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Clean Water Act discharge permit · NPDES WIG009436

MILWAUKEE COUNTY DEPARTMENT OF TRANSPORTATION, Greenfield, WI: NPDES WIG009436 discharge permit, effluent exceedances, inspections, penalties

MILWAUKEE COUNTY DEPARTMENT OF TRANSPORTATION, held by Milwaukee County Department of Transportation, holds NPDES permit WIG009436. EPA’s file records it issued October 1, 2021 and expiring September 30, 2026.

MILWAUKEE COUNTY DEPARTMENT OF TRANSPORTATION, Greenfield, Wisconsin: Coverage under a general permit WIG009436, held by Milwaukee County Department of Transportation; Effective; issued October 1, 2021, term to September 30, 2026.

MILWAUKEE COUNTY DEPARTMENT OF TRANSPORTATION among its neighbors

EPA’s permit file holds 17 discharge permits in the Kinnickinnic River subwatershed (HUC 040400030501), WIG009436 among them. Its county holds 235, 5 of them major permits; WIG009436 is a minor permit.

Other permits in the Kinnickinnic River subwatershed (HUC 040400030501)

What the register holds for MILWAUKEE COUNTY DEPARTMENT OF TRANSPORTATION: its NPDES ID, its permit type and status, its dates, its address in Greenfield, Wisconsin. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES WIG009436.

Identity

Facility as filedMILWAUKEE COUNTY DEPARTMENT OF TRANSPORTATION
Permittee as filedMilwaukee County Department of Transportation
NPDES IDWIG009436
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
AddressGreenfield, WI 53226
Receiving water impaired303(D) Listed
SubwatershedKinnickinnic River (HUC 040400030501)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES WIG009436.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES WIG009436.

Inspections

EPA’s inspection file holds no inspection for NPDES WIG009436.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES WIG009436.

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, WIG009436.

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Nearby on the register

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

What this page shows

The Milwaukee County Department of Transportation's Clean Water Act discharge permit, NPDES ID WIG009436, is one of 198 general permit coverages in Milwaukee County, and the permit records no violation on file among those 198 coverages at a rate of 0.0%. It also sits among 17 NPDES permits in the Kinnickinnic River subwatershed, and it has no pollutants under a numeric limit or effluent exceedances on record.