Clean Water Act discharge permit · NPDES IA0042854
ANTHON CITY OF STP, Anthon, IA: NPDES IA0042854 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
ANTHON CITY OF STP, held by CITY OF ANTHON, holds NPDES permit IA0042854. EPA’s file records it issued April 21, 2009 and expiring April 20, 2014. 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 | ANTHON CITY OF STP |
|---|---|
| Permittee as filed | CITY OF ANTHON |
| NPDES ID | IA0042854 |
| 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 | April 21, 2009 |
| Expiration date | April 20, 2014 |
| Issuing agency | STA |
| Address | Anthon, IA 51004 |
| Subwatershed | Threemile Creek-Little Sioux River (HUC 102300031503) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 5Pollutants on file
- 5Under a numeric limit
- 4With a violation of any kind
- 2With 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 | 3 | 10 | 8 | July 31, 2022 | 199% over the limit |
| pH | 2 | 12 | 3 | October 31, 2015 | |
| Solids, total suspended | 5 | 5 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 5 | 4 | 0 | ||
| Depth of pond or reservoir in feet | 3 | 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 IA0042854.
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 IA0042854 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.