Clean Water Act discharge permit · NPDES MO0117862
COFFEY WWTF, Coffey, MO: NPDES MO0117862 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
COFFEY WWTF, held by City of Coffey, holds NPDES permit MO0117862, which discharges to Tributary To Little Cypress Creek. EPA’s file records it issued December 10, 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 | COFFEY WWTF |
|---|---|
| Permittee as filed | City of Coffey |
| NPDES ID | MO0117862 |
| 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 | December 10, 2019 |
| Expiration date | December 31, 2021 |
| Address | Coffey, MO 64636 |
| Receiving water | Tributary to Little Cypress Creek |
| Subwatershed | Cypress Creek (HUC 102801011201) |
| 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
- 9Under a numeric limit
- 9With a violation of any kind
- 3With 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 | 3 | 5 | 2 | June 30, 2016 | 29% over the limit |
| Solids, total suspended | 3 | 5 | 2 | June 30, 2016 | 20% over the limit |
| E. coli | 4 | 4 | 2 | December 31, 2021 | 444% over the limit |
| pH | 2 | 27 | 0 | ||
| Nitrogen, ammonia total [as N] | 6 | 2 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 | ||
| BOD, 5-day, percent removal | 1 | 1 | 0 | ||
| Solids, suspended percent removal | 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
- 12Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 28, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| February 20, 2024 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| February 20, 2024 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| February 20, 2024 | Permit Violations - Unapproved Operation | ST6 |
| February 20, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
| November 16, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| June 30, 2022 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| March 31, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| March 31, 2022 | Permit Violations - Failure to Submit Timely Permit Renewal Application | ST6 |
| September 30, 2021 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| September 13, 2019 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| September 13, 2019 | 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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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 MO0117862 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.