Fennimore Wastewater Treatment Facility
Fennimore, WI · Grant County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.62 MGD
- NPDES permit
- WI0023981
- Expired
- Permit expires
- September 2024
- Population served
- 2,500
- CWNS 2022
Fennimore Wastewater Treatment Facility is a publicly owned wastewater treatment works in Fennimore, Grant County, Wisconsin, serving about 2,500 residents. Treatment on site includes uncovered lagoons, biogas silos, biogas balloons. It discharges under NPDES permit WI0023981 (expired), which expires in September 2024, 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
3 verified contacts for Fennimore Wastewater Treatment Facility, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Fennimore Wastewater Treatment Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Wisconsin
Stitzer · 3 mi away
0.003 MGD
Montfort · 11 mi away
0.04 MGD
Livingston · 12 mi away
0.04 MGD
Highland · 14 mi away
0.06 MGD
Wauzeka · 14 mi away
0.02 MGD
Blue River · 16 mi away
0.01 MGD
Platteville · 18 mi away
1.34 MGD
Linden · 20 mi away
0.03 MGD
Fennimore Wastewater Treatment Facility: 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 August 13, 2026.