Yarmouth Wastewater Treatiment Facility
82 Princes Point Road, Yarmouth, ME 04096 · Cumberland County · Publicly Owned Treatment Works
- Average flow
- 0.55 MGD
- Design flow
- 1.31 MGD
- NPDES permit
- ME0100765
- Administratively continued
- Permit expires
- August 2022
- Population served
- 5,770
- CWNS 2022
Yarmouth Wastewater Treatiment Facility is a publicly owned wastewater treatment works in Yarmouth, Cumberland County, Maine treating an average of 0.55 million gallons per day against a permitted design capacity of 1.31 MGD, serving about 5,770 residents. It discharges under NPDES permit ME0100765 (administratively continued), which expires in August 2022, with 3 recorded violations in the last three years.
Treatment technology
7 treatment structures and unit processes identified at Yarmouth Wastewater Treatiment Facility.
Available with a free Klarifi account
See the full treatment train at Yarmouth Wastewater Treatiment Facility: structures, unit processes and planned upgrades, with 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 Yarmouth Wastewater Treatiment Facility.
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Nearby wastewater treatment plants in Maine
Yarmouth · 2 mi away
0.0078 MGD
Freeport · 4 mi away
0.3 MGD
Falmouth · 6 mi away
0.89 MGD
Portland · 10 mi away
0.08 MGD
Westbrook · 11 mi away
3.05 MGD
Cape Elizabeth · 15 mi away
0.22 MGD
Lisbon · 15 mi away
0.45 MGD
Sabattus · 22 mi away
0.07 MGD
Yarmouth Wastewater Treatiment 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 February 3, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms