Cuba City Wastewater Treatment Facility
Cuba City, WI · Grant County · Publicly Owned Treatment Works
- Average flow
- 0.14 MGD
- Design flow
- 0.3 MGD
- NPDES permit
- WI0022217
- Expired
- Permit expires
- September 2019
- Population served
- 2,294
- CWNS 2022
Cuba City Wastewater Treatment Facility is a publicly owned wastewater treatment works in Cuba City, Grant County, Wisconsin treating an average of 0.14 million gallons per day against a permitted design capacity of 0.3 MGD, serving about 2,294 residents. Treatment on site includes uncovered lagoons, carrousels / oxidation ditches, biogas balloons. It discharges under NPDES permit WI0022217 (expired), which expires in September 2019, with 3 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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Carrousels / oxidation ditches
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Biogas balloons
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Compliance snapshot (last 3 years)
- Total violations
- 3
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Cuba City Wastewater Treatment Facility.
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Nearby wastewater treatment plants in Wisconsin
Benton · 4 mi away
0.06 MGD
Hazel Green · 5 mi away
0.04 MGD
Dickeyville · 9 mi away
0.06 MGD
Kieler · 9 mi away
0.1 MGD
Shullsburg · 9 mi away
0.16 MGD
Platteville · 10 mi away
1.34 MGD
Belmont · 10 mi away
0.09 MGD
Hazel Green · 11 mi away
0.0069 MGD
Cuba City 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 November 20, 2025.