Eastport WWTF
Eastport, ME · Washington County · Publicly Owned Treatment Works
- Average flow
- 0.08 MGD
- Design flow
- 0.34 MGD
- NPDES permit
- ME0100200
- Effective
- Permit expires
- February 2030
- Population served
- 1,183
- CWNS 2022
Eastport WWTF is a publicly owned wastewater treatment works in Eastport, Washington County, Maine treating an average of 0.08 million gallons per day against a permitted design capacity of 0.34 MGD, serving about 1,183 residents. Treatment on site includes biogas balloons, biosolids anaerobic digestion without energy recovery, biosolids drying, dechlorination, disinfection, chlorine/ chloramine and other unit processes. It discharges under NPDES permit ME0100200 (effective), which expires in February 2030, with 2 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Biogas balloons
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Biosolids Anaerobic Digestion without Energy Recovery
unit processBiosolids Drying
unit processDechlorination
unit processDisinfection, chlorine/ chloramine
unit processPrimary Clarification or Sedimentation
unit processScreening
unit processUnlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 2
- 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 Eastport WWTF.
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Nearby wastewater treatment plants in Maine
Eastport · 3 mi away
0.02 MGD
Lubec · 3 mi away
0.03 MGD
Perry · 5 mi away
0.05 MGD
Perry · 7 mi away
0.0097 MGD
East Machias · 23 mi away
0.0069 MGD
Calais · 24 mi away
0.34 MGD
Machias · 26 mi away
0.13 MGD
Whitneyville · 29 mi away
0.0015 MGD
Eastport WWTF: 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 11, 2026; facility record last updated November 8, 2025.