NPDES IA0077305 · Clean Water Act
MASON CITY, CITY OF WTP, Mason City, IA: NPDES IA0077305 discharge permit, effluent exceedances, inspections, penalties
MASON CITY, CITY OF WTP, Mason City, Iowa: Individual permit IA0077305, held by CITY OF MASON CITY; Administratively continued; issued March 1, 2019, term to February 29, 2024, by STA.
- pH: 2 limits, 2 violations of any kind.
Other permits held by CITY OF MASON CITY
- MASON CITY, CITY OF STP, Mason City: IA0057169, issued 2016-05-01
- CITY OF MASON CITY, Mason City: IAL057169, issued 2021-01-01
MASON CITY, CITY OF WTP among its neighbors
4 discharge permits are in the City of Mason City-Winnebago River subwatershed (HUC 070802030306); IA0077305 is one. Its county: 16, 2 major; IA0077305 is minor permit.
Other permits in the City of Mason City-Winnebago River subwatershed (HUC 070802030306)
- FERTILE CITY OF STP, Fertile: IA0058718, minor, term to 2026-03-31
- HEIDELBERG MATERIALS US CEMENT LLC (REMEDIATION SITE), Mason City: IA0072907, minor, term to 2024-08-31
- POET BIOREFINING - HANLONTOWN, LLC, Hanlontown: IA0078042, minor, term to 2021-11-30
Identity
| Facility | MASON CITY, CITY OF WTP |
|---|---|
| Permittee | CITY OF MASON CITY |
| NPDES ID | IA0077305 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Minor |
| Facility type | Non-POTW |
| Issued | March 1, 2019 |
| Expires | February 29, 2024 |
| Agency | STA |
| Address | Mason City, IA 50401 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | City of Mason City-Winnebago River (HUC 070802030306) |
| Other EPA IDs (FRS) | RCRA handler IAD000671461; ICIS-AIR source IA0000001903300252 |
NPDES IA0077305: effluent limits and exceedances
MASON CITY, CITY OF WTP (NPDES IA0077305): 1 pollutants on file, 1 limited; 1 with a violation of any kind, 0 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| pH | 2 | 2 | 0 |
NPDES IA0077305: inspections, violations and enforcement
NPDES IA0077305 (MASON CITY, CITY OF WTP): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES IA0077305
NPDES IA0077305: one email when its EPA record changes — $99/month.
Permits near NPDES IA0077305
NPDES IA0077305: 1 pollutant rows, 0 dated events; ICIS-NPDES download, loaded September 15, 2026.