Clean Water Act discharge permit · NPDES MOG350337
EMPIRE ENERGY MOUNTAIN GROVE BULK PLANT, Mountain Grove, MO: NPDES MOG350337 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
EMPIRE ENERGY MOUNTAIN GROVE BULK PLANT, held by EMPIRE ENERGY LLC, holds NPDES permit MOG350337, which discharges to 8-20-13 Mudd V1.0. EPA’s file records it issued November 1, 2017 and expiring September 17, 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 | EMPIRE ENERGY MOUNTAIN GROVE BULK PLANT |
|---|---|
| Permittee as filed | EMPIRE ENERGY LLC |
| NPDES ID | MOG350337 |
| 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 | November 1, 2017 |
| Expiration date | September 17, 2022 |
| Address | Mountain Grove, MO 65711 |
| Receiving water | 8-20-13 MUDD V1.0 |
| Subwatershed | East Whetstone Creek (HUC 102902010106) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 10Under a numeric limit
- 3With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Benzene | 4 | 2 | 2 | December 31, 2021 | 22% over the limit |
| Oil and grease [soxhlet extr.] tot. | 2 | 2 | 2 | December 31, 2021 | 2,400% over the limit |
| pH | 2 | 1 | 1 | December 31, 2023 | |
| Toluene | 4 | 0 | 0 | ||
| Xylene [mix of m+o+p] | 4 | 0 | 0 | ||
| Ethylbenzene | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Ethanol | 2 | 0 | 0 | ||
| Hydrocarbons, total petroleum | 2 | 0 | 0 | ||
| Report due [yrmoda] | 1 | 0 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 7, 2023 | 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 MOG350337 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.