Clean Water Act discharge permit · NPDES MO0125181
OAKVIEW ESTATES WWTP, Wright City, MO: NPDES MO0125181 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
OAKVIEW ESTATES WWTP, held by Joe Hybl, holds NPDES permit MO0125181, which discharges to Tributary To Charrette Creek. EPA’s file records it issued April 19, 2017 and expiring September 30, 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 | OAKVIEW ESTATES WWTP |
|---|---|
| Permittee as filed | Joe Hybl |
| NPDES ID | MO0125181 |
| 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 | April 19, 2017 |
| Expiration date | September 30, 2020 |
| Address | Wright City, MO 63390 |
| Receiving water | Tributary to Charrette Creek |
| Subwatershed | Upper Charrette Creek (HUC 103002000505) |
| 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
- 8Pollutants on file
- 7Under a numeric limit
- 8With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 4 | 34 | 10 | June 30, 2026 | 1,443% over the limit |
| E. coli | 2 | 30 | 10 | June 30, 2026 | 12,327% over the limit |
| Solids, total suspended | 2 | 26 | 2 | June 30, 2023 | 170% over the limit |
| pH | 2 | 27 | 1 | December 31, 2023 | |
| BOD, 5-day, 20 deg. C | 2 | 24 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 24 | 0 | ||
| Chlorine, total residual | 2 | 18 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 12 | 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
- 12Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 26, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| March 17, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| March 17, 2025 | Effluent Violations - Narrative Effluent Violation | ST6 |
| December 26, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| March 27, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| December 29, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| November 20, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| January 9, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| June 30, 2022 | Reporting Violations - Failure to Submit DMRs | ST6 |
| April 1, 2022 | Reporting Violations - Failure to Submit DMRs | ST6 |
| June 30, 2020 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| September 20, 2019 | Management Practice Violations - Improper Operation and Maintenance | 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 MO0125181 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.