Clean Water Act discharge permit · NPDES MO0044113
MARTHASVILLE WWTF, Marthasville, MO: NPDES MO0044113 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
MARTHASVILLE WWTF, held by City of Marthasville, holds NPDES permit MO0044113, which discharges to Tributary To Tuque Creek. EPA’s file records it issued April 25, 2017 and expiring December 31, 2020. 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 | MARTHASVILLE WWTF |
|---|---|
| Permittee as filed | City of Marthasville |
| NPDES ID | MO0044113 |
| 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 | April 25, 2017 |
| Expiration date | December 31, 2020 |
| Address | Marthasville, MO 63357 |
| Receiving water | Tributary to Tuque Creek |
| Subwatershed | Middle Charrette Creek (HUC 103002000506) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 15Pollutants on file
- 13Under a numeric limit
- 13With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 4 | 118 | 32 | July 31, 2023 | 1,108% over the limit |
| Solids, total suspended | 2 | 94 | 6 | March 31, 2024 | 60% over the limit |
| E. coli | 2 | 52 | 6 | May 31, 2024 | 385% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 91 | 3 | March 31, 2014 | 24% over the limit |
| Solids, suspended percent removal | 1 | 43 | 2 | March 31, 2022 | 51% over the limit |
| pH | 1 | 94 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 84 | 0 | ||
| BOD, 5-day, percent removal | 1 | 41 | 0 | ||
| Phosphorus, total [as P] | 2 | 30 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 26 | 0 | ||
| Nitrogen, total [as N] | 2 | 26 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 6 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 6 | 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
- 7Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 2, 2026 | Reporting Violations - Failure to Submit DMRs | ST6 |
| July 3, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| July 3, 2019 | Reporting Violations - Failure to Submit DMRs | ST6 |
| July 3, 2019 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| September 28, 2018 | Effluent Violations - Numeric effluent violation | ST6 |
| June 29, 2018 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 21, 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.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MO0044113.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 MO0044113 there.
Nearby on the register
- Discharge permits in Marthasville
- Every permit record in Marthasville, A to Z
- Discharge permits in Missouri
- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.