25 School Street Rear, Kennebunkport, ME 04046 · York County · Publicly Owned Treatment Works
Kennebunkport Wastewater Treatment Facility is a publicly owned wastewater treatment works in Kennebunkport, York County, Maine treating an average of 0.32 million gallons per day against a permitted design capacity of 0.7 MGD, serving about 3,700 residents. It discharges under NPDES permit ME0101184 (effective), which expires in November 2026, with 31 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in November 2002.
6 treatment structures and unit processes identified at Kennebunkport Wastewater Treatment Facility.
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See the full treatment train at Kennebunkport Wastewater Treatment Facility: structures, unit processes and planned upgrades, with exact unit counts.
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Federal civil enforcement cases, compliance inspections and informal actions recorded for Kennebunkport Wastewater Treatment Facility in EPA's ICIS system.
Latest case · Nov 2002
KENNEBUNKPORT ME WWTP
Administrative order · CWA, SPCC and/or Federal Response Plan Violations · Final Order With Penalty · Penalty $4,500
Source: EPA ECHO, civil enforcement case 01-2002-0145.
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Every action against Kennebunkport Wastewater Treatment Facility with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Decision-makers at Kennebunkport Wastewater Treatment Facility.
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Biddeford · 8 mi away
0.0075 MGD
Ogunquit · 9 mi away
0.49 MGD
Old Orchard Beach · 10 mi away
0.99 MGD
Sanford · 13 mi away
1.42 MGD
York · 14 mi away
0.99 MGD
Cape Elizabeth · 19 mi away
0.22 MGD
South Berwick · 19 mi away
0.25 MGD
Westbrook · 24 mi away
3.05 MGD
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 November 26, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Tertiary treatment · Significant industrial user · all terms