Ogunquit Wastewater Treatment Facility
Ogunquit, ME · York County · Publicly Owned Treatment Works
- Average flow
- 0.54 MGD
- Design flow
- 1.28 MGD
- NPDES permit
- ME0100986
- Administratively continued
- Permit expires
- November 2023
- Population served
- 1,000
- CWNS 2022
Ogunquit Wastewater Treatment Facility is a publicly owned wastewater treatment works in Ogunquit, York County, Maine treating an average of 0.54 million gallons per day against a permitted design capacity of 1.28 MGD, serving about 1,000 residents. Treatment on site includes clarifiers, uncovered lagoons, biogas balloons, biological treatment, other, dechlorination and other unit processes. It discharges under NPDES permit ME0100986 (administratively continued), which expires in November 2023, with 8 recorded violations in the last three years. Planned upgrades on record: biological n removal.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Uncovered lagoons
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Biogas balloons
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Biological Treatment, Other
unit processDechlorination
unit processDisinfection, chlorine/ chloramine
unit processLagoon, Aerobic
unit processScreening
unit processBiological N removal
planned upgradeUnlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 8
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Ogunquit Wastewater Treatment Facility.
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Nearby wastewater treatment plants in Maine
York · 6 mi away
0.67 MGD
Kennebunkport · 9 mi away
0.26 MGD
South Berwick · 11 mi away
0.2 MGD
Sanford · 12 mi away
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Biddeford · 17 mi away
0.0048 MGD
Old Orchard Beach · 19 mi away
0.9 MGD
Cape Elizabeth · 28 mi away
0.14 MGD
Limerick · 31 mi away
0.11 MGD
Ogunquit 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 September 11, 2026; facility record last updated May 19, 2025.