Clean Water Act discharge permit · NPDES MO0045837
LIBERAL WWTF, Liberal, MO: NPDES MO0045837 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
LIBERAL WWTF, held by City of Liberal, holds NPDES permit MO0045837, which discharges to Tributary To Bitter Creek. EPA’s file records it issued September 19, 2017 and expiring June 30, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | LIBERAL WWTF |
|---|---|
| Permittee as filed | City of Liberal |
| NPDES ID | MO0045837 |
| 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 19, 2017 |
| Expiration date | June 30, 2022 |
| Address | Liberal, MO 64762 |
| Receiving water | Tributary to Bitter Creek |
| Subwatershed | East Fork Dry Wood Creek (HUC 102901040201) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 11Pollutants on file
- 11Under a numeric limit
- 9With 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 | 4 | 20 | 16 | June 30, 2026 | 1,168% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 23 | 11 | February 28, 2026 | 164% over the limit |
| Solids, total suspended | 2 | 18 | 8 | September 30, 2025 | 71% over the limit |
| BOD, 5-day, percent removal | 1 | 5 | 3 | June 30, 2022 | 105% over the limit |
| Solids, suspended percent removal | 1 | 4 | 2 | June 30, 2024 | 105% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 11 | 1 | August 31, 2016 | 33% over the limit |
| pH | 1 | 8 | 1 | August 31, 2018 | |
| Flow, in conduit or thru treatment plant | 2 | 6 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 4 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 0 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 0 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 26, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| March 14, 2023 | Effluent Violations - Numeric effluent violation | ST6 |
| March 21, 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.
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 MO0045837 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.