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Clean Water Act discharge permit · NPDES WIG009400

LAKE TOMAHAWK STORAGE LLC SITE, Woodruff, WI: NPDES WIG009400 discharge permit, effluent exceedances, inspections, penalties

LAKE TOMAHAWK STORAGE LLC SITE, held by Lake Tomahawk Storage LLC Site, holds NPDES permit WIG009400. EPA’s file records it issued October 1, 2021 and expiring September 30, 2026.

LAKE TOMAHAWK STORAGE LLC SITE, Woodruff, Wisconsin: Coverage under a general permit WIG009400, held by Lake Tomahawk Storage LLC Site; Effective; issued October 1, 2021, term to September 30, 2026.

LAKE TOMAHAWK STORAGE LLC SITE among its neighbors

EPA’s permit file holds 2 discharge permits in the Tomahawk Lake-Tomahawk River subwatershed (HUC 070700010802), WIG009400 among them. Its county holds 49, 1 of them major permits; WIG009400 is a minor permit.

Other permits in the Tomahawk Lake-Tomahawk River subwatershed (HUC 070700010802)

What the register holds for LAKE TOMAHAWK STORAGE LLC SITE: its NPDES ID, its permit type and status, its dates, its address in Woodruff, Wisconsin. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES WIG009400.

Identity

Facility as filedLAKE TOMAHAWK STORAGE LLC SITE
Permittee as filedLake Tomahawk Storage LLC Site
NPDES IDWIG009400
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
AddressWoodruff, WI 54401
SubwatershedTomahawk Lake-Tomahawk River (HUC 070700010802)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES WIG009400.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES WIG009400.

Inspections

EPA’s inspection file holds no inspection for NPDES WIG009400.

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 WIG009400.

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, WIG009400.

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  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
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Nearby on the register

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

What this page shows

The LAKE TOMAHAWK STORAGE LLC SITE is one of 2 NPDES permits in the Tomahawk Lake-Tomahawk River subwatershed, this one included. Among the 41 general permit coverages in Oneida County, 0.0% carry a violation on file, and the permit has no pollutants with an effluent exceedance or numeric limit recorded against it.