Clean Water Act discharge permit · NPDES MOG490323
BRECKENRIDGE PLANT 03 - CHESTERFIELD, Chesterfield, MO: NPDES MOG490323 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
BRECKENRIDGE PLANT 03 - CHESTERFIELD, held by BRECKENRIDGE MATERIAL COM, holds NPDES permit MOG490323, which discharges to Tributary To Bonhomme Creek. EPA’s file records it issued June 5, 2017 and expiring April 30, 2022. 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 | BRECKENRIDGE PLANT 03 - CHESTERFIELD |
|---|---|
| Permittee as filed | BRECKENRIDGE MATERIAL COM |
| NPDES ID | MOG490323 |
| 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 |
| Program | Industrial stormwater |
| Issued | June 5, 2017 |
| Expiration date | April 30, 2022 |
| Address | Chesterfield, MO 63017 |
| Receiving water | Tributary to Bonhomme Creek |
| Subwatershed | Bonhomme Creek (HUC 103002000701) |
| SIC | 3273 – Ready-Mixed Concrete |
| Other EPA IDs (FRS) | ICIS-AIR source MO0000002918900104 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 5Pollutants on file
- 5Under a numeric limit
- 5With a violation of any kind
- 1With 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 | 8 | 4 | June 30, 2026 | 1,231% over the limit |
| pH | 2 | 4 | 0 | ||
| Solids, settleable | 2 | 4 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 7, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
| January 27, 2026 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| January 27, 2026 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| January 27, 2026 | WW Storm Water Construction - Failure to develop any or adequate SWPPP/SWMP | 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, MOG490323.
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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 MOG490323 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.