Sparta Wastewater Treatment Facility
Sparta, WI · Monroe County · Publicly Owned Treatment Works
- Average flow
- 1.51 MGD
- Design flow
- 1.5 MGD
- NPDES permit
- WI0020737
- Expired
- Permit expires
- March 2025
- Population served
- 9,353
- CWNS 2022
Sparta Wastewater Treatment Facility is a publicly owned wastewater treatment works in Sparta, Monroe County, Wisconsin treating an average of 1.51 million gallons per day against a permitted design capacity of 1.5 MGD, serving about 9,353 residents. Treatment on site includes biogas silos, biogas balloons. It discharges under NPDES permit WI0020737 (expired), which expires in March 2025, with 2 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
- 2
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Sparta Wastewater Treatment Facility, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Sparta Wastewater Treatment Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Wisconsin
Fort Mccoy · 9 mi away
0.27 MGD
Norwalk · 12 mi away
0.02 MGD
Cashton · 13 mi away
0.08 MGD
West Salem · 14 mi away
0.39 MGD
Mindoro · 16 mi away
0.04 MGD
Melrose · 16 mi away
0.02 MGD
West Salem · 16 mi away
0.0055 MGD
Wilton · 16 mi away
0.03 MGD
Sparta 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 March 6, 2025.