Westbrook Waste Water Treatmemt Facility
Westbrook, ME · Cumberland County · Publicly Owned Treatment Works
- Average flow
- 2.5 MGD
- Design flow
- 4.54 MGD
- NPDES permit
- ME0100846
- Administratively continued
- Permit expires
- July 2022
- Population served
- 23,987
- CWNS 2022
Westbrook Waste Water Treatmemt Facility is a publicly owned wastewater treatment works in Westbrook, Cumberland County, Maine treating an average of 2.5 million gallons per day against a permitted design capacity of 4.54 MGD, serving about 23,987 residents. Treatment on site includes biogas balloons, dechlorination, disinfection, chlorine/ chloramine, primary clarification or sedimentation, screening and other unit processes. It discharges under NPDES permit ME0100846 (administratively continued), which expires in July 2022, with 26 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Biogas balloons
Unlock
Dechlorination
unit processDisinfection, chlorine/ chloramine
unit processPrimary Clarification or Sedimentation
unit processScreening
unit processSuspended Growth, Aerobic
unit processUnlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 26
- Effluent violations
- 8
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Westbrook Waste Water Treatmemt Facility, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Westbrook Waste Water Treatmemt Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Maine
Falmouth · 6 mi away
0.7 MGD
Portland · 8 mi away
0.05 MGD
Cape Elizabeth · 9 mi away
0.14 MGD
Yarmouth · 11 mi away
0.44 MGD
Yarmouth · 12 mi away
0.0032 MGD
Old Orchard Beach · 13 mi away
0.9 MGD
Freeport · 16 mi away
0.23 MGD
Biddeford · 17 mi away
0.0048 MGD
Westbrook Waste Water Treatmemt 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 August 16, 2026.