Clean Water Act discharge permit · NPDES MO0131938
OSAGE VILLAS WWTF, Villa Ridge, MO: NPDES MO0131938 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
OSAGE VILLAS WWTF, held by Villa Ridge Investments, LLC, holds NPDES permit MO0131938, which discharges to Tributary To Pin Oak Creek. EPA’s file records it issued October 1, 2020 and expiring June 30, 2025. 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 | OSAGE VILLAS WWTF |
|---|---|
| Permittee as filed | Villa Ridge Investments, LLC |
| NPDES ID | MO0131938 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | October 1, 2020 |
| Expiration date | June 30, 2025 |
| Address | Villa Ridge, MO 63089 |
| Receiving water | Tributary to Pin Oak Creek |
| Subwatershed | Birch Creek-Bourbuse River (HUC 071401030405) |
| SIC | 6513 – Apartment Building Operators |
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
- 6Pollutants on file
- 6Under a numeric limit
- 6With a violation of any kind
- 2With 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 | 16 | 2 | September 30, 2016 | 1,114% over the limit |
| E. coli | 2 | 13 | 1 | June 30, 2017 | 253% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 14 | 0 | ||
| pH | 2 | 14 | 0 | ||
| Solids, total suspended | 2 | 14 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 14 | 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
- 9Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 1, 2023 | Permit Violations - Unapproved Operation | ST6 |
| June 1, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| April 4, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| January 9, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| September 30, 2020 | Effluent Violations - Numeric effluent violation | ST6 |
| June 25, 2020 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| February 19, 2020 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| February 19, 2020 | Permit Violations - Violation Specified in Comment | ST6 |
| March 21, 2017 | 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 MO0131938 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.