NPDES IA0032361 · Clean Water Act
SLOAN CITY OF STP, Sloan, IA: NPDES IA0032361 discharge permit, effluent exceedances, inspections, penalties
SLOAN CITY OF STP, Sloan, Iowa: Individual permit IA0032361, held by CITY OF SLOAN; Publicly owned treatment works; Administratively continued; issued March 1, 2019, term to February 29, 2024, by STA; Sewage Treatment Facilities.
1 of the 9 pollutants listed for NPDES IA0032361 have no violation or effluent exceedance.
- Chloride [as Cl]: 52 limits, 83 violations of any kind, 77 effluent exceedances, latest July 31, 2026, largest 436% over the limit.
- Nitrogen, ammonia total [as N]: 48 limits, 18 violations of any kind, 18 effluent exceedances, latest April 30, 2025, largest 265% over the limit.
- Solids, total suspended: 9 limits, 7 violations of any kind, 1 effluent exceedance, latest April 30, 2018, largest 43% over the limit.
- Oxygen, dissolved [DO]: 1 limit, 4 violations of any kind, 1 effluent exceedance, latest February 28, 2015, largest 80% over the limit.
- Flow, in conduit or thru treatment plant: 0 limits, 38 violations of any kind.
- E. coli: 1 limit, 13 violations of any kind.
- BOD, carbonaceous [5 day, 20 C]: 4 limits, 6 violations of any kind.
- pH: 5 limits, 3 violations of any kind.
- BOD, 5-day, 20 deg. C: 5 limits.
Iowa holds 734 Publicly owned treatment works coverages of this permit type in EPA’s file; 422 were issued before IA0032361.
Coverages issued nearest IA0032361
- 2019-02-01: BARNES CITY, CITY OF STP, Barnes City: IA0081329, held by POWESHIEK WATER ASSOCIATION
- 2019-02-01: CARPENTER CITY OF STP, Carpenter: IA0081566, held by MITCHELL COUNTY
- 2019-03-01: SPENCER, CITY OF STP, Spencer: IA0021059, held by City of Spencer
- 2019-03-01: CHARTER OAK CITY OF STP, Charter Oak: IA0022268, held by CITY OF CHARTER OAK
- 2019-03-01: MEDIAPOLIS CITY OF STP, Mediapolis: IA0025917, held by CITY OF MEDIAPOLIS
- 2019-03-01: GARNER CITY OF STP, Garner: IA0036153, held by CITY OF GARNER
- 2019-03-01: STATE CENTER CITY OF STP, State Center: IA0041807, held by CITY OF STATE CENTER
- 2019-03-01: QUASQUETON CITY OF STP, Quasqueton: IA0057011, held by CITY OF QUASQUETON
- 2019-03-01: MASONVILLE, CITY OF-STP, Masonville: IA0077241, held by CITY OF MASONVILLE
- 2019-04-01: CARLISLE CITY OF STP, Carlisle: IA0024554, held by CITY OF CARLISLE
SLOAN CITY OF STP among its neighbors
2 discharge permits are in the Farmers Ditch subwatershed (HUC 102300040406); IA0032361 is one. Its county: 39, 5 major; IA0032361 is minor permit.
Other permits in the Farmers Ditch subwatershed (HUC 102300040406)
- WESTWOOD COMMUNITY SCHOOL, Sloan: IA0070289, minor, term to 2022-09-30
Identity
| Facility | SLOAN CITY OF STP |
|---|---|
| Permittee | CITY OF SLOAN |
| NPDES ID | IA0032361 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Minor |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | March 1, 2019 |
| Expires | February 29, 2024 |
| Agency | STA |
| Address | Sloan, IA 51055 |
| Subwatershed | Farmers Ditch (HUC 102300040406) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
NPDES IA0032361: effluent limits and exceedances
SLOAN CITY OF STP (NPDES IA0032361): 9 pollutants on file, 8 limited; 8 with a violation of any kind, 4 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Chloride [as Cl] | 52 | 83 | 77 | July 31, 2026 | 436% over the limit |
| Nitrogen, ammonia total [as N] | 48 | 18 | 18 | April 30, 2025 | 265% over the limit |
| Solids, total suspended | 9 | 7 | 1 | April 30, 2018 | 43% over the limit |
| Oxygen, dissolved [DO] | 1 | 4 | 1 | February 28, 2015 | 80% over the limit |
| Flow, in conduit or thru treatment plant | 0 | 38 | 0 | ||
| E. coli | 1 | 13 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 4 | 6 | 0 | ||
| pH | 5 | 3 | 0 | ||
| BOD, 5-day, 20 deg. C | 5 | 0 | 0 |
NPDES IA0032361: inspections, violations and enforcement
NPDES IA0032361 (SLOAN CITY OF STP): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES IA0032361
NPDES IA0032361: one email when its EPA record changes — $99/month.
Permits near NPDES IA0032361
NPDES IA0032361: 9 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.