Sunfield Wwsl
13363 Oak Street, Sunfield, MI 48890 · Eaton County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- —
- NPDES permit
- MI0024198
- Administratively continued
- Permit expires
- October 2024
- Population served
- 511
- CWNS 2022
Sunfield Wwsl is a publicly owned wastewater treatment plant in Sunfield, Eaton County, Michigan, serving about 511 residents. It discharges under NPDES permit MI0024198 (administratively continued), which expires in October 2024, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Sunfield Wwsl.
Treatment structure data not yet analyzed for this facility.
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 Sunfield Wwsl.
No verified contacts on file yet
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Sunfield 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 November 14, 2024.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms