South Cape Elizabeth WWTF
Cape Elizabeth, ME · Cumberland County · Publicly Owned Treatment Works
- Average flow
- 0.14 MGD
- Design flow
- 0.5 MGD
- NPDES permit
- ME0102121
- Administratively continued
- Permit expires
- December 2021
- Population served
- 4,162
- CWNS 2022
South Cape Elizabeth WWTF is a publicly owned wastewater treatment works in Cape Elizabeth, Cumberland County, Maine treating an average of 0.14 million gallons per day against a permitted design capacity of 0.5 MGD, serving about 4,162 residents. Treatment on site includes carrousels / oxidation ditches, disinfection, uv, primary clarification or sedimentation, screening, suspended growth, aerobic. It discharges under NPDES permit ME0102121 (administratively continued), which expires in December 2021, with 15 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Carrousels / oxidation ditches
Unlock
Disinfection, UV
unit processPrimary Clarification or Sedimentation
unit processScreening
unit processSuspended Growth, Aerobic
unit processUnlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 15
- Effluent violations
- 15
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at South Cape Elizabeth WWTF.
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Nearby wastewater treatment plants in Maine
Portland · 5 mi away
0.05 MGD
Falmouth · 9 mi away
0.7 MGD
Westbrook · 9 mi away
2.5 MGD
Old Orchard Beach · 10 mi away
0.9 MGD
Biddeford · 11 mi away
0.0048 MGD
Yarmouth · 13 mi away
0.0032 MGD
Yarmouth · 15 mi away
0.44 MGD
Freeport · 18 mi away
0.23 MGD
South Cape Elizabeth 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 February 15, 2025.