Clean Water Act discharge permit · NPDES MO0041068
OWENSVILLE WWTF, Owensville, MO: NPDES MO0041068 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 16Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
OWENSVILLE WWTF, held by City of Owensville, holds NPDES permit MO0041068, which discharges to Tributary To Trib. To Red Oak Cr.. EPA’s file records it issued November 29, 2017 and expiring March 31, 2020. 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 | OWENSVILLE WWTF |
|---|---|
| Permittee as filed | City of Owensville |
| NPDES ID | MO0041068 |
| 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 | November 29, 2017 |
| Expiration date | March 31, 2020 |
| Address | Owensville, MO 65066 |
| Receiving water | Tributary to Trib. to Red Oak Cr. |
| Subwatershed | Soap Creek-Red Oak Creek (HUC 071401030303) |
| 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
- 16Pollutants on file
- 16Under a numeric limit
- 16With a violation of any kind
- 7With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 8 | 30 | 22 | January 31, 2026 | 196% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 2 | 25 | 21 | January 31, 2023 | 442% over the limit |
| BOD, carbonaceous, percent removal | 1 | 18 | 16 | May 31, 2026 | 561% over the limit |
| Solids, suspended percent removal | 1 | 16 | 14 | July 31, 2026 | 561% over the limit |
| Oxygen, dissolved [DO] | 6 | 13 | 5 | August 31, 2023 | 65% over the limit |
| Oil and grease [soxhlet extr.] tot. | 2 | 6 | 4 | September 30, 2020 | 60% over the limit |
| E. coli | 2 | 5 | 1 | October 31, 2019 | 168% over the limit |
| pH | 6 | 8 | 0 | ||
| Solids, total suspended | 2 | 4 | 0 | ||
| Nitrogen, organic total [as N] | 2 | 4 | 0 | ||
| Nitrogen, nitrite total [as N] | 2 | 4 | 0 | ||
| Nitrogen, total Kjeldahl | 2 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Phosphorus, total [as P] | 2 | 2 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 1 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 3, 2021 | Permit Violations - Unapproved Operation | ST6 |
| May 3, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| September 30, 2020 | 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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Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.