Lodi Wastewater Treatment Facility
Lodi, WI · Columbia County · Publicly Owned Treatment Works
- Average flow
- 0.27 MGD
- Design flow
- 0.32 MGD
- NPDES permit
- WI0022918
- Expired
- Permit expires
- December 2021
- Population served
- 3,176
- CWNS 2022
Lodi Wastewater Treatment Facility is a publicly owned wastewater treatment works in Lodi, Columbia County, Wisconsin treating an average of 0.27 million gallons per day against a permitted design capacity of 0.32 MGD, serving about 3,176 residents. Treatment on site includes biogas silos, biogas balloons. It discharges under NPDES permit WI0022918 (expired), which expires in December 2021, with 0 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
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Lodi Wastewater Treatment Facility.
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Nearby wastewater treatment plants in Wisconsin
Sauk City · 9 mi away
0.01 MGD
Baraboo · 14 mi away
1.29 MGD
Portage · 15 mi away
1.52 MGD
Cross Plains · 16 mi away
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Rio · 17 mi away
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Mazomanie · 18 mi away
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North Freedom · 19 mi away
0.02 MGD
Rock Springs · 22 mi away
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Lodi 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.