Poygan Poy Sippi Sd 1 WWTF
Winneconne, WI · Winnebago County · Publicly Owned Treatment Works
- Average flow
- 0.03 MGD
- Design flow
- —
- NPDES permit
- WI0035513
- Expired
- Permit expires
- June 2024
- Population served
- 926
- CWNS 2022
Poygan Poy Sippi Sd 1 WWTF is a publicly owned wastewater treatment works in Winneconne, Winnebago County, Wisconsin treating an average of 0.03 million gallons per day, serving about 926 residents. Treatment on site includes aerated lagoons. It discharges under NPDES permit WI0035513 (expired), which expires in June 2024, with 151 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Aerated lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 151
- Effluent violations
- 12
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Poygan Poy Sippi Sd 1 WWTF, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Poygan Poy Sippi Sd 1 WWTF, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Wisconsin
Winneconne · 4 mi away
0.32 MGD
Fremont · 5 mi away
—
Oshkosh · 8 mi away
0.05 MGD
Winchester · 9 mi away
—
Poysippi · 10 mi away
0.02 MGD
Fremont · 10 mi away
0.09 MGD
Dale · 12 mi away
0.02 MGD
Berlin · 12 mi away
0.59 MGD
Poygan Poy Sippi Sd 1 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 March 9, 2025.