Clean Water Act discharge permit · NPDES MO0083984
ADAMS SUBDIVISION WWTF, Salem, MO: NPDES MO0083984 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
ADAMS SUBDIVISION WWTF, held by Adams Subdivision HOA, holds NPDES permit MO0083984, which discharges to 8-20-13 Mudd V1.0. EPA’s file records it issued January 1, 2018 and expiring December 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | ADAMS SUBDIVISION WWTF |
|---|---|
| Permittee as filed | Adams Subdivision HOA |
| NPDES ID | MO0083984 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | January 1, 2018 |
| Expiration date | December 31, 2022 |
| Issuing agency | MODNR-Water Protection Program |
| Address | Salem, MO 65560 |
| Receiving water | 8-20-13 MUDD V1.0 |
| Subwatershed | Spring Creek (HUC 071401020103) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 9Pollutants on file
- 0Under a numeric limit
- 9With 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 | 0 | 47 | 41 | June 30, 2026 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 0 | 46 | 40 | June 30, 2026 | 962% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 32 | 26 | June 30, 2026 | 3,282% over the limit |
| Solids, total suspended | 0 | 11 | 5 | March 31, 2026 | 137% over the limit |
| pH | 0 | 6 | 2 | June 30, 2020 | |
| Coliform, fecal general | 0 | 2 | 2 | September 30, 2013 | 24,900% over the limit |
| Oxygen, dissolved [DO] | 0 | 8 | 0 | ||
| Chlorine, total residual | 0 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 6 | 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 |
|---|---|---|
| December 10, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| October 2, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| July 31, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| July 31, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| December 30, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| March 6, 2024 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| March 6, 2024 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 6, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| March 6, 2024 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| March 6, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
| November 16, 2023 | Reporting Violations - Failure to Submit DMRs | ST6 |
| March 28, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| December 30, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| December 30, 2021 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| March 31, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| February 15, 2018 | 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 MO0083984 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.