East Machias WWTF
East Machias, ME · Washington County · Publicly Owned Treatment Works
- Average flow
- 0.0069 MGD
- Design flow
- 0.03 MGD
- NPDES permit
- ME0102156
- Administratively continued
- Permit expires
- July 2023
- Population served
- 1,296
- CWNS 2022
East Machias WWTF is a publicly owned wastewater treatment works in East Machias, Washington County, Maine treating an average of 0.0069 million gallons per day against a permitted design capacity of 0.03 MGD, serving about 1,296 residents. Treatment on site includes biological treatment, other, disinfection, uv, disinfection, chlorine/ chloramine, filtration. It discharges under NPDES permit ME0102156 (administratively continued), which expires in July 2023, with 7 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Biological Treatment, Other
unit processDisinfection, UV
unit processDisinfection, chlorine/ chloramine
unit processFiltration
unit processUnlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 7
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at East Machias WWTF.
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Nearby wastewater treatment plants in Maine
Machias · 3 mi away
0.13 MGD
Whitneyville · 7 mi away
0.0015 MGD
Lubec · 22 mi away
0.03 MGD
Perry · 22 mi away
0.0097 MGD
Eastport · 23 mi away
0.02 MGD
Eastport · 23 mi away
0.08 MGD
Perry · 23 mi away
0.05 MGD
Milbridge · 27 mi away
0.01 MGD
East Machias 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 September 3, 2024.