Northfield Twp WWTP
Whitmore Lake, MI · Washtenaw County · Publicly Owned Treatment Works
- Average flow
- 0.61 MGD
- Design flow
- —
- NPDES permit
- MI0023710
- Effective
- Permit expires
- October 2027
- Population served
- 9,274
- CWNS 2022
Northfield Twp WWTP is a publicly owned wastewater treatment works in Whitmore Lake, Washtenaw County, Michigan treating an average of 0.61 million gallons per day, serving about 9,274 residents. Treatment on site includes clarifiers, biogas silos, biogas balloons. It discharges under NPDES permit MI0023710 (effective), which expires in October 2027, with 3 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
- 3
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
5 verified contacts for Northfield Twp WWTP, with validated emails and direct phone numbers.
Unlock 5 verified contacts (2 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Northfield Twp WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Michigan
Brighton · 5 mi away
0.94 MGD
South Lyon · 6 mi away
0.97 MGD
Brighton · 7 mi away
0.34 MGD
Dexter · 8 mi away
0.3 MGD
Salem · 11 mi away
0.02 MGD
Howell · 12 mi away
1.36 MGD
Ann Arbor · 13 mi away
13.6 MGD
Milford · 13 mi away
0.49 MGD
Northfield Twp WWTP: 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.