Clean Water Act discharge permit · NPDES MO0108804
WARSAW R-9 HIGH AND MIDDLE SCHOOL WWTF, Warsaw, MO: NPDES MO0108804 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
WARSAW R-9 HIGH AND MIDDLE SCHOOL WWTF, held by Benton County R-9 School District, holds NPDES permit MO0108804, which discharges to 8-20-13 Mudd V1.0. EPA’s file records it issued September 21, 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 R-9 HIGH AND MIDDLE SCHOOL WWTF |
|---|---|
| Permittee as filed | Benton County R-9 School District |
| NPDES ID | MO0108804 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | September 21, 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 | 8211 – Elementary And Secondary Schools |
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
- 9Pollutants on file
- 9Under a numeric limit
- 9With a violation of any kind
- 5With 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 | 4 | 20 | 18 | December 31, 2019 | 1,525% over the limit |
| E. coli | 4 | 7 | 5 | June 30, 2020 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 8 | 4 | December 31, 2025 | 822% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 8 | 4 | June 30, 2026 | 99,999% over the limit |
| Oil and grease [soxhlet extr.] tot. | 2 | 6 | 2 | September 30, 2024 | 210% over the limit |
| pH | 2 | 4 | 0 | ||
| Solids, total suspended | 2 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 4 | 2 | 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 |
|---|---|---|
| March 26, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| December 19, 2024 | Effluent Violations - Numeric effluent violation | 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 MO0108804 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.