Bar Harbor Wastewater Treatment Facility
Degregoire Park Rd, Bar Harbor, ME 04609 · Hancock County · Publicly Owned Treatment Works
- Average flow
- 0.0035 MGD
- Design flow
- 0.01 MGD
- NPDES permit
- ME0102474
- Administratively continued
- Permit expires
- October 2020
- Population served
- 21
- CWNS 2022
Bar Harbor Wastewater Treatment Facility is a publicly owned wastewater treatment works in Bar Harbor, Hancock County, Maine treating an average of 0.0035 million gallons per day against a permitted design capacity of 0.01 MGD, serving about 21 residents. It discharges under NPDES permit ME0102474 (administratively continued), which expires in October 2020, with 1 recorded violation in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Bar Harbor Wastewater Treatment Facility.
Available with a free Klarifi account
See the full treatment train at Bar Harbor Wastewater Treatment Facility: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Bar Harbor Wastewater Treatment Facility.
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Nearby wastewater treatment plants in Maine
Bar Harbor · 1 mi away
0.05 MGD
Bar Harbor · 5 mi away
0.91 MGD
Sorrento · 5 mi away
0.0034 MGD
Mount Desert · 7 mi away
0.02 MGD
Winter Harbor · 9 mi away
0.02 MGD
Seal Harbor · 10 mi away
0.07 MGD
Northeast Harbor · 10 mi away
0.2 MGD
Ellsworth · 10 mi away
0.74 MGD
Bar Harbor 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 26, 2026; facility record last updated July 18, 2023.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms