Clean Water Act discharge permit · NPDES MO0049239
WARSAW WWTF, Warsaw, MO: NPDES MO0049239 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
WARSAW WWTF, held by City of Warsaw, holds NPDES permit MO0049239, which discharges to 8-20-13 Mudd V1.0. EPA’s file records it issued September 30, 2016 and expiring September 30, 2021. 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 | WARSAW WWTF |
|---|---|
| Permittee as filed | City of Warsaw |
| NPDES ID | MO0049239 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 30, 2016 |
| Expiration date | September 30, 2021 |
| Issuing agency | MODNR-Water Protection Program |
| Address | Warsaw, MO 65355 |
| Receiving water | 8-20-13 MUDD V1.0 |
| Subwatershed | Feaster Branch-Osage River (HUC 102901090107) |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 14Pollutants on file
- 9Under a numeric limit
- 14With a violation of any kind
- 9With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 0 | 45 | 45 | October 31, 2010 | 72,400% over the limit |
| Coliform, fecal general | 0 | 19 | 19 | June 30, 2012 | 543% over the limit |
| Solids, total suspended | 3 | 53 | 12 | April 30, 2026 | 290% over the limit |
| Ammonia [as N] + unionized ammonia | 0 | 8 | 8 | August 31, 2012 | 300% over the limit |
| pH | 2 | 35 | 7 | August 31, 2019 | |
| Nitrogen, ammonia total [as N] | 4 | 33 | 7 | October 31, 2025 | 422% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 49 | 6 | September 30, 2023 | 577% over the limit |
| Oil and grease [soxhlet extr.] tot. | 2 | 12 | 4 | June 30, 2016 | 99,999% over the limit |
| E. coli | 2 | 17 | 1 | August 31, 2023 | 44% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 26 | 0 | ||
| Nitrogen, total [as N] | 2 | 6 | 0 | ||
| Phosphorus, total [as P] | 2 | 6 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 0 | 1 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 0 | 1 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 22, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| March 21, 2018 | Reporting Violations - Failure to Submit DMRs | ST6 |
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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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 MO0049239 there.
Nearby on the register
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- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.