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Clean Water Act discharge permit · NPDES WIG006857

AMERICAN TRANSMISSION COMPANY, Middleton, WI: NPDES WIG006857 discharge permit, effluent exceedances, inspections, penalties

AMERICAN TRANSMISSION COMPANY, held by American Transmission Company, holds NPDES permit WIG006857. EPA’s file records it issued October 1, 2021 and expiring September 30, 2026.

AMERICAN TRANSMISSION COMPANY, Middleton, Wisconsin: Coverage under a general permit WIG006857, held by American Transmission Company; Effective; issued October 1, 2021, term to September 30, 2026.

Other permits held by American Transmission Company

AMERICAN TRANSMISSION COMPANY among its neighbors

EPA’s permit file holds 9 discharge permits in the Upper Black Earth Creek subwatershed (HUC 070700050501), WIG006857 among them. Its county holds 645, 2 of them major permits; WIG006857 is a minor permit.

Other permits in the Upper Black Earth Creek subwatershed (HUC 070700050501)

What the register holds for AMERICAN TRANSMISSION COMPANY: its NPDES ID, its permit type and status, its dates, its address in Middleton, Wisconsin. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES WIG006857.

Identity

Facility as filedAMERICAN TRANSMISSION COMPANY
Permittee as filedAmerican Transmission Company
NPDES IDWIG006857
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
AddressMiddleton, WI 53527
SubwatershedUpper Black Earth Creek (HUC 070700050501)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES WIG006857.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES WIG006857.

Inspections

EPA’s inspection file holds no inspection for NPDES WIG006857.

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 WIG006857.

Watch this permit

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Nearby on the register

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

What this page shows

The American Transmission Company permit (NPDES ID WIG006857) in Middleton, Dane County, is one of 619 general permit coverages on EPA's NPDES register in Dane County, and it is one of 9 NPDES permits in the Upper Black Earth Creek subwatershed, this one included. Of all 619 Dane County general permit coverages, 0.0% carry a violation on file, and this permit has no pollutants under a numeric limit or effluent exceedances recorded.