Village Of Grafton Water And Wastewater Utility
Grafton, WI · Ozaukee County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 2.15 MGD
- NPDES permit
- WI0020184
- Expired
- Permit expires
- December 2025
- Population served
- 12,000
- CWNS 2022
Village Of Grafton Water And Wastewater Utility is a publicly owned wastewater treatment works in Grafton, Ozaukee County, Wisconsin, serving about 12,000 residents. Treatment on site includes clarifiers, biogas silos, biogas balloons. It discharges under NPDES permit WI0020184 (expired), which expires in December 2025, 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
20 verified contacts for Village Of Grafton Water And Wastewater Utility, with validated emails and direct phone numbers.
Unlock 20 verified contacts (17 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Village Of Grafton Water And Wastewater Utility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Wisconsin
Cedarburg · 2 mi away
—
Saukville · 5 mi away
0.98 MGD
Port Washington · 7 mi away
1.04 MGD
Jackson · 10 mi away
0.95 MGD
Fredonia · 11 mi away
0.19 MGD
West Bend · 12 mi away
—
Belgium · 15 mi away
0.19 MGD
Random Lake · 17 mi away
0.38 MGD
Village Of Grafton Water And Wastewater Utility: 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 May 29, 2025.