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Clean Water Act discharge permit · NPDES WIG009507

MURPHY LLC, Oak Creek, WI: NPDES WIG009507 discharge permit, effluent exceedances, inspections, penalties

MURPHY LLC, held by Murphy LLC, holds NPDES permit WIG009507. EPA’s file records it issued October 1, 2021 and expiring September 30, 2026. 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 MURPHY LLC: its NPDES ID, its permit type and status, its dates, its address in Oak Creek, Wisconsin. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES WIG009507.

Identity

Facility as filedMURPHY LLC
Permittee as filedMurphy LLC
NPDES IDWIG009507
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedOctober 1, 2021
Expiration dateSeptember 30, 2026
AddressOak Creek, WI 53202
SubwatershedOak Creek (HUC 040400020102)
Other EPA IDs (FRS)RCRA handler WI0000199323

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 WIG009507.

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 WIG009507.

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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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 WIG009507 there.

Nearby on the register

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

What this page shows

Murphy LLC's NPDES permit WIG009507 is one of 198 general permit coverages in Milwaukee County, and 0.0% of those coverages have a violation on file. Within the Oak Creek subwatershed, the permit sits among 28 NPDES permits, and the permit has 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.