Clean Water Act discharge permit · NPDES MOG490870
THOMPSON BROS. READY-MIX CONCRETE, Brookfield, MO: NPDES MOG490870 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
THOMPSON BROS. READY-MIX CONCRETE, held by Robie Thompson, holds NPDES permit MOG490870, which discharges to Tributary To Elk Creek. EPA’s file records it issued June 1, 2017 and expiring April 30, 2022. 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 | THOMPSON BROS. READY-MIX CONCRETE |
|---|---|
| Permittee as filed | Robie Thompson |
| NPDES ID | MOG490870 |
| 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 1, 2017 |
| Expiration date | April 30, 2022 |
| Address | Brookfield, MO 64628 |
| Receiving water | Tributary to Elk Creek |
| Subwatershed | Spring Branch-Elk Creek (HUC 102801031302) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 5Pollutants on file
- 5Under a numeric limit
- 5With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| pH | 2 | 37 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 36 | 0 | ||
| Solids, total suspended | 2 | 34 | 0 | ||
| Solids, settleable | 2 | 34 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 32 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MOG490870.
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 |
|---|---|---|
| April 28, 2022 | Reporting Violations - Failure to Submit DMRs | ST6 |
| May 30, 2018 | 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.
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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 MOG490870 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.