Velarion Records

Clean Water Act discharge permit · NPDES MOG490036

MAGRUDER LIMESTONE CO TROY QUARRY, Troy, MO: NPDES MOG490036 discharge permit, effluent exceedances, inspections, penalties

MAGRUDER LIMESTONE CO TROY QUARRY, held by Magruder Limestone Co., Inc., holds NPDES permit MOG490036, which discharges to Tributary To Cuivre River. EPA’s file records it issued June 16, 2017 and expiring April 30, 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.

What the register holds for MAGRUDER LIMESTONE CO TROY QUARRY: its NPDES ID, its permit type and status, its dates, its address in Troy, Missouri, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MOG490036.

Identity

Facility as filedMAGRUDER LIMESTONE CO TROY QUARRY
Permittee as filedMagruder Limestone Co., Inc.
NPDES IDMOG490036
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
IssuedJune 16, 2017
Expiration dateApril 30, 2022
AddressTroy, MO 63379
Receiving waterTributary to Cuivre River
SubwatershedSpring Creek-Cuivre River (HUC 071100080403)
Other EPA IDs (FRS)ICIS-AIR source MO0000002911300031

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MOG490036.

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 MOG490036.

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, MOG490036.

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  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

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 MOG490036 there.

Nearby on the register

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

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