Clean Water Act discharge permit · NPDES MO0048640
KEYTESVILLE WWTF, Keytesville, MO: NPDES MO0048640 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
KEYTESVILLE WWTF, held by City of Keytesville, holds NPDES permit MO0048640, which discharges to Mussel Fork Cr.. EPA’s file records it issued September 5, 2018 and expiring June 30, 2022. 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 | KEYTESVILLE WWTF |
|---|---|
| Permittee as filed | City of Keytesville |
| NPDES ID | MO0048640 |
| 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 | September 5, 2018 |
| Expiration date | June 30, 2022 |
| Address | Keytesville, MO 65261 |
| Receiving water | Mussel Fork Cr. |
| Subwatershed | Mussel Fork (HUC 102802020310) |
| 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
- 11Pollutants on file
- 9Under a numeric limit
- 11With a violation of any kind
- 7With 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 |
|---|---|---|---|---|---|
| E. coli | 2 | 34 | 16 | June 30, 2026 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 13 | 11 | June 30, 2026 | 298% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 9 | 6 | September 30, 2021 | 47% over the limit |
| Solids, suspended percent removal | 1 | 4 | 4 | June 30, 2026 | 186% over the limit |
| Coliform, fecal general | 0 | 4 | 4 | October 31, 2014 | 5,400% over the limit |
| BOD, 5-day, percent removal | 1 | 3 | 3 | March 31, 2023 | 186% over the limit |
| Ammonia [as N] + unionized ammonia | 0 | 1 | 1 | January 31, 2010 | 52% over the limit |
| pH | 1 | 31 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 6 | 0 | ||
| Solids, total suspended | 2 | 3 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 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
- 10Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 8, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| February 8, 2024 | Permit Violations - Unapproved Operation | ST6 |
| February 8, 2024 | Permit Violations - Failure to Submit Timely Permit Renewal Application | ST6 |
| February 8, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
| December 16, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| August 21, 2019 | Effluent Violations - Numeric effluent violation | ST6 |
| August 21, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
| December 29, 2017 | Effluent Violations - Numeric effluent violation | ST6 |
| September 29, 2017 | Effluent Violations - Numeric effluent violation | ST6 |
| March 30, 2017 | Reporting Violations - Improper/ Incorrect Reporting | 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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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.