Clean Water Act discharge permit · NPDES MOG490494
CHILLICOTHE READY MIX, Chillicothe, MO: NPDES MOG490494 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
CHILLICOTHE READY MIX, held by Fischer Concrete Services, LLC, holds NPDES permit MOG490494, which discharges to Tributary To Coon Creek. EPA’s file records it issued May 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 | CHILLICOTHE READY MIX |
|---|---|
| Permittee as filed | Fischer Concrete Services, LLC |
| NPDES ID | MOG490494 |
| 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 | May 1, 2022 |
| Expiration date | April 30, 2027 |
| Address | Chillicothe, MO 64601 |
| Receiving water | Tributary to Coon Creek |
| Subwatershed | Blackwell Branch-Grand River (HUC 102801011708) |
| NAICS | 327320 – Ready-Mix Concrete Manufacturing |
| SIC | 3273 – Ready-Mixed Concrete |
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
- 6Pollutants on file
- 5Under a numeric limit
- 6With 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 | 2 | 21 | 11 | December 31, 2025 | |
| Solids, total suspended | 2 | 12 | 2 | June 30, 2025 | 23% over the limit |
| Solids, settleable | 2 | 10 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 10 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 8 | 0 | ||
| Storm water flow | 0 | 2 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 31, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
| August 15, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| September 29, 2023 | Reporting Violations - Improper/ Incorrect Reporting | 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 MOG490494 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.