Clean Water Act discharge permit · NPDES MOG490918
OZARK READY MIX PLATTE COUNTY, Platte City, MO: NPDES MOG490918 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
OZARK READY MIX PLATTE COUNTY, held by Ozark Ready Mix Company Inc, holds NPDES permit MOG490918, which discharges to Tributary To Platte R.. EPA’s file records it issued August 1, 2022 and expiring April 30, 2027. 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 | OZARK READY MIX PLATTE COUNTY |
|---|---|
| Permittee as filed | Ozark Ready Mix Company Inc |
| NPDES ID | MOG490918 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | August 1, 2022 |
| Expiration date | April 30, 2027 |
| Address | Platte City, MO 64079 |
| Receiving water | Tributary to Platte R. |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Platte River (HUC 102400120903) |
| SIC | 3273 – Ready-Mixed Concrete |
| Other EPA IDs (FRS) | ICIS-AIR source MO0000002916500024 |
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
- 2Pollutants on file
- 0Under a numeric limit
- 2With a violation of any kind
- 2With 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 | 0 | 7 | 7 | June 30, 2026 | |
| Solids, total suspended | 0 | 2 | 2 | September 30, 2025 | 206% over the limit |
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
- 6Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 30, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
| December 22, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| September 23, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| March 26, 2025 | Effluent Violations - Numeric effluent violation | ST6 |
| March 14, 2017 | WW Storm Water Construction - Failure to develop any or adequate SWPPP/SWMP | ST6 |
| March 14, 2017 | Permit Violations - Violation Specified in Comment | 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
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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 MOG490918 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.