Clean Water Act discharge permit · NPDES MO0100358
MAWC, INCLINE VILLAGE NO. 2 WWTF, Foristell, MO: NPDES MO0100358 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
MAWC, INCLINE VILLAGE NO. 2 WWTF, held by MISSOURI-AMERICAN WATER COMPANY, holds NPDES permit MO0100358, which discharges to Incline Village Lake. EPA’s file records it issued April 1, 2024 and expiring March 31, 2029. 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, INCLINE VILLAGE NO. 2 WWTF |
|---|---|
| Permittee as filed | MISSOURI-AMERICAN WATER COMPANY |
| NPDES ID | MO0100358 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | April 1, 2024 |
| Expiration date | March 31, 2029 |
| Address | Foristell, MO 63348 |
| Receiving water | Incline Village Lake |
| Subwatershed | Indian Camp Creek (HUC 071100080407) |
| SIC | 8811 – Private Households |
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
- 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 2 | 27 | 25 | January 31, 2007 | 950% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 21 | 19 | January 31, 2007 | 300% over the limit |
| Phosphorus, total [as P] | 0 | 5 | 5 | July 31, 2026 | 88% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 3 | 3 | December 31, 2025 | 145% over the limit |
| pH | 2 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| E. coli | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 7, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
| May 27, 2025 | 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.
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, MO0100358.
Start the watch
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- One watershed — $2,990/year
- One state — $4,990/year
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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 MO0100358 there.
Nearby on the register
- Discharge permits in Foristell
- Every permit record in Foristell, A to Z
- Discharge permits in Missouri
- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.