Passamaquoddy Wastewater Treatment Facility
7 Treatment Plant Rd, Perry, ME 04667 · Washington County · Publicly Owned Treatment Works
- Average flow
- 0.07 MGD
- Design flow
- 0.15 MGD
- NPDES permit
- ME0100773
- Effective
- Permit expires
- July 2031
- Population served
- —
- CWNS 2022
Passamaquoddy Wastewater Treatment Facility is a publicly owned wastewater treatment works in Perry, Washington County, Maine treating an average of 0.07 million gallons per day against a permitted design capacity of 0.15 MGD. It discharges under NPDES permit ME0100773 (effective), which expires in July 2031, with 7 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Passamaquoddy Wastewater Treatment Facility.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 7
- 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 Passamaquoddy Wastewater Treatment Facility.
No verified contacts on file yet
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Nearby wastewater treatment plants in Maine
Eastport · 2 mi away
0.03 MGD
Perry · 3 mi away
0.02 MGD
Eastport · 5 mi away
0.12 MGD
Lubec · 8 mi away
0.03 MGD
Calais · 19 mi away
0.52 MGD
East Machias · 23 mi away
0.0034 MGD
Machias · 26 mi away
0.21 MGD
Whitneyville · 29 mi away
0.0021 MGD
Passamaquoddy Wastewater Treatment 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 October 26, 2026; facility record last updated September 24, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms