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Clean Water Act discharge permit · NPDES WI0001589

WI POWER & LIGHT EDGEWATER STN, Frederic, WI: NPDES WI0001589 discharge permit, effluent exceedances, inspections, penalties

WI POWER & LIGHT EDGEWATER STN, held by WI POWER AND LIGHT EDGEWATER G, holds NPDES permit WI0001589, which discharges to Lake Michigan. EPA’s file records it issued June 28, 2013 and expiring June 30, 2018. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedWI POWER & LIGHT EDGEWATER STN
Permittee as filedWI POWER AND LIGHT EDGEWATER G
NPDES IDWI0001589
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 28, 2013
Expiration dateJune 30, 2018
AddressFrederic, WI 53081
Receiving waterLAKE MICHIGAN
Other EPA IDs (FRS)RCRA handler WID000713438; ICIS-AIR source WI0000005511700001

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
pH4715June 30, 2026
Solids, total suspended41354August 31, 2024178% over the limit
Oil & Grease0531February 28, 199879% over the limit
Flow, in conduit or thru treatment plant161890
Iron, total recoverable21060
Copper, total recoverable4920
Oil and grease, hexane extr method6880
Phosphorus, total [as P]2780
Temperature, water deg. fahrenheit7420
Mercury, total recoverable2420
Zinc, total recoverable1380
Arsenic, total recoverable3330
Heat [summer] [per hour]200

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES WI0001589.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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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 WI0001589 there.

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act NPDES permit WI0001589 for WI POWER & LIGHT EDGEWATER STN in Frederic, WI, which discharges to LAKE MICHIGAN and is listed as a Major discharger with an administratively continued status. The register lists 3 pollutants under a numeric limit and 3 pollutants with an effluent exceedance, with the permit recorded as issued June 28, 2013 and expiring June 30, 2018.