Clean Water Act discharge permit · NPDES MOGD00188
MISSION BAY WWTF, Camdenton, MO: NPDES MOGD00188 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
MISSION BAY WWTF, held by Mission Bay LLC, holds NPDES permit MOGD00188, which discharges to Tributary To Lake Of The Ozarks. EPA’s file records it issued April 1, 2020 and expiring June 30, 2024. 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 | MISSION BAY WWTF |
|---|---|
| Permittee as filed | Mission Bay LLC |
| NPDES ID | MOGD00188 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | April 1, 2020 |
| Expiration date | June 30, 2024 |
| Address | Camdenton, MO 65020 |
| Receiving water | Tributary to Lake of the Ozarks |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Porter Mill Bend-Lake of the Ozarks (HUC 102901090207) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 9Pollutants on file
- 8Under a numeric limit
- 9With a violation of any kind
- 3With 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] | 2 | 20 | 16 | March 31, 2026 | 1,260% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 11 | 7 | December 31, 2025 | 99,999% over the limit |
| Solids, total suspended | 2 | 5 | 1 | March 31, 2023 | 5% over the limit |
| Oxygen, dissolved [DO] | 2 | 6 | 0 | ||
| Chlorine, total residual | 2 | 6 | 0 | ||
| pH | 2 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| E. coli | 2 | 4 | 0 | ||
| E. coli, colony forming units [CFU] | 0 | 2 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 9, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
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 MOGD00188 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.