East End Wastewater Treatment Facility
Sewage Plant Road, Portland, ME 04103 · Cumberland County · Publicly Owned Treatment Works
- Average flow
- 13.14 MGD
- Design flow
- 19.8 MGD
- NPDES permit
- ME0102075
- Administratively continued
- Permit expires
- March 2022
- Population served
- 65,596
- CWNS 2022
East End Wastewater Treatment Facility is a publicly owned wastewater treatment works in Portland, Cumberland County, Maine treating an average of 13.14 million gallons per day against a permitted design capacity of 19.8 MGD, serving about 65,596 residents. It discharges under NPDES permit ME0102075 (administratively continued), which expires in March 2022, with 20 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in March 2013.
Treatment technology
8 treatment structures and unit processes identified, 2 planned upgrades on record at East End Wastewater Treatment Facility.
Available with a free Klarifi account
See the full treatment train at East End Wastewater Treatment Facility: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 20
- Effluent violations
- 20
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for East End Wastewater Treatment Facility in EPA's ICIS system.
- Formal actions
- 2
- 0 since FY2020
- Penalties assessed
- $53,250
- all cases
- Compliance actions
- $2.7M
- required by EPA orders
- EPA inspections
- 1
- latest Oct 2006
Latest case · Mar 2013
PORTLAND CITY OF
Administrative order · CWA, NPDES Permit Violations · Final Order With Penalty · Penalty $53,250 · Compliance actions $713,000
EPA's description of the case:
“The City of Portland has had more than 20 sanitary sewer overflows over the past five years that have reached waters of the US, and over 80 that have affected public and private property. By…”
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Source: EPA ECHO, civil enforcement case 01-2012-2034.
Full case history with a free Klarifi account
Every action against East End Wastewater Treatment Facility with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
21 verified contacts for East End Wastewater Treatment Facility, with validated emails and direct phone numbers.
Unlock 21 verified contacts (18 more than shown)
Names, validated emails and direct phone numbers for decision-makers at East End Wastewater Treatment Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Maine
Portland · 3 mi away
0.08 MGD
Falmouth · 3 mi away
0.89 MGD
Westbrook · 5 mi away
3.05 MGD
Cape Elizabeth · 6 mi away
0.22 MGD
Yarmouth · 9 mi away
0.0078 MGD
Yarmouth · 9 mi away
0.55 MGD
Freeport · 13 mi away
0.3 MGD
Old Orchard Beach · 14 mi away
0.99 MGD
East End 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 19, 2026; facility record last updated February 16, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms