Clean Water Act discharge permit · NPDES IA0052166
KOCH FERTILIZER WEVER, LLC, Wever, IA: NPDES IA0052166 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 0Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
KOCH FERTILIZER WEVER, LLC, held by IOWA FERTILIZER COMPANY, holds NPDES permit IA0052166. EPA’s file records it issued November 1, 2014 and expiring October 31, 2019. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | KOCH FERTILIZER WEVER, LLC |
|---|---|
| Permittee as filed | IOWA FERTILIZER COMPANY |
| NPDES ID | IA0052166 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 1, 2014 |
| Expiration date | October 31, 2019 |
| Issuing agency | STA |
| Address | Wever, IA 52658 |
| Subwatershed | Spillman Creek-Mississippi River (HUC 070801041704) |
| NAICS | 325311 – Nitrogenous Fertilizer Manufacturing |
| SIC | 2873 – Nitrogenous Fertilizers |
| Other EPA IDs (FRS) | RCRA handler IAR000520346; ICIS-AIR source IA0000001911100171 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 6Pollutants on file
- 0Under a numeric limit
- 6With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| Toxicity [acute], Ceriodaphnia dubia | 0 | 3 | 3 | October 31, 2025 | 100% over the limit |
| pH | 0 | 2 | 1 | December 31, 2025 | |
| Nitrogen, nitrate total [as N] | 0 | 1 | 1 | August 31, 2024 | 5% over the limit |
| E. coli | 0 | 1 | 1 | October 31, 2023 | 41% over the limit |
| Solids, total suspended | 0 | 8 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 0 | 8 | 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 IA0052166.
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.
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Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.