA 52404 |
| Subwatershed | Prairie Creek (HUC 070802051405) |
| Other EPA IDs (FRS) | RCRA handler IAD000678250; ICIS-AIR source IALIN0001911300050 |
Effluent limits and exceedances
- 8Pollutants on file
- 0Under a numeric limit
- 8With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| Temperature, water deg. fahrenheit | 0 | 2 | 1 | July 31, 2017 | 0% over the limit |
| Oil & Grease | 0 | 38 | 0 | ||
| Solids, total suspended | 0 | 23 | 0 | ||
| Chlorine, total residual | 0 | 9 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 0 | 9 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 0 | 9 | 0 | ||
| pH | 0 | 4 | 0 | ||
| Chlorination duration | 0 | 1 | 0 |
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES IA0000540.
Inspections
EPA’s inspection file holds no inspection for NPDES IA0000540.
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 IA0000540.
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Nearby on the register
- Discharge permits in Cedar Rapids
- Every permit record in Cedar Rapids, A to Z
- Discharge permits in Iowa
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.