Clean Water Act discharge permit · NPDES MO0025739
HUMANSVILLE WWTF, Humansville, MO: NPDES MO0025739 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
HUMANSVILLE WWTF, held by City of Humansville, holds NPDES permit MO0025739, which discharges to Brush Cr.. EPA’s file records it issued August 21, 2019 and expiring June 30, 2024. 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 | HUMANSVILLE WWTF |
|---|---|
| Permittee as filed | City of Humansville |
| NPDES ID | MO0025739 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | August 21, 2019 |
| Expiration date | June 30, 2024 |
| Address | Humansville, MO 65674 |
| Receiving water | Brush Cr. |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Headwaters Brush Creek (HUC 102901061003) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 18Pollutants on file
- 13Under a numeric limit
- 16With a violation of any kind
- 9With 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 | 3 | 33 | 24 | February 28, 2026 | 177% over the limit |
| E. coli, colony forming units [CFU] | 0 | 17 | 15 | August 31, 2019 | 864% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 16 | 10 | January 31, 2020 | 307% over the limit |
| E. coli | 2 | 10 | 10 | June 30, 2025 | 358% over the limit |
| Coliform, fecal general | 0 | 11 | 9 | October 31, 2012 | 40,400% over the limit |
| Solids, suspended percent removal | 1 | 6 | 5 | March 31, 2025 | 186% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 13 | 4 | February 28, 2026 | 31% over the limit |
| BOD, 5-day, percent removal | 1 | 5 | 4 | November 30, 2024 | 43% over the limit |
| pH | 2 | 19 | 1 | May 31, 2021 | |
| Oxygen, dissolved [DO] | 2 | 28 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 6 | 0 | ||
| Phosphorus, total [as P] | 4 | 4 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 4 | 0 | ||
| Nitrogen, total [as N] | 0 | 4 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 0 | 1 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 0 | 1 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 4 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 4 | 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
- 9Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 23, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| September 25, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| December 7, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| September 21, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| August 10, 2018 | WW SSO - Failure to report violation that may endanger public health 122.41(l)(7) | ST6 |
| August 10, 2018 | Permit Violations - Violation Specified in Comment | ST6 |
| August 10, 2018 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| December 21, 2017 | Effluent Violations - Numeric effluent violation | ST6 |
| September 29, 2017 | Effluent Violations - Numeric effluent violation | 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 MO0025739 there.
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.