Clean Water Act discharge permit · NPDES MO0097390
CLINTON WWTP, Clinton, MO: NPDES MO0097390 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 13Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
CLINTON WWTP, held by City of Clinton, holds NPDES permit MO0097390, which discharges to Coal Cr.. EPA’s file records it issued May 25, 2018 and expiring June 30, 2021. 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 | CLINTON WWTP |
|---|---|
| Permittee as filed | City of Clinton |
| NPDES ID | MO0097390 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | May 25, 2018 |
| Expiration date | June 30, 2021 |
| Address | Clinton, MO 64735 |
| Receiving water | Coal Cr. |
| Subwatershed | Inlet Harry S. Truman Reservoir-South Grand River (HUC 102901080703) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 14Pollutants on file
- 13Under a numeric limit
- 14With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 2 | 11 | 9 | January 31, 2011 | 172% over the limit |
| E. coli | 2 | 10 | 8 | June 30, 2021 | 1,821% over the limit |
| pH | 2 | 4 | 2 | December 31, 2013 | |
| Nitrogen, ammonia total [as N] | 2 | 4 | 2 | July 31, 2026 | 299% over the limit |
| BOD, 5-day, percent removal | 1 | 3 | 2 | January 31, 2024 | 17% over the limit |
| Oil and grease [soxhlet extr.] tot. | 2 | 7 | 1 | March 31, 2015 | 73% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 3 | 1 | December 31, 2003 | 5% over the limit |
| Solids, suspended percent removal | 1 | 2 | 1 | February 28, 2021 | 107% over the limit |
| Ammonia [as N] + unionized ammonia | 0 | 63 | 0 | ||
| Nitrogen, nitrite total [as N] | 4 | 12 | 0 | ||
| Phosphorus, total [as P] | 4 | 12 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 1 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 1 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 26, 2025 | Permit Violations - Violation Specified in Comment | 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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- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.