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Clean Water Act discharge permit · NPDES WI0021474

JUNEAU WASTEWATER TREATMENT FACILITY, Juneau, WI: NPDES WI0021474 discharge permit, effluent exceedances, inspections, penalties

JUNEAU WASTEWATER TREATMENT FACILITY, held by CITY OF JUNEAU, holds NPDES permit WI0021474, which discharges to Dead Cr Upper Ro. EPA’s file records it issued December 20, 2013 and expiring December 31, 2018. 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.

Identity

Facility as filedJUNEAU WASTEWATER TREATMENT FACILITY
Permittee as filedCITY OF JUNEAU
NPDES IDWI0021474
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedDecember 20, 2013
Expiration dateDecember 31, 2018
AddressJuneau, WI 53039
Receiving waterDEAD CR UPPER RO
SubwatershedDead Creek (HUC 070900010401)
SIC4952 – Sewerage Systems
Other EPA IDs (FRS)RCRA handler WID000713040

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same 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
Nitrogen, ammonia total [as N]0448January 31, 2026137% over the limit
BOD, 5-day, 20 deg. C4371January 31, 202210% over the limit
Phosphorus, total [as P]0251December 31, 20241% over the limit
Oxygen, dissolved [DO]1191August 31, 19905% over the limit
Solids, total suspended2840
pH2360
Chloride [as Cl]3180
Flow, in conduit or thru treatment plant200
Temperature, water deg. fahrenheit100

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

DateWhat EPA recordedAgency
June 4, 2024WW SSO - Discharge to WatersST6

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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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers NPDES permit WI0021474 for the JUNEAU WASTEWATER TREATMENT FACILITY in Juneau, WI, held by CITY OF JUNEAU, with a Minor Discharger class and an administratively continued status. The page lists 7 for the discharger class, 4 pollutants under a numeric limit, and 4 pollutants with an effluent exceedance, with the permit dated December 20, 2013 and expiring December 31, 2018 as of October 14, 2026.