Green Lake Sanitary District
Princeton, WI · Green Lake County · Publicly Owned Treatment Works
- Average flow
- 0.69 MGD
- Design flow
- —
- NPDES permit
- WI0036846
- Expired
- Permit expires
- September 2022
- Population served
- 2,303
- CWNS 2022
Green Lake Sanitary District is a publicly owned wastewater treatment plant in Princeton, Green Lake County, Wisconsin treating an average of 0.69 million gallons per day, serving about 2,303 residents. Treatment on site includes aerated lagoons, uncovered lagoons. It discharges under NPDES permit WI0036846 (expired), which expires in September 2022, with 18 recorded violations 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
- 18
- Effluent violations
- 18
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Green Lake Sanitary District, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Green Lake Sanitary District, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Wisconsin
Princeton · 5 mi away
0.11 MGD
Green Lake · 6 mi away
0.15 MGD
Kingston · 10 mi away
0.01 MGD
Ripon · 11 mi away
1.59 MGD
Fairwater · 11 mi away
0.03 MGD
Neshkoro · 11 mi away
0.05 MGD
Berlin · 13 mi away
0.59 MGD
Redgranite · 16 mi away
0.14 MGD
Green Lake Sanitary District: 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 7, 2025.