NPDES IA0001767 · Clean Water Act
IPL - DUBUQUE GENERATING STATION, Dubuque, IA: NPDES IA0001767 discharge permit, effluent exceedances, inspections, penalties
IPL - DUBUQUE GENERATING STATION, Dubuque, Iowa: Individual permit IA0001767, held by INTERSTATE POWER AND LIGHT COMPANY; Effective; issued January 1, 2012, term to December 31, 2016, by STA; Fossil Fuel Electric Power Generation.
3 of the 7 pollutants listed for NPDES IA0001767 have no violation or effluent exceedance.
- Oil & Grease: 4 limits, 2 violations of any kind, 2 effluent exceedances, latest September 30, 2017, largest 365% over the limit.
- Solids, total suspended: 4 limits, 5 violations of any kind, 1 effluent exceedance, latest September 30, 2017, largest 48% over the limit.
- Temperature, length of excursion: 1 limit, 13 violations of any kind.
- Chlorination duration: 1 limit, 3 violations of any kind.
- Temperature, water deg. fahrenheit: 2 limits.
- pH: 2 limits.
- Chlorine, total residual: 2 limits.
Other permits held by INTERSTATE POWER AND LIGHT COMPANY
- IPL - BURLINGTON GENERATING STATION, Burlington: IA0001783, issued 2026-01-01
- IPL - LANSING GENERATING STATION, Lansing: IA0003735, issued 2016-06-01
- IPL - OTTUMWA GENERATING STATION, Ottumwa: IA0060909, issued 2024-06-01
IPL - DUBUQUE GENERATING STATION among its neighbors
31 discharge permits are in the Frentress Lake-Mississippi River subwatershed (HUC 070600050202); IA0001767 is one. Its county: 57, 3 major; IA0001767 is minor permit.
Other permits in the Frentress Lake-Mississippi River subwatershed (HUC 070600050202)
- ALLIANT ENERGY - IEI BARGE SERVICES, East Dubuque: IL0074055, minor, term to 2014-02-28
- ALLIANT ENERGY DATA CENTER, Dubuque: IA0077151, minor, term to 2024-10-31
- AUDUBON ELEMENTARY SCHOOL, Dubuque: IA0081809, minor, term to 2014-09-29
- CITY OF DUBUQUE, Dubuque: IAL044458, minor, term to 2025-12-31
- CITY OF EAST DUBUQUE, ILLINOIS WASTEWATER COLLECTION SYSTEM IMPROVEMENTS 2025, East: ILR10ZG7W, minor, term to 2028-08-31
- CONTRACT 64P26: US 20, East Dubuque: ILR10ZF13, minor, term to 2028-08-31
- CONVIVIUM URBAN FARMSTEAD, Dubuque: IA0052864, minor, term to 2022-08-31
- DUBUQUE CITY OF STP, Dubuque: IA0044458, major, term to 2030-03-31
- DUBUQUE COUNTY COURTHOUSE, Dubuque: IA0081876, minor, term to 2024-02-29
- DUBUQUE COUNTY SHERIFF OFFICE, Dubuque: IA0081884, minor, term to 2024-06-30
Identity
| Facility | IPL - DUBUQUE GENERATING STATION |
|---|---|
| Permittee | INTERSTATE POWER AND LIGHT COMPANY |
| NPDES ID | IA0001767 |
| Status | Effective |
| Type | Individual permit |
| Class | Minor |
| Facility type | Non-POTW |
| Issued | January 1, 2012 |
| Expires | December 31, 2016 |
| Agency | STA |
| Address | Dubuque, IA 52001 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Frentress Lake-Mississippi River (HUC 070600050202) |
| NAICS | 221112 – Fossil Fuel Electric Power Generation |
| SIC | 4911 – Electric Services |
| Other EPA IDs (FRS) | RCRA handler IAD000805069 |
NPDES IA0001767: effluent limits and exceedances
IPL - DUBUQUE GENERATING STATION (NPDES IA0001767): 7 pollutants on file, 7 limited; 4 with a violation of any kind, 2 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Oil & Grease | 4 | 2 | 2 | September 30, 2017 | 365% over the limit |
| Solids, total suspended | 4 | 5 | 1 | September 30, 2017 | 48% over the limit |
| Temperature, length of excursion | 1 | 13 | 0 | ||
| Chlorination duration | 1 | 3 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Chlorine, total residual | 2 | 0 | 0 |
NPDES IA0001767: inspections, violations and enforcement
NPDES IA0001767 (IPL - DUBUQUE GENERATING STATION): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES IA0001767
NPDES IA0001767: one email when its EPA record changes — $99/month.
Permits near NPDES IA0001767
NPDES IA0001767: 7 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.