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Clean Water Act discharge permit · NPDES WIG012566

ALLIANT ENERGY, Montrose, WI: NPDES WIG012566 discharge permit, effluent exceedances, inspections, penalties

ALLIANT ENERGY, held by Alliant Energy, holds NPDES permit WIG012566. EPA’s file records it issued October 1, 2021 and expiring September 30, 2026.

ALLIANT ENERGY, Montrose, Wisconsin: Coverage under a general permit WIG012566, held by Alliant Energy; Effective; issued October 1, 2021, term to September 30, 2026.

Other permits held by Alliant Energy

ALLIANT ENERGY among its neighbors

EPA’s permit file holds 9 discharge permits in the Ross Crossing-Sugar River subwatershed (HUC 070900040502), WIG012566 among them. Its county holds 645, 2 of them major permits; WIG012566 is a minor permit.

Other permits in the Ross Crossing-Sugar River subwatershed (HUC 070900040502)

What the register holds for ALLIANT ENERGY: its NPDES ID, its permit type and status, its dates, its address in Montrose, Wisconsin. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES WIG012566.

Identity

Facility as filedALLIANT ENERGY
Permittee as filedAlliant Energy
NPDES IDWIG012566
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
AddressMontrose, WI 53718
SubwatershedRoss Crossing-Sugar River (HUC 070900040502)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES WIG012566.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES WIG012566.

Inspections

EPA’s inspection file holds no inspection for NPDES WIG012566.

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 WIG012566.

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, WIG012566.

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Nearby on the register

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

What this page shows

0.0% of the 619 general permit coverages in Dane County have a violation on file. The Ross Crossing-Sugar River subwatershed holds 9 NPDES permits, including ALLIANT ENERGY.