St Charles Wwsl
Martin Rd, Saint Charles, MI 48655 · Saginaw County · Publicly Owned Treatment Works
- Average flow
- 1.61 MGD
- Design flow
- —
- NPDES permit
- MIG580092
- Administratively continued
- Permit expires
- April 2024
- Population served
- 2,115
- CWNS 2022
St Charles Wwsl is a publicly owned wastewater treatment plant in Saint Charles, Saginaw County, Michigan treating an average of 1.61 million gallons per day, serving about 2,115 residents. It discharges under NPDES permit MIG580092 (administratively continued), which expires in April 2024, with 60 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at St Charles Wwsl.
Available with a free Klarifi account
See the full treatment train at St Charles Wwsl: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 60
- 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 St Charles Wwsl.
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Nearby wastewater treatment plants in Michigan
Hemlock · 8 mi away
—
Chesaning · 8 mi away
0.46 MGD
Saginaw · 8 mi away
5.22 MGD
Oakley · 12 mi away
0.75 MGD
Bridgeport · 12 mi away
1.79 MGD
Merrill · 13 mi away
0.92 MGD
Freeland · 14 mi away
1.45 MGD
Saginaw · 16 mi away
34.99 MGD
St Charles Wwsl: 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 October 19, 2026; facility record last updated March 20, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms