Clean Water Act discharge permit · NPDES WIG006720
ALLIANT ENERGY, Portage, WI: NPDES WIG006720 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
ALLIANT ENERGY, held by Alliant Energy, holds NPDES permit WIG006720. 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 (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
What the register holds for ALLIANT ENERGY: its NPDES ID, its permit type and status, its dates, its address in Portage, Wisconsin. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES WIG006720.
Identity
| Facility as filed | ALLIANT ENERGY |
|---|---|
| Permittee as filed | Alliant Energy |
| NPDES ID | WIG006720 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | October 1, 2021 |
| Expiration date | September 30, 2026 |
| Address | Portage, WI 53718 |
| Subwatershed | Portage Canal-Fox River (HUC 040302010601) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES WIG006720.
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES WIG006720.
Inspections
EPA’s inspection file holds no inspection for NPDES WIG006720.
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 WIG006720.
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
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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 WIG006720 there.
Nearby on the register
- Discharge permits in Portage
- Every permit record in Portage, A to Z
- Discharge permits in Wisconsin
- Every permit record in Wisconsin, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.