Clean Water Act discharge permit · NPDES MO0091570
TREXMART 16 WWTF, Winston, MO: NPDES MO0091570 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
TREXMART 16 WWTF, held by K.C.L. Express, Inc., holds NPDES permit MO0091570, which discharges to Tributary To Lazy Creek. EPA’s file records it issued January 15, 2019 and expiring December 31, 2021. 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 | TREXMART 16 WWTF |
|---|---|
| Permittee as filed | K.C.L. Express, Inc. |
| NPDES ID | MO0091570 |
| 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 | January 15, 2019 |
| Expiration date | December 31, 2021 |
| Address | Winston, MO 64689 |
| Receiving water | Tributary to Lazy Creek |
| Subwatershed | Smith Branch-Grindstone Creek (HUC 102801010709) |
| SIC | 5541 – Gasoline Service Stations |
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
- 8Pollutants on file
- 6Under a numeric limit
- 8With a violation of any kind
- 5With 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 | 38 | 10 | June 30, 2026 | 144% over the limit |
| pH | 2 | 24 | 3 | September 30, 2020 | |
| Nitrogen, ammonia total [as N] | 2 | 16 | 2 | May 31, 2025 | 175% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 29 | 1 | March 31, 2025 | 6% over the limit |
| E. coli | 0 | 1 | 1 | May 31, 2024 | 137% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 34 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 14 | 0 | ||
| Ammonia [as N] + unionized ammonia | 0 | 14 | 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
- 14Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 31, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
| March 28, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| November 16, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| February 25, 2022 | Effluent Violations - Unauthorized Discharge | ST6 |
| February 25, 2022 | Permit Violations - Unapproved Operation | ST6 |
| February 25, 2022 | Permit Violations - Failure to Submit Timely Permit Renewal Application | ST6 |
| February 25, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| June 30, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| June 30, 2021 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| June 30, 2021 | Reporting Violations - Failure to Submit DMRs | ST6 |
| September 30, 2019 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| December 19, 2018 | Reporting Violations - Failure to Submit DMRs | ST6 |
| May 10, 2017 | Permit Violations - Violation Specified in Comment | ST6 |
| May 10, 2017 | Permit Violations - Failure to Submit Timely Permit Renewal Application | 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
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.