Clean Water Act discharge permit · NPDES MO0093548
OSCEOLA WWTF, Osceola, MO: NPDES MO0093548 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
OSCEOLA WWTF, held by City of Osceola, holds NPDES permit MO0093548, which discharges to H.S. Truman Lake. EPA’s file records it issued June 16, 2017 and expiring March 31, 2022. 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 | OSCEOLA WWTF |
|---|---|
| Permittee as filed | City of Osceola |
| NPDES ID | MO0093548 |
| 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 | June 16, 2017 |
| Expiration date | March 31, 2022 |
| Address | Osceola, MO 64776 |
| Receiving water | H.S. Truman Lake |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Gallinipper Creek-Harry S Truman Reservoir-Osage River (HUC 102901050406) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 19Pollutants on file
- 13Under a numeric limit
- 19With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 2 | 46 | 38 | November 30, 2019 | 2,300% over the limit |
| Solids, total suspended | 2 | 33 | 25 | March 31, 2017 | 1,300% over the limit |
| E. coli, colony forming units [CFU] | 0 | 31 | 25 | September 30, 2016 | 99,999% over the limit |
| Coliform, fecal general | 0 | 19 | 19 | June 30, 2010 | 32,650% over the limit |
| Nitrogen, ammonia total [as N] | 2 | 32 | 16 | March 31, 2018 | 700% over the limit |
| pH | 2 | 19 | 11 | March 31, 2013 | |
| E. coli | 2 | 6 | 6 | June 30, 2025 | 99,999% over the limit |
| Oil and grease [soxhlet extr.] tot. | 2 | 10 | 2 | March 31, 2012 | 300% over the limit |
| Ammonia [as N] + unionized ammonia | 0 | 2 | 2 | January 31, 2011 | 117% over the limit |
| Phosphorus, total [as P] | 2 | 24 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 16 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 16 | 0 | ||
| Nitrogen, total [as N] | 2 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 8 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 6 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 1 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 1 | 0 | ||
| BOD, 5-day, percent removal | 1 | 1 | 0 | ||
| Solids, suspended percent removal | 1 | 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
- 8Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 29, 2026 | Reporting Violations - Failure to Submit DMRs | ST6 |
| February 23, 2026 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| September 23, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| March 31, 2025 | Reporting Violations - Failure to Submit DMRs | ST6 |
| November 20, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 24, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 21, 2022 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| September 28, 2019 | Reporting Violations - Improper/ Incorrect Reporting | 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 MO0093548 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.