Clean Water Act discharge permit · NPDES MOL025151
MSD LEMAY WASTEWATER TREATMENT PLANT, St. Louis, MO: NPDES MOL025151 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
MSD LEMAY WASTEWATER TREATMENT PLANT, held by Metropolitan St. Louis Sewer District, holds NPDES permit MOL025151. EPA’s file records it issued January 1, 2021 and expiring December 31, 2025. 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.
What the register holds for MSD LEMAY WASTEWATER TREATMENT PLANT: its NPDES ID, its permit type and status, its dates, its address in St. Louis, Missouri. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MOL025151.
Identity
| Facility as filed | MSD LEMAY WASTEWATER TREATMENT PLANT |
|---|---|
| Permittee as filed | Metropolitan St. Louis Sewer District |
| NPDES ID | MOL025151 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Associated permit record |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Biosolids |
| Issued | January 1, 2021 |
| Expiration date | December 31, 2025 |
| Address | St. Louis, MO 63125 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Schoenberger Creek-Mississippi River (HUC 071401010403) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES MOL025151.
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 MOL025151.
Inspections
EPA’s inspection file holds no inspection for NPDES MOL025151.
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 MOL025151.
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, MOL025151.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 MOL025151 there.
MSD LEMAY WASTEWATER TREATMENT PLANT, St. Louis, Missouri: Associated permit record MOL025151, held by Metropolitan St. Louis Sewer District; Biosolids; Administratively continued (past its expiration date and still in force until reissued); issued January 1, 2021, term to December 31, 2025.
Nearby on the register
- Discharge permits in St. Louis
- Every permit record in St. Louis, A to Z
- Discharge permits in Missouri
- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.
What this page shows
The MSD LEMAY WASTEWATER TREATMENT PLANT permit is one of 8 biosolids permits in St. Louis County, and it is one of 98 NPDES permits in the Schoenberger Creek-Mississippi River subwatershed. It records no pollutants with a numeric limit and no pollutants with an effluent exceedance.