Clean Water Act discharge permit · NPDES IA0029033
GILMAN CITY OF STP, Gilman, IA: NPDES IA0029033 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
GILMAN CITY OF STP, held by CITY OF GILMAN, holds NPDES permit IA0029033. EPA’s file records it issued December 1, 2022 and expiring November 30, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | GILMAN CITY OF STP |
|---|---|
| Permittee as filed | CITY OF GILMAN |
| NPDES ID | IA0029033 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | December 1, 2022 |
| Expiration date | November 30, 2027 |
| Issuing agency | STA |
| Address | Gilman, IA 50106 |
| Subwatershed | Brush Creek (HUC 070802080202) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 8Pollutants on file
- 7Under a numeric limit
- 4With a violation of any kind
- 3With 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 | 45 | 45 | September 30, 2016 | 132% over the limit |
| pH | 5 | 6 | 3 | April 30, 2009 | |
| BOD, carbonaceous [5 day, 20 C] | 4 | 4 | 2 | April 30, 2022 | 25% over the limit |
| Solids, total suspended | 9 | 14 | 0 | ||
| Nitrogen, ammonia total [as N] | 56 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 5 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 | ||
| E. coli | 1 | 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 IA0029033.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, IA0029033.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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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 IA0029033 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.