Clean Water Act discharge permit · NPDES MO0087955
WILDWOOD HILLS SUBDIVISION WWTF, Wright City, MO: NPDES MO0087955 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
WILDWOOD HILLS SUBDIVISION WWTF, held by Wildwood Hills Sewer Association, holds NPDES permit MO0087955, which discharges to Tributary To Charrette Creek. EPA’s file records it issued June 29, 2016 and expiring September 30, 2020. 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 | WILDWOOD HILLS SUBDIVISION WWTF |
|---|---|
| Permittee as filed | Wildwood Hills Sewer Association |
| NPDES ID | MO0087955 |
| 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 | June 29, 2016 |
| Expiration date | September 30, 2020 |
| Address | Wright City, MO 63390 |
| Receiving water | Tributary to Charrette Creek |
| Subwatershed | Upper Charrette Creek (HUC 103002000505) |
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
- 6With 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] | 6 | 27 | 15 | June 30, 2025 | 99,999% over the limit |
| E. coli | 2 | 23 | 15 | September 30, 2021 | 99,999% over the limit |
| Coliform, fecal general | 0 | 5 | 5 | September 30, 2013 | 99,999% over the limit |
| Chlorine, total residual | 2 | 12 | 4 | June 30, 2020 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 15 | 3 | March 31, 2018 | 12% over the limit |
| pH | 1 | 8 | 2 | September 30, 2025 | |
| Flow, in conduit or thru treatment plant | 2 | 18 | 0 | ||
| Solids, total suspended | 2 | 12 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 8 | 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
- 7Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 5, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| September 28, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| January 13, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| July 15, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| March 30, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| January 6, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| March 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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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 MO0087955 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.