Clean Water Act discharge permit · NPDES IA0080331
NATIONAL MISSISSIPPI RIVER MUSEUM AND AQUARIUM, Dubuque, IA: NPDES IA0080331 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 2Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
NATIONAL MISSISSIPPI RIVER MUSEUM AND AQUARIUM, held by DUBUQUE COUNTY HISTORICAL SOCIETY, holds NPDES permit IA0080331. EPA’s file records it issued July 1, 2020 and expiring June 30, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | NATIONAL MISSISSIPPI RIVER MUSEUM AND AQUARIUM |
|---|---|
| Permittee as filed | DUBUQUE COUNTY HISTORICAL SOCIETY |
| NPDES ID | IA0080331 |
| 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 | July 1, 2020 |
| Expiration date | June 30, 2025 |
| Issuing agency | STA |
| Address | Dubuque, IA 52001 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Frentress Lake-Mississippi River (HUC 070600050202) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 2Pollutants on file
- 2Under a numeric limit
- 1With 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 |
|---|---|---|---|---|---|
| pH | 2 | 109 | 1 | December 31, 2007 | |
| Temperature, water deg. fahrenheit | 24 | 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 IA0080331.
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 IA0080331 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.