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Clean Water Act discharge permit · NPDES MO0128872

NORTH TROY BUSINESS PARK WWTF, Troy, MO: NPDES MO0128872 discharge permit, effluent exceedances, inspections, penalties

NORTH TROY BUSINESS PARK WWTF, held by Richard Meyer, holds NPDES permit MO0128872, which discharges to Tributary To Hupp Branch. EPA’s file records it issued January 1, 2019 and expiring December 31, 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 filedNORTH TROY BUSINESS PARK WWTF
Permittee as filedRichard Meyer
NPDES IDMO0128872
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
IssuedJanuary 1, 2019
Expiration dateDecember 31, 2023
AddressTroy, MO 63379
Receiving waterTributary to Hupp Branch
SubwatershedNorth Fork Cuivre River (HUC 071100080208)

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
Chlorine, total residual27458December 31, 201810,150% over the limit
Nitrogen, ammonia total [as N]44642June 30, 20264,632% over the limit
BOD, 5-day, 20 deg. C23220June 30, 2026190% over the limit
Solids, total suspended23319March 31, 2026367% over the limit
Coliform, fecal general02113June 30, 201599,999% over the limit
E. coli2148June 30, 20261,820% over the limit
Ammonia [as N] + unionized ammonia044June 30, 2014181% over the limit
Flow, in conduit or thru treatment plant2160
pH2120
Oxygen, dissolved [DO]260

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
April 4, 2025Effluent Violations - Numeric effluent violationST6
December 26, 2024Effluent Violations - Numeric effluent violationST6
August 2, 2024Management Practice Violations - Improper Operation and MaintenanceST6
August 2, 2024Effluent Violations - Numeric effluent violationST6
January 11, 2023Effluent Violations - Numeric effluent violationST6
October 19, 2022Effluent Violations - Numeric effluent violationST6
January 10, 2022Effluent Violations - Numeric effluent violationST6
October 13, 2021Effluent Violations - Numeric effluent violationST6
June 29, 2020Effluent Violations - Numeric effluent violationST6
February 15, 2019Effluent Violations - Numeric effluent violationST6
February 15, 2019Management Practice Violations - Improper Operation and MaintenanceST6

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, MO0128872.

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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 MO0128872 there.

Nearby on the register

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