Clean Water Act discharge permit · NPDES IA0027979
CENTRAL CITY CITY OF STP, Central City, IA: NPDES IA0027979 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
CENTRAL CITY CITY OF STP, held by CITY OF CENTRAL CITY, holds NPDES permit IA0027979. EPA’s file records it issued April 1, 2017 and expiring March 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | CENTRAL CITY CITY OF STP |
|---|---|
| Permittee as filed | CITY OF CENTRAL CITY |
| NPDES ID | IA0027979 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | April 1, 2017 |
| Expiration date | March 31, 2022 |
| Issuing agency | STA |
| Address | Central City, IA 52214 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Heatons Creek-Wapsipinicon River (HUC 070801021002) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 6Under a numeric limit
- 6With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 60 | 192 | 185 | September 30, 2022 | 443% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 26 | 14 | November 30, 2025 | 61% over the limit |
| Chlorine, total residual | 8 | 7 | 7 | October 31, 2018 | 343% over the limit |
| Solids, total suspended | 9 | 27 | 5 | March 31, 2013 | 120% over the limit |
| pH | 5 | 12 | 5 | January 31, 2026 | |
| Coliform, fecal general | 0 | 12 | 1 | August 31, 2009 | 90% over the limit |
| BOD, 5-day, 20 deg. C | 5 | 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 IA0027979.
Velarion’s copy of EPA’s ICIS-NPDES files does not 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
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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 IA0027979 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.