Clean Water Act discharge permit · NPDES MO0088986
MAWC LAKE CARMEL WWTF, Eugene, MO: NPDES MO0088986 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
- 1Inspections on file
- 0Formal enforcement actions
MAWC LAKE CARMEL WWTF, held by Missouri American Water Co, holds NPDES permit MO0088986, which discharges to Tributary To Clark Fk.. EPA’s file records it issued April 8, 2015 and expiring December 31, 2019. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | MAWC LAKE CARMEL WWTF |
|---|---|
| Permittee as filed | Missouri American Water Co |
| NPDES ID | MO0088986 |
| 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 | April 8, 2015 |
| Expiration date | December 31, 2019 |
| Address | Eugene, MO 65032 |
| Receiving water | Tributary to Clark Fk. |
| Subwatershed | Lower South Moreau River (HUC 103001021205) |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 12Pollutants on file
- 11Under a numeric limit
- 8With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 2 | 34 | 30 | April 30, 2015 | 525% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 12 | 10 | December 31, 2025 | 227% over the limit |
| pH | 2 | 10 | 2 | June 30, 2025 | |
| BOD, 5-day, 20 deg. C | 6 | 6 | 2 | April 30, 2022 | 33% over the limit |
| Coliform, fecal general | 0 | 1 | 1 | October 31, 2012 | 117% over the limit |
| Oxygen, dissolved [DO] | 2 | 12 | 0 | ||
| Solids, total suspended | 6 | 6 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Flow | 4 | 0 | 0 | ||
| E. coli | 2 | 0 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 1 | 0 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 1 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| October 14, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| September 24, 2026 | Evaluation | S |
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES MO0088986.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MO0088986.
Start the watch
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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 MO0088986 there.
Nearby on the register
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- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.