Ellsworth Water Pollution Control Facility
Bayside Rd, Ellsworth, ME 04605 · Hancock County · Publicly Owned Treatment Works
- Average flow
- 0.46 MGD
- Design flow
- 1.65 MGD
- NPDES permit
- ME0102865
- Administratively continued
- Permit expires
- December 2022
- Population served
- 2,360
- CWNS 2022
Ellsworth Water Pollution Control Facility is a publicly owned wastewater treatment works in Ellsworth, Hancock County, Maine treating an average of 0.46 million gallons per day against a permitted design capacity of 1.65 MGD, serving about 2,360 residents. It discharges under NPDES permit ME0102865 (administratively continued), which expires in December 2022, with 0 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Ellsworth Water Pollution Control Facility.
Available with a free Klarifi account
See the full treatment train at Ellsworth Water Pollution Control Facility: structures, unit processes and planned upgrades, with exact unit counts.
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 Ellsworth Water Pollution Control Facility.
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Ellsworth Water Pollution Control 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 14, 2026; facility record last updated April 3, 2025.