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Clean Water Act discharge permit · NPDES MO0138932

MIDLAND MARKETING SYSTEMS WWTF, Hillsboro, MO: NPDES MO0138932 discharge permit, effluent exceedances, inspections, penalties

MIDLAND MARKETING SYSTEMS WWTF, held by Midland Marketing Systems, Inc., holds NPDES permit MO0138932, which discharges to Tributary To Belew Cr.. EPA’s file records it issued May 13, 2020 and expiring June 30, 2023. 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 filedMIDLAND MARKETING SYSTEMS WWTF
Permittee as filedMidland Marketing Systems, Inc.
NPDES IDMO0138932
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMay 13, 2020
Expiration dateJune 30, 2023
AddressHillsboro, MO 63050
Receiving waterTributary to Belew Cr.
SubwatershedBelew Creek (HUC 071401040404)

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
Nitrogen, ammonia total [as N]43733June 30, 202614,652% over the limit
BOD, 5-day, 20 deg. C21612December 31, 2025360% over the limit
Solids, total suspended2139December 31, 20251,240% over the limit
E. coli284December 31, 20252,837% over the limit
pH240
Flow, in conduit or thru treatment plant240

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

DateWhat EPA recordedAgency
October 4, 2024Effluent Violations - Numeric effluent violationST6
July 3, 2024Effluent Violations - Numeric effluent violationST6
September 28, 2023Effluent Violations - Numeric effluent violationST6
January 11, 2023Effluent Violations - Numeric effluent violationST6

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, MO0138932.

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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 MO0138932 there.

Nearby on the register

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