Clean Water Act discharge permit · NPDES IA0025895
ANAMOSA CITY OF STP, Anamosa, IA: NPDES IA0025895 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 13Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
ANAMOSA CITY OF STP, held by CITY OF ANAMOSA, holds NPDES permit IA0025895. EPA’s file records it issued November 1, 2020 and expiring October 31, 2025. 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 | ANAMOSA CITY OF STP |
|---|---|
| Permittee as filed | CITY OF ANAMOSA |
| NPDES ID | IA0025895 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | November 1, 2020 |
| Expiration date | October 31, 2025 |
| Issuing agency | STA |
| Address | Anamosa, IA 52205 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Dutch Creek-Wapsipinicon River (HUC 070801030201) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 14Pollutants on file
- 13Under a numeric limit
- 9With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 9 | 64 | 16 | April 30, 2022 | 670% over the limit |
| Nitrogen, ammonia total [as N] | 48 | 34 | 14 | May 31, 2025 | 658% over the limit |
| Oil & Grease | 2 | 23 | 9 | August 31, 2024 | 43% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 28 | 4 | October 31, 2018 | 60% over the limit |
| pH | 5 | 17 | 2 | February 28, 2019 | |
| E. coli | 1 | 1 | 1 | July 31, 2024 | 632% over the limit |
| Chlorine, total residual | 0 | 60 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 13 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 12 | 0 | ||
| Nitrogen, total [as N] | 10 | 0 | 0 | ||
| Phosphorus, total [as P] | 10 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 5 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 5 | 0 | 0 | ||
| Mercury, total [as Hg] | 4 | 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 IA0025895.
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 IA0025895 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.