Clean Water Act discharge permit · NPDES MOG350316
KNOB NOSTER CENEX, Knob Noster, MO: NPDES MOG350316 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
KNOB NOSTER CENEX, held by Sam Samra, holds NPDES permit MOG350316, which discharges to Tributary To Clear Fk.. EPA’s file records it issued December 1, 2021 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 | KNOB NOSTER CENEX |
|---|---|
| Permittee as filed | Sam Samra |
| NPDES ID | MOG350316 |
| 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 | December 1, 2021 |
| Expiration date | September 17, 2022 |
| Address | Knob Noster, MO 65336 |
| Receiving water | Tributary to Clear Fk. |
| Subwatershed | Clear Fork (HUC 103001040303) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 10Under a numeric limit
- 10With 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 | 24 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 2 | 24 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 24 | 0 | ||
| Ethanol | 2 | 24 | 0 | ||
| Hydrocarbons, total petroleum | 2 | 16 | 0 | ||
| Toluene | 4 | 8 | 0 | ||
| Benzene | 4 | 8 | 0 | ||
| Xylene [mix of m+o+p] | 4 | 8 | 0 | ||
| Ethylbenzene | 2 | 8 | 0 | ||
| Report due [yrmoda] | 1 | 4 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MOG350316.
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 |
|---|---|---|
| March 20, 2026 | Reporting Violations - Failure to Submit DMRs | ST6 |
| October 5, 2021 | Permit Violations - Unapproved Operation | 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 MOG350316 there.
Nearby on the register
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- Every permit record in Knob Noster, A to Z
- Discharge permits in Missouri
- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.