NPDES IA0034371 · Clean Water Act
DOW CITY, CITY OF STP, Dow City, IA: NPDES IA0034371 discharge permit, effluent exceedances, inspections, penalties
DOW CITY, CITY OF STP, Dow City, Iowa: Individual permit IA0034371, held by CITY OF DOW CITY; Publicly owned treatment works; Administratively continued; issued May 1, 2018, term to April 30, 2023, by STA; Sewage Treatment Facilities.
2 of the 5 pollutants listed for NPDES IA0034371 have no violation or effluent exceedance.
- Solids, total suspended: 5 limits, 21 violations of any kind, 20 effluent exceedances, latest June 30, 2026, largest 150% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 5 limits, 15 violations of any kind, 14 effluent exceedances, latest June 30, 2026, largest 140% over the limit.
- pH: 2 limits, 9 violations of any kind, 9 effluent exceedances, latest June 30, 2021.
- E. coli: 3 limits.
- Depth of pond or reservoir in feet: 3 limits.
Iowa holds 734 Publicly owned treatment works coverages of this permit type in EPA’s file; 341 were issued before IA0034371.
Coverages issued nearest IA0034371
- 2018-05-01: BUFFALO, CITY OF STP, Buffalo: IA0020800, held by CITY OF BUFFALO
- 2018-05-01: COLUMBUS JUNCTION CITY OF STP, Columbus Junction: IA0023523, held by CITY OF COLUMBUS JUNCTION
- 2018-05-01: LIVERMORE CITY OF STP, Livermore: IA0023566, held by CITY OF LIVERMORE
- 2018-05-01: OYENS CITY OF STP, Oyens: IA0032336, held by CITY OF OYENS
- 2018-05-01: ELK RUN HEIGHTS CITY OF STP, Elk Run Heights: IA0034231, held by CITY OF ELK RUN HEIGHTS
- 2018-05-01: NEW HARTFORD CITY OF STP, New Hartford: IA0056880, held by CITY OF NEW HARTFORD
- 2018-05-01: RINGSTED CITY OF STP, Ringsted: IA0057436, held by CITY OF RINGSTED
- 2018-05-01: PARK VIEW SANITARY DIST. STP, Eldridge: IA0062561, held by PARK VIEW SANITARY DISTRICT
- 2018-05-01: DAVENPORT, CITY OF-WEST LOCUST LAGOON, Davenport: IA0076261, held by CITY OF DAVENPORT
- 2018-05-01: HASTINGS, CITY OF STP, Hastings: IA0079758, held by CITY OF HASTINGS
DOW CITY, CITY OF STP among its neighbors
2 discharge permits are in the Welsh Creek-Boyer River subwatershed (HUC 102300070304); IA0034371 is one. Its county: 11, 1 major; IA0034371 is minor permit.
Other permits in the Welsh Creek-Boyer River subwatershed (HUC 102300070304)
- DENISON MUNICIPAL UTILITIES-STP, Denison: IA0023302, major, term to 2025-12-31
Identity
| Facility | DOW CITY, CITY OF STP |
|---|---|
| Permittee | CITY OF DOW CITY |
| NPDES ID | IA0034371 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Minor |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | May 1, 2018 |
| Expires | April 30, 2023 |
| Agency | STA |
| Address | Dow City, IA 51528 |
| Subwatershed | Welsh Creek-Boyer River (HUC 102300070304) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
NPDES IA0034371: effluent limits and exceedances
DOW CITY, CITY OF STP (NPDES IA0034371): 5 pollutants on file, 5 limited; 3 with a violation of any kind, 3 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 5 | 21 | 20 | June 30, 2026 | 150% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 5 | 15 | 14 | June 30, 2026 | 140% over the limit |
| pH | 2 | 9 | 9 | June 30, 2021 | |
| E. coli | 3 | 0 | 0 | ||
| Depth of pond or reservoir in feet | 3 | 0 | 0 |
NPDES IA0034371: inspections, violations and enforcement
NPDES IA0034371 (DOW CITY, CITY OF STP): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES IA0034371
NPDES IA0034371: one email when its EPA record changes — $99/month.
Permits near NPDES IA0034371
NPDES IA0034371: 5 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.