Clean Water Act discharge permit · NPDES MOG491210
MAGRUDER LIMESTONE CO SHELBINA QUARRY, Shelbyville, MO: NPDES MOG491210 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
MAGRUDER LIMESTONE CO SHELBINA QUARRY, held by Magruder Limestone Company Inc, holds NPDES permit MOG491210, which discharges to Hale Branch. 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 (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | MAGRUDER LIMESTONE CO SHELBINA QUARRY |
|---|---|
| Permittee as filed | Magruder Limestone Company Inc |
| NPDES ID | MOG491210 |
| 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 | Shelbyville, MO 63469 |
| Receiving water | Hale Branch |
| Subwatershed | Briggs Branch-North Fork Salt River (HUC 071100050302) |
| NAICS | 212311 – Dimension Stone Mining and Quarrying |
| SIC | 1422 – Crushed And Broken Limestone |
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
- 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 | 30 | 2 | December 31, 2015 | 49% over the limit |
| Oil and grease [soxhlet extr.] tot. | 2 | 30 | 0 | ||
| pH | 2 | 26 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 16 | 0 | ||
| Solids, settleable | 2 | 12 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 2, 2024 | Reporting Violations - Failure to Submit DMRs | ST6 |
| June 28, 2024 | 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
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, MOG491210.
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 MOG491210 there.
Nearby on the register
- Discharge permits in Shelbyville
- Every permit record in Shelbyville, A to Z
- Discharge permits in Missouri
- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.