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Clean Water Act discharge permit · NPDES MIS210300

AJAX MATERIALS-PLT 5, Romulus, MI: NPDES MIS210300 discharge permit, effluent exceedances, inspections, penalties

AJAX MATERIALS-PLT 5, held by Ajax Materials Corporation, holds NPDES permit MIS210300, which discharges to Douglas And Kelly Drain. EPA’s file records it issued December 29, 2021 and expiring March 31, 2027. 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 AJAX MATERIALS-PLT 5: its NPDES ID, its permit type and status, its dates, its address in Romulus, Michigan, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MIS210300.

Identity

Facility as filedAJAX MATERIALS-PLT 5
Permittee as filedAjax Materials Corporation
NPDES IDMIS210300
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedDecember 29, 2021
Expiration dateMarch 31, 2027
Issuing agencyState
AddressRomulus, MI 48174
Receiving waterDouglas and Kelly Drain
Receiving water impaired303(D) Listed
SubwatershedEcorse River (HUC 040900040501)
Other EPA IDs (FRS)RCRA handler MID980272363; ICIS-AIR source MI00000000000B3120

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 MIS210300.

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 MIS210300.

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.

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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 MIS210300 there.

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES MIS210300 for AJAX MATERIALS-PLT 5 in Romulus, Michigan, held by Ajax Materials Corporation and discharging to Douglas and Kelly Drain. The page lists the permit as Effective and classed as a Minor discharger, with 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.