Clean Water Act discharge permit · NPDES MO0096881
R.D. SEWER CO., LLC WWTP, Dexter, MO: NPDES MO0096881 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
R.D. SEWER CO., LLC WWTP, held by Liberty Utilities (Missouri Water) LLC, holds NPDES permit MO0096881, which discharges to Tributary To Cane Creek. EPA’s file records it issued August 29, 2019 and expiring June 30, 2024. 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 | R.D. SEWER CO., LLC WWTP |
|---|---|
| Permittee as filed | Liberty Utilities (Missouri Water) LLC |
| NPDES ID | MO0096881 |
| 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 | August 29, 2019 |
| Expiration date | June 30, 2024 |
| Address | Dexter, MO 63841 |
| Receiving water | Tributary to Cane Creek |
| Subwatershed | Dudley Main Ditch (HUC 080202030302) |
| SIC | 8641 – Civic And Social Associations |
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
- 7Pollutants on file
- 7Under a numeric limit
- 7With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 2 | 105 | 105 | February 28, 2026 | 727% over the limit |
| Solids, total suspended | 2 | 94 | 92 | April 30, 2026 | 853% over the limit |
| E. coli | 2 | 92 | 92 | July 31, 2026 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 71 | 71 | May 31, 2026 | 2,623% over the limit |
| pH | 2 | 15 | 5 | February 28, 2026 | |
| Oil and grease [soxhlet extr.] tot. | 2 | 2 | 2 | March 31, 2018 | 56% over the limit |
| Flow, in conduit or thru treatment plant | 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
- 12Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 31, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| August 3, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| December 27, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| September 16, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| September 16, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| June 27, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| March 28, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| September 29, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| July 7, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| March 31, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| October 9, 2020 | Effluent Violations - Numeric effluent violation | ST6 |
| July 9, 2019 | 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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Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.