Clean Water Act discharge permit · NPDES MO0044083
CLEMSTONE WWTF, Platte City, MO: NPDES MO0044083 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
CLEMSTONE WWTF, held by Confluence Rivers Utility Operating Comp, holds NPDES permit MO0044083, which discharges to Tributary To Clear Branch. EPA’s file records it issued January 1, 2020 and expiring December 31, 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 | CLEMSTONE WWTF |
|---|---|
| Permittee as filed | Confluence Rivers Utility Operating Comp |
| NPDES ID | MO0044083 |
| 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 |
| Program | Publicly owned treatment works |
| Issued | January 1, 2020 |
| Expiration date | December 31, 2024 |
| Address | Platte City, MO 64079 |
| Receiving water | Tributary to Clear Branch |
| Subwatershed | Jowler Creek-Lower Platte River (HUC 102400120901) |
| 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
- 6Under a numeric limit
- 9With a violation of any kind
- 8With 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 | 72 | 61 | June 30, 2024 | 380% over the limit |
| Solids, total suspended | 2 | 71 | 60 | June 30, 2024 | 257% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 32 | 28 | June 30, 2024 | 2,118% over the limit |
| E. coli | 2 | 30 | 28 | September 30, 2024 | 10,094% over the limit |
| Ammonia [as N] + unionized ammonia | 0 | 18 | 18 | September 30, 2014 | 1,739% over the limit |
| pH | 2 | 13 | 3 | June 30, 2023 | |
| Solids, suspended percent removal | 0 | 3 | 2 | September 30, 2021 | 84% over the limit |
| BOD, 5-day, percent removal | 0 | 2 | 1 | March 31, 2021 | 157% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MO0044083.
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 MO0044083 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.