Clean Water Act discharge permit · NPDES MO0128694
BIG CEDAR SUBDIVISION WWTP, Moscow Mills, MO: NPDES MO0128694 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
BIG CEDAR SUBDIVISION WWTP, held by Big Cedar Trustee LLC, holds NPDES permit MO0128694, which discharges to Bobs Cr.. EPA’s file records it issued October 17, 2018 and expiring September 30, 2023. 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 | BIG CEDAR SUBDIVISION WWTP |
|---|---|
| Permittee as filed | Big Cedar Trustee LLC |
| NPDES ID | MO0128694 |
| 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 | October 17, 2018 |
| Expiration date | September 30, 2023 |
| Address | Moscow Mills, MO 63362 |
| Receiving water | Bobs Cr. |
| Subwatershed | Bobs Creek (HUC 071100041108) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 6Under a numeric limit
- 5With 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] | 4 | 5 | 5 | March 31, 2026 | 2,257% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 4 | 4 | September 30, 2020 | 380% over the limit |
| E. coli | 2 | 4 | 2 | June 30, 2021 | 39,512% over the limit |
| Chlorine, total residual | 0 | 2 | 2 | September 30, 2014 | 25% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Solids, total suspended | 2 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 7, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
| October 1, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| February 27, 2019 | 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 MO0128694 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.