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Clean Water Act discharge permit · NPDES WI0021954

BLACK RIVER FALLS WWTF, Black River Falls, WI: NPDES WI0021954 discharge permit, effluent exceedances, inspections, penalties

BLACK RIVER FALLS WWTF, held by Black River Falls, holds NPDES permit WI0021954, which discharges to Black R. EPA’s file records it issued January 10, 2012 and expiring December 31, 2016. 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 filedBLACK RIVER FALLS WWTF
Permittee as filedBlack River Falls
NPDES IDWI0021954
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
IssuedJanuary 10, 2012
Expiration dateDecember 31, 2016
AddressBlack River Falls, WI 54615
Receiving waterBLACK R
Receiving water impaired303(D) Listed
SubwatershedTown Creek-Black River (HUC 070400071004)
SIC4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

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
Flow, in conduit or thru treatment plant2219December 31, 199024% over the limit
Solids, total suspended4197November 30, 1991507% over the limit
BOD, 5-day, 20 deg. C4186July 31, 202199,999% over the limit
Copper, total recoverable3655September 30, 2023613% over the limit
Phosphorus, total [as P]144March 31, 202514% over the limit
pH2131November 30, 1990
Coliform, fecal general0580
Zinc, total recoverable1220
Hardness, total [as CaCO3]180

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
September 8, 2020WW 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 WI0021954 for the BLACK RIVER FALLS WWTF, a publicly owned treatment works in Black River Falls, WI, which discharges to Black R. The permit is administratively continued, with a minor discharger class, and lists 8 pollutants under a numeric limit and 6 pollutants with an effluent exceedance. Its status and dates reflect EPA's permit file as loaded on October 14, 2026, with the permit issued January 10, 2012 and expiring December 31, 2016.