Commerce Twp WWTP
Walled Lake, MI · Oakland County · Publicly Owned Treatment Works
- Average flow
- 2.13 MGD
- Design flow
- —
- NPDES permit
- MI0025071
- Effective
- Permit expires
- October 2026
- Population served
- 35,218
- CWNS 2022
Commerce Twp WWTP is a publicly owned wastewater treatment works in Walled Lake, Oakland County, Michigan treating an average of 2.13 million gallons per day, serving about 35,218 residents. Treatment on site includes clarifiers, aerated lagoons, uncovered lagoons, carrousels / oxidation ditches. It discharges under NPDES permit MI0025071 (effective), which expires in October 2026, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Aerated lagoons
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Uncovered lagoons
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Carrousels / oxidation ditches
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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 Commerce Twp WWTP.
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Nearby wastewater treatment plants in Michigan
Novi · 3 mi away
1.98 MGD
Wixom · 5 mi away
1.39 MGD
Milford · 9 mi away
0.49 MGD
Salem · 11 mi away
0.02 MGD
South Lyon · 12 mi away
0.97 MGD
Pontiac · 13 mi away
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Brighton · 13 mi away
0.34 MGD
Brighton · 18 mi away
0.94 MGD
Commerce 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 April 4, 2025.