Velarion Records

Clean Water Act discharge permit · NPDES MOR203573

MISSOURI METALS, DIV. OF SAMUEL SON & CO, Wentzville, MO: NPDES MOR203573 discharge permit, effluent exceedances, inspections, penalties

MISSOURI METALS, DIV. OF SAMUEL SON & CO, held by SAMUEL, SON & CO. (USA) INC., holds NPDES permit MOR203573, which discharges to Tributary To Enon Branch. EPA’s file records it issued January 9, 2026 and expiring September 9, 2029. 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 MISSOURI METALS, DIV. OF SAMUEL SON & CO: its NPDES ID, its permit type and status, its dates, its address in Wentzville, Missouri, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MOR203573.

Identity

Facility as filedMISSOURI METALS, DIV. OF SAMUEL SON & CO
Permittee as filedSAMUEL, SON & CO. (USA) INC.
NPDES IDMOR203573
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedJanuary 9, 2026
Expiration dateSeptember 9, 2029
AddressWentzville, MO 63385
Receiving waterTributary to Enon Branch
SubwatershedMcCoy Creek (HUC 071100080408)

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

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MOR203573.

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 MOR203573.

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, MOR203573.

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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 MOR203573 there.

Nearby on the register

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

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