Monroe Metro Wastewater Facility
Monroe, MI · Monroe County · Publicly Owned Treatment Works
- Average flow
- 8.5 MGD
- Design flow
- —
- NPDES permit
- MI0028401
- Administratively continued
- Permit expires
- October 2024
- Population served
- 60,134
- CWNS 2022
Monroe Metro Wastewater Facility is a publicly owned wastewater treatment works in Monroe, Monroe County, Michigan treating an average of 8.5 million gallons per day, serving about 60,134 residents. Treatment on site includes clarifiers. It discharges under NPDES permit MI0028401 (administratively continued), which expires in October 2024, with 4 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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Compliance snapshot (last 3 years)
- Total violations
- 4
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Monroe
Monroe's capital improvement plan lists 24 water, sewer and wastewater line items worth $40M starting 2024–2025. The largest budgeted items are shown here.
All water and sewer capital projects in Monroe →
| Project | Budget | Years |
|---|---|---|
| Water System Repl & Looping | $18,600,000 | 2024–2025 |
| Ww System Improvements - Srf | $9,800,000 | 2024–2025 |
| Miscellaneous/Future Capital Projects | $5,962,200 | 2024–2027 |
| Future Planned Projects | $3,480,000 | 2025–2027 |
| San Sewer Rehab-Sunset N'Hood-Ph 2 Linin | $480,000 | 2024–2025 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
1 verified contact for Monroe Metro Wastewater Facility, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Monroe Metro Wastewater Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Michigan
Luna Pier · 8 mi away
0.19 MGD
Newport · 8 mi away
0.52 MGD
Ida · 10 mi away
—
Carleton · 11 mi away
0.23 MGD
Rockwood · 13 mi away
0.25 MGD
Erie · 14 mi away
2.68 MGD
Petersburg · 18 mi away
0.08 MGD
Grosse Ile · 19 mi away
1.4 MGD
Monroe Metro Wastewater 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 May 19, 2025.