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Clean Water Act discharge permit · NPDES WIG009676

MILWAUKEE METROPOLITAN SEWERAGE DISTRICT, Oak Creek, WI: NPDES WIG009676 discharge permit, effluent exceedances, inspections, penalties

MILWAUKEE METROPOLITAN SEWERAGE DISTRICT, held by Milwaukee Metropolitan Sewerage District, holds NPDES permit WIG009676. 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 MILWAUKEE METROPOLITAN SEWERAGE DISTRICT: 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 WIG009676.

Identity

Facility as filedMILWAUKEE METROPOLITAN SEWERAGE DISTRICT
Permittee as filedMilwaukee Metropolitan Sewerage District
NPDES IDWIG009676
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 53204
Receiving water impaired303(D) Listed
SubwatershedWind Point-Frontal Lake Michigan (HUC 040400020101)

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 WIG009676.

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 WIG009676.

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, WIG009676.

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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 WIG009676 there.

Nearby on the register

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

What this page shows

Among 198 general permit coverages in Milwaukee County, 0.0% carry a violation on file. MILWAUKEE METROPOLITAN SEWERAGE DISTRICT is among 16 NPDES permits in the Wind Point-Frontal Lake Michigan subwatershed.