Clean Water Act discharge permit · NPDES MO0081906
MAPAVILLE MEADOWS WWTF, Festus, MO: NPDES MO0081906 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
MAPAVILLE MEADOWS WWTF, held by Mapaville Meadows HOA, holds NPDES permit MO0081906, which discharges to Tributary To Sandy Cr.. EPA’s file records it issued November 13, 2017 and expiring December 31, 2021. 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 | MAPAVILLE MEADOWS WWTF |
|---|---|
| Permittee as filed | Mapaville Meadows HOA |
| NPDES ID | MO0081906 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 13, 2017 |
| Expiration date | December 31, 2021 |
| Address | Festus, MO 63028 |
| Receiving water | Tributary to Sandy Cr. |
| Subwatershed | Sandy Creek (HUC 071401010803) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 6Pollutants on file
- 6Under a numeric limit
- 6With a violation of any kind
- 4With 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] | 6 | 53 | 21 | September 30, 2025 | 99,999% over the limit |
| E. coli | 4 | 45 | 21 | June 30, 2026 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 55 | 13 | June 30, 2024 | 187% over the limit |
| Solids, total suspended | 2 | 51 | 11 | June 30, 2024 | 2,250% over the limit |
| pH | 2 | 40 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 40 | 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
- 19Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 15, 2025 | Effluent Violations - Narrative Effluent Violation | ST6 |
| December 15, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| December 15, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| June 16, 2022 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| November 16, 2021 | Effluent Violations - Unauthorized Discharge | ST6 |
| November 16, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| November 16, 2021 | Effluent Violations - Narrative Effluent Violation | ST6 |
| November 16, 2021 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| November 16, 2021 | Permit Violations - Failure to Submit Timely Permit Renewal Application | ST6 |
| November 16, 2021 | Permit Violations - Violation Specified in Comment | ST6 |
| November 16, 2021 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| October 15, 2021 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 30, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| September 30, 2019 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| September 30, 2019 | Reporting Violations - Failure to Submit DMRs | ST6 |
| July 3, 2019 | Reporting Violations - Failure to Submit DMRs | ST6 |
| July 3, 2019 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| October 19, 2017 | Effluent Violations - Numeric effluent violation | ST6 |
| July 6, 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 MO0081906 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.