Clean Water Act discharge permit · NPDES MO0120979
MELANIE COX WWTF, Salem, MO: NPDES MO0120979 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MELANIE COX WWTF, held by Virginia Vaughan, holds NPDES permit MO0120979, which discharges to Tributary To Nelson River. EPA’s file records it issued July 17, 2017 and expiring July 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 | MELANIE COX WWTF |
|---|---|
| Permittee as filed | Virginia Vaughan |
| NPDES ID | MO0120979 |
| 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 | July 17, 2017 |
| Expiration date | July 31, 2022 |
| Address | Salem, MO 65560 |
| Receiving water | Tributary to Nelson River |
| Subwatershed | Fishwater Creek-Meramec River (HUC 071401020204) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 8Pollutants on file
- 6Under a numeric limit
- 8With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 2 | 38 | 0 | ||
| pH | 2 | 38 | 0 | ||
| Solids, total suspended | 2 | 38 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 36 | 0 | ||
| Nitrogen, ammonia total [as N] | 6 | 34 | 0 | ||
| E. coli | 4 | 22 | 0 | ||
| Temperature, water deg. centigrade | 0 | 2 | 0 | ||
| Ammonia [as N] + unionized ammonia | 0 | 2 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MO0120979.
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MO0120979.
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 MO0120979 there.
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- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.