Clean Water Act discharge permit · NPDES MOG490008
EMERY SAPP AND SONS SHELL KNOB, Shell Knob, MO: NPDES MOG490008 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
EMERY SAPP AND SONS SHELL KNOB, held by Hutchens Construction Company LLC, holds NPDES permit MOG490008, which discharges to Tributary To Mill Creek. EPA’s file records it issued July 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 | EMERY SAPP AND SONS SHELL KNOB |
|---|---|
| Permittee as filed | Hutchens Construction Company LLC |
| NPDES ID | MOG490008 |
| 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 | July 1, 2017 |
| Expiration date | April 30, 2022 |
| Address | Shell Knob, MO 65747 |
| Receiving water | Tributary to Mill Creek |
| Subwatershed | Viney Creek-Table Rock Lake (HUC 110100010808) |
| 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
- 0Under a numeric limit
- 6With 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 | 0 | 4 | 0 | ||
| Solids, total suspended | 0 | 4 | 0 | ||
| Solids, settleable | 0 | 4 | 0 | ||
| Oil and grease [soxhlet extr.] tot. | 0 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 2 | 0 | ||
| Storm water flow | 0 | 2 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MOG490008.
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MOG490008.
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 MOG490008 there.
Nearby on the register
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- Every permit record in Shell Knob, A to Z
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- Every permit record in Missouri, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.