South Milwaukee Wastewater Tre
South Milwaukee, WI · Milwaukee County · Publicly Owned Treatment Works
- Average flow
- 2.18 MGD
- Design flow
- 6 MGD
- NPDES permit
- WI0028819
- Expired
- Permit expires
- December 2020
- Population served
- 21,000
- CWNS 2022
South Milwaukee Wastewater Tre is a publicly owned wastewater treatment works in South Milwaukee, Milwaukee County, Wisconsin treating an average of 2.18 million gallons per day against a permitted design capacity of 6 MGD, serving about 21,000 residents. Treatment on site includes clarifiers, biogas silos, biogas balloons. It discharges under NPDES permit WI0028819 (expired), which expires in December 2020, with 1 recorded violation in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
30 verified contacts for South Milwaukee Wastewater Tre, with validated emails and direct phone numbers.
Unlock 30 verified contacts (27 more than shown)
Names, validated emails and direct phone numbers for decision-makers at South Milwaukee Wastewater Tre, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Wisconsin
Milwaukee · 10 mi away
95.1 MGD
Sturtevant · 13 mi away
0.1 MGD
Racine · 14 mi away
14.44 MGD
Wind Lake · 17 mi away
0.73 MGD
Union Grove · 17 mi away
0.6 MGD
Brookfield · 20 mi away
8.95 MGD
Waukesha · 21 mi away
3.15 MGD
Kenosha · 22 mi away
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South Milwaukee Wastewater Tre: 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 April 13, 2025.