Clean Water Act discharge permit · NPDES MO0022080
HAMILTON NE WWTF, Hamilton, MO: NPDES MO0022080 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
HAMILTON NE WWTF, held by City of Hamilton, holds NPDES permit MO0022080, which discharges to Tributary To Lick Fork. EPA’s file records it issued October 31, 2019 and expiring March 31, 2022. 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 | HAMILTON NE WWTF |
|---|---|
| Permittee as filed | City of Hamilton |
| NPDES ID | MO0022080 |
| 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 | October 31, 2019 |
| Expiration date | March 31, 2022 |
| Address | Hamilton, MO 64644 |
| Receiving water | Tributary to Lick Fork |
| Subwatershed | Lick Fork (HUC 102801011703) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 12Pollutants on file
- 12Under a numeric limit
- 11With a violation of any kind
- 6With 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 | 61 | 61 | July 31, 2026 | 99,999% over the limit |
| Solids, suspended percent removal | 1 | 49 | 49 | July 31, 2026 | 186% over the limit |
| BOD, 5-day, percent removal | 1 | 28 | 28 | July 31, 2026 | 186% over the limit |
| pH | 2 | 101 | 20 | May 31, 2026 | |
| BOD, 5-day, 20 deg. C | 3 | 24 | 14 | March 31, 2026 | 62% over the limit |
| Solids, total suspended | 3 | 17 | 7 | May 31, 2026 | 33% over the limit |
| Nitrogen, Kjeldahl, total [as N] | 4 | 8 | 0 | ||
| Nitrite + Nitrate total [as N] | 4 | 8 | 0 | ||
| Phosphorus, total [as P] | 4 | 8 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 4 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 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
- 16Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 21, 2026 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| May 21, 2026 | Permit Violations - Violation Specified in Comment | ST6 |
| May 21, 2026 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| May 21, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
| May 21, 2026 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| December 20, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| September 19, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| September 16, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| March 23, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| March 21, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| September 22, 2021 | Reporting Violations - Failure to Submit DMRs | ST6 |
| September 22, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| March 19, 2021 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 19, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| September 30, 2019 | Effluent Violations - Numeric effluent violation | ST6 |
| January 11, 2019 | Effluent Violations - Numeric effluent violation | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 MO0022080 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.