Mackinac Island WWTP
Mackinac Island, MI · Mackinac County · Publicly Owned Treatment Works
- Average flow
- 0.66 MGD
- Design flow
- —
- NPDES permit
- 3604155479
- Effective
- Permit expires
- October 2028
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Compliance snapshot (last 3 years)
- Total violations
- 109
- Effluent violations
- 82
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Mackinac Island WWTP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Mackinac Island WWTP — plus full compliance history and discharge data.
Try Klarifi freeData sourced from public EPA / NPDES records and Klarifi analysis. Last updated May 2025.