Clean Water Act discharge permit · NPDES MO0105007
MAPLE RIDGE MHP WWTP, Wright City, MO: NPDES MO0105007 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
MAPLE RIDGE MHP WWTP, held by Larry Goodfellow, holds NPDES permit MO0105007, which discharges to Tributary To Skunk Creek. EPA’s file records it issued September 29, 2020 and expiring March 31, 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 | MAPLE RIDGE MHP WWTP |
|---|---|
| Permittee as filed | Larry Goodfellow |
| NPDES ID | MO0105007 |
| 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 | September 29, 2020 |
| Expiration date | March 31, 2025 |
| Address | Wright City, MO 63390 |
| Receiving water | Tributary to Skunk Creek |
| Subwatershed | Headwaters Peruque Creek (HUC 071100090101) |
| 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
- 9Pollutants on file
- 9Under 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 | 15 | 9 | December 31, 2023 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 15 | 7 | June 30, 2022 | 453% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 10 | 2 | December 31, 2011 | 99% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 10 | 0 | ||
| pH | 2 | 8 | 0 | ||
| Solids, total suspended | 2 | 8 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 8 | 0 | ||
| Chlorine, total residual | 2 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 2 | 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
- 11Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 14, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| April 4, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| October 19, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| January 13, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| October 13, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| March 30, 2021 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 30, 2021 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| September 1, 2020 | Effluent Violations - Numeric effluent violation | ST6 |
| June 29, 2020 | Effluent Violations - Numeric effluent violation | ST6 |
| January 18, 2019 | Effluent Violations - Numeric effluent violation | ST6 |
| January 18, 2019 | 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 MO0105007 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.