Clean Water Act discharge permit · NPDES IA0032310
ROLFE CITY OF STP, Rolfe, IA: NPDES IA0032310 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
ROLFE CITY OF STP, held by CITY OF ROLFE, holds NPDES permit IA0032310. EPA’s file records it issued March 1, 2020 and expiring February 28, 2025.
ROLFE CITY OF STP, Rolfe, Iowa: Individual permit IA0032310, held by CITY OF ROLFE; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued March 1, 2020, term to February 28, 2025, by STA; Sewage Treatment Facilities.
- Flow, in conduit or thru treatment plant: 0 limits, 67 violations of any kind, 67 effluent exceedances, latest April 30, 2009, largest 492% over the limit.
- Nitrogen, ammonia total [as N]: 5 limits, 47 violations of any kind, 47 effluent exceedances, latest November 30, 2007, largest 2,518% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 5 limits, 26 violations of any kind, 14 effluent exceedances, latest November 30, 2008, largest 704% over the limit.
- Solids, total suspended: 5 limits, 26 violations of any kind, 10 effluent exceedances, latest November 30, 2008, largest 1,280% over the limit.
- pH: 2 limits, 2 violations of any kind, 2 effluent exceedances, latest June 30, 2025.
- Annual Nitrate Nitrogen Discharged: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Nitrogen, nitrate total [as N]: 5 limits, 0 violations of any kind, 0 effluent exceedances.
- E. coli: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Depth of pond or reservoir in feet: 3 limits, 0 violations of any kind, 0 effluent exceedances.
Iowa holds 734 Publicly owned treatment works coverages of this permit type in EPA’s file; 514 were issued before IA0032310.
Coverages issued nearest IA0032310
- February 1, 2020: STUART CITY OF STP, Stuart, IA0041858, held by CITY OF STUART
- February 1, 2020: ALLISON CITY OF STP, Allison, IA0042731, held by CITY OF ALLISON
- February 1, 2020: BOYDEN CITY OF STP, Boyden, IA0042838, held by CITY OF BOYDEN
- February 1, 2020: PORTSMOUTH CITY OF STP, Portsmouth, IA0072443, held by CITY OF PORTSMOUTH STP
- February 1, 2020: PULASKI, CITY OF STP, Pulaski, IA0074802, held by RATHBUN REGIONAL WATER ASSOCIATION
- March 1, 2020: ALDEN CITY OF STP, Alden, IA0034339, held by CITY OF ALDEN
- March 1, 2020: BANCROFT CITY OF STP, Bancroft, IA0057762, held by CITY OF BANCROFT
- March 1, 2020: GRANDVIEW CITY OF STP, Grandview, IA0062901, held by CITY OF GRANDVIEW
- March 1, 2020: JASPER COUNTY REGIONAL WASTEWATER SYSTEM, Kellogg, IA0076848, held by IOWA REGIONAL UTILITIES ASSOCIATION
- March 1, 2020: PLANO, IOWA-ADLM-FMS, Plano, IA0080845, held by RATHBUN REGIONAL WATER ASSOCIATION INC
ROLFE CITY OF STP among its neighbors
EPA’s permit file holds 1 discharge permits in the Crooked Creek subwatershed (HUC 071000020702), IA0032310 among them. Its county holds 8, 0 of them major permits; IA0032310 is a minor permit.
Identity
| Facility as filed | ROLFE CITY OF STP |
|---|---|
| Permittee as filed | CITY OF ROLFE |
| NPDES ID | IA0032310 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | March 1, 2020 |
| Expiration date | February 28, 2025 |
| Issuing agency | STA |
| Address | Rolfe, IA 50581 |
| Subwatershed | Crooked Creek (HUC 071000020702) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 9Pollutants on file
- 8Under a numeric limit
- 6With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 0 | 67 | 67 | April 30, 2009 | 492% over the limit |
| Nitrogen, ammonia total [as N] | 5 | 47 | 47 | November 30, 2007 | 2,518% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 5 | 26 | 14 | November 30, 2008 | 704% over the limit |
| Solids, total suspended | 5 | 26 | 10 | November 30, 2008 | 1,280% over the limit |
| pH | 2 | 2 | 2 | June 30, 2025 | |
| Annual Nitrate Nitrogen Discharged | 1 | 1 | 0 | ||
| Nitrogen, nitrate total [as N] | 5 | 0 | 0 | ||
| E. coli | 3 | 0 | 0 | ||
| Depth of pond or reservoir in feet | 3 | 0 | 0 |
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES IA0032310.
Inspections
EPA’s inspection file holds no inspection for NPDES IA0032310.
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 IA0032310.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.