Salem Twp WWTP
7700 Salem Road, Salem, MI 48175 · Washtenaw County · Publicly Owned Treatment Works
- Average flow
- 0.02 MGD
- Design flow
- —
- NPDES permit
- MI0054798
- Administratively continued
- Permit expires
- October 2026
- Population served
- 729
- CWNS 2022
Salem Twp WWTP is a publicly owned wastewater treatment works in Salem, Washtenaw County, Michigan treating an average of 0.02 million gallons per day, serving about 729 residents. It discharges under NPDES permit MI0054798 (administratively continued), which expires in October 2026, with 14 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Salem Twp WWTP.
Available with a free Klarifi account
See the full treatment train at Salem Twp WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 14
- Effluent violations
- 14
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Salem Twp WWTP.
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Salem 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 October 26, 2026; facility record last updated September 2, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms