Clean Water Act discharge permit · NPDES MOGD00287
HENCKEN VALLEY ESTATES WWTF, Wildwood, MO: NPDES MOGD00287 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
HENCKEN VALLEY ESTATES WWTF, held by Hencken Valley Estates, holds NPDES permit MOGD00287, which discharges to Tributary To Fox Creek. EPA’s file records it issued July 1, 2019 and expiring June 30, 2024. 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 | HENCKEN VALLEY ESTATES WWTF |
|---|---|
| Permittee as filed | Hencken Valley Estates |
| NPDES ID | MOGD00287 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 1, 2019 |
| Expiration date | June 30, 2024 |
| Address | Wildwood, MO 63069 |
| Receiving water | Tributary to Fox Creek |
| Subwatershed | Fox Creek-Meramec River (HUC 071401020903) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 9Pollutants on file
- 8Under a numeric limit
- 9With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| E. coli | 2 | 14 | 2 | June 30, 2023 | 789% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 12 | 2 | September 30, 2023 | 58% over the limit |
| Solids, total suspended | 2 | 12 | 2 | March 31, 2020 | 41% over the limit |
| Oxygen, dissolved [DO] | 2 | 10 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 10 | 0 | ||
| pH | 2 | 10 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 10 | 0 | ||
| Chlorine, total residual | 2 | 10 | 0 | ||
| E. coli, colony forming units [CFU] | 0 | 4 | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 5, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| January 5, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| September 28, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| June 29, 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.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MOGD00287.
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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 MOGD00287 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 September 15, 2026.