Clean Water Act discharge permit · NPDES MO0100986
AUXVASSE WWTF, Auxvasse, MO: NPDES MO0100986 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
AUXVASSE WWTF, held by City of Auxvasse, holds NPDES permit MO0100986, which discharges to Auxvasse Cr.. EPA’s file records it issued September 30, 2014 and expiring September 30, 2019. 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 | AUXVASSE WWTF |
|---|---|
| Permittee as filed | City of Auxvasse |
| NPDES ID | MO0100986 |
| 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 30, 2014 |
| Expiration date | September 30, 2019 |
| Issuing agency | MODNR-Water Protection Program |
| Address | Auxvasse, MO 65231 |
| Receiving water | Auxvasse Cr. |
| Subwatershed | Pinch Creek-Auxvasse Creek (HUC 103001021505) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 0Under a numeric limit
- 10With a violation of any kind
- 2With 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] | 0 | 10 | 10 | June 30, 2013 | 216% over the limit |
| pH | 0 | 5 | 5 | June 30, 2013 | |
| Application rate area sprayed | 0 | 108 | 0 | ||
| Application rate, gallons spray irrigation | 0 | 108 | 0 | ||
| Spray irrigation | 0 | 108 | 0 | ||
| Spray irrigation, application rate | 0 | 108 | 0 | ||
| Rainfall | 0 | 54 | 0 | ||
| Depth to water level ft below landsurface | 0 | 27 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 1 | 0 | ||
| Solids, total suspended | 0 | 1 | 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
- 15Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 6, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
| December 6, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 31, 2022 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 31, 2022 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| September 30, 2021 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| June 30, 2020 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 31, 2020 | Reporting Violations - Failure to Submit DMRs | ST6 |
| November 15, 2019 | Reporting Violations - Failure to Submit DMRs | ST6 |
| November 15, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
| November 15, 2019 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| July 9, 2019 | Reporting Violations - Failure to Submit DMRs | ST6 |
| May 4, 2017 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| May 4, 2017 | Permit Violations - Violation Specified in Comment | ST6 |
| May 4, 2017 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| May 4, 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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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 MO0100986 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.