Black River Falls WWTF
Black River Falls, WI · Jackson County · Publicly Owned Treatment Works
- Average flow
- 0.42 MGD
- Design flow
- 0.58 MGD
- NPDES permit
- WI0021954
- Expired
- Permit expires
- December 2022
- Population served
- 5,209
- CWNS 2022
Black River Falls WWTF is a publicly owned wastewater treatment works in Black River Falls, Jackson County, Wisconsin treating an average of 0.42 million gallons per day against a permitted design capacity of 0.58 MGD, serving about 5,209 residents. Treatment on site includes biogas balloons. It discharges under NPDES permit WI0021954 (expired), which expires in December 2022, with 4 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Biogas balloons
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Compliance snapshot (last 3 years)
- Total violations
- 4
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
3 verified contacts for Black River Falls WWTF, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Black River Falls WWTF, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Wisconsin
Black River Falls · 5 mi away
0.13 MGD
Merrillan, · 10 mi away
—
Merrillan · 11 mi away
0.07 MGD
Melrose · 14 mi away
0.02 MGD
Taylor · 14 mi away
—
Fort Mccoy · 20 mi away
0.27 MGD
Mindoro · 22 mi away
0.04 MGD
Whitehall · 22 mi away
0.65 MGD
Black River Falls WWTF: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed September 11, 2026; facility record last updated November 28, 2025.