Falmouth Waste Water Treatment Facility
Falmouth, ME · Cumberland County · Publicly Owned Treatment Works
- Average flow
- 0.7 MGD
- Design flow
- 1.56 MGD
- NPDES permit
- ME0100218
- Administratively continued
- Permit expires
- December 2023
- Population served
- 12,575
- CWNS 2022
Falmouth Waste Water Treatment Facility is a publicly owned wastewater treatment works in Falmouth, Cumberland County, Maine treating an average of 0.7 million gallons per day against a permitted design capacity of 1.56 MGD, serving about 12,575 residents. Treatment on site includes dechlorination, disinfection, chlorine/ chloramine, primary clarification or sedimentation, screening, suspended growth, aerobic. It discharges under NPDES permit ME0100218 (administratively continued), which expires in December 2023, with 3 recorded violations in the last three years. Planned upgrades on record: biological n removal.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Dechlorination
unit processDisinfection, chlorine/ chloramine
unit processPrimary Clarification or Sedimentation
unit processScreening
unit processSuspended Growth, Aerobic
unit processBiological N removal
planned upgradeUnlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 3
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Falmouth Waste Water Treatment Facility.
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Nearby wastewater treatment plants in Maine
Portland · 5 mi away
0.05 MGD
Westbrook · 6 mi away
2.5 MGD
Yarmouth · 6 mi away
0.0032 MGD
Yarmouth · 6 mi away
0.44 MGD
Cape Elizabeth · 9 mi away
0.14 MGD
Freeport · 11 mi away
0.23 MGD
Old Orchard Beach · 17 mi away
0.9 MGD
Biddeford · 19 mi away
0.0048 MGD
Falmouth Waste Water 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 September 11, 2026; facility record last updated February 15, 2025.