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Clean Water Act discharge permit · NPDES MOG840290

HARBISONWALKER COFFELT PIT 1 AND 16, Chamois, MO: NPDES MOG840290 discharge permit, effluent exceedances, inspections, penalties

HARBISONWALKER COFFELT PIT 1 AND 16, held by HarbisonWalker International, Inc., holds NPDES permit MOG840290, which discharges to Tributary To Baileys Creek. EPA’s file records it issued January 1, 2023 and expiring June 30, 2026. 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.

What the register holds for HARBISONWALKER COFFELT PIT 1 AND 16: its NPDES ID, its permit type and status, its dates, its address in Chamois, Missouri, its receiving water, and 5 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MOG840290.

Identity

Facility as filedHARBISONWALKER COFFELT PIT 1 AND 16
Permittee as filedHarbisonWalker International, Inc.
NPDES IDMOG840290
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedJanuary 1, 2023
Expiration dateJune 30, 2026
AddressChamois, MO 65051
Receiving waterTributary to Baileys Creek
SubwatershedBaileys Creek (HUC 103001021608)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
pH400
Solids, total suspended400
Solids, settleable400
Oil and grease [soxhlet extr.] tot.400
Flow, in conduit or thru treatment plant400

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MOG840290.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES MOG840290.

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, MOG840290.

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  • One state — $4,990/year
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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 MOG840290 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.