Hazel Green Wastewater Treatment Facility
Hazel Green, WI · Grant County · Publicly Owned Treatment Works
- Average flow
- 0.04 MGD
- Design flow
- 0.18 MGD
- NPDES permit
- WI0024210
- Expired
- Permit expires
- June 2024
- Population served
- 1,226
- CWNS 2022
Hazel Green Wastewater Treatment Facility is a publicly owned wastewater treatment works in Hazel Green, Grant County, Wisconsin treating an average of 0.04 million gallons per day against a permitted design capacity of 0.18 MGD, serving about 1,226 residents. It discharges under NPDES permit WI0024210 (expired), which expires in June 2024, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
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 Hazel Green Wastewater Treatment Facility.
No verified contacts on file yet
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Nearby wastewater treatment plants in Wisconsin
Benton · 4 mi away
0.06 MGD
Cuba City · 5 mi away
0.14 MGD
Hazel Green · 9 mi away
0.0069 MGD
Kieler · 10 mi away
0.1 MGD
Shullsburg · 10 mi away
0.16 MGD
Dickeyville · 10 mi away
0.06 MGD
Platteville · 14 mi away
1.34 MGD
Belmont · 15 mi away
0.09 MGD
Hazel Green 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 February 3, 2025.