Dillonvale, OH · Jefferson County · Publicly Owned Treatment Works
Dillonvale-Mt Pleasant is a publicly owned wastewater treatment plant in Dillonvale, Jefferson County, Ohio treating an average of 0.04 million gallons per day against a permitted design capacity of 0.34 MGD, serving about 984 residents. It discharges under NPDES permit OH0076546 (effective), which expires in May 2028, with 0 recorded violations in the last three years.
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Decision-makers at Dillonvale-Mt Pleasant.
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Smithfield · 4 mi away
0.18 MGD
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0.05 MGD
Tiltonsville · 5 mi away
0.12 MGD
Adena · 5 mi away
0.15 MGD
Brilliant · 8 mi away
0.09 MGD
St Clairsville · 10 mi away
0.0026 MGD
Hopedale · 10 mi away
0.09 MGD
St Clairsville · 10 mi away
0.33 MGD
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 November 29, 2025.