Clean Water Act discharge permit · NPDES MO0102181
DUDLEY WWTP, Dudley, MO: NPDES MO0102181 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
DUDLEY WWTP, held by City of Dudley, holds NPDES permit MO0102181, which discharges to Lick Creek Ditch. EPA’s file records it issued July 20, 2017 and expiring March 31, 2019. 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 | DUDLEY WWTP |
|---|---|
| Permittee as filed | City of Dudley |
| NPDES ID | MO0102181 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | July 20, 2017 |
| Expiration date | March 31, 2019 |
| Address | Dudley, MO 63936 |
| Receiving water | Lick Creek Ditch |
| Subwatershed | Lick Creek Ditch (HUC 080202030202) |
| 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
- 11Pollutants on file
- 11Under a numeric limit
- 9With a violation of any kind
- 7With 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 | 87 | 80 | July 31, 2026 | 2,693% over the limit |
| Solids, total suspended | 4 | 68 | 60 | June 30, 2026 | 450% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 47 | 40 | March 31, 2026 | 302% over the limit |
| E. coli | 4 | 35 | 29 | October 31, 2025 | 1,075% over the limit |
| BOD, 5-day, percent removal | 2 | 24 | 21 | March 31, 2026 | 567% over the limit |
| pH | 2 | 27 | 20 | January 31, 2024 | |
| Solids, suspended percent removal | 2 | 18 | 15 | March 31, 2026 | 567% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 8 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 8 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 0 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 0 | 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 |
|---|---|---|
| November 16, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 19, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| June 27, 2019 | Effluent Violations - Numeric effluent violation | ST6 |
| September 24, 2018 | 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
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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 MO0102181 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.