Long (Great) Pond
Mount Desert, Southwest Harbor, Hancock, Maine
MIDAS 4622
Lake Chemistry
Data below include the overall mean values for each water quality parameter. (Overall means are average of annual means.) Click on the links to view annual averages and date-specific data. Data displayed are for station 1 only.
Total Phosphorus:- Overall Average: Epilimnetic core: 3.9 ug/L, Surface grab: no data, Bottom grab: 7 ug/L
- Annual Average »
- Specific Dates »
Chlorophyll a:
- Overall Average: 2.2 ug/L
- Annual Average »
- Specific Dates »
- Overall Average: 12 SPU
- Annual Average »
- Specific Dates »
- Overall Average: 43.8 uS
- Annual Average »
- Specific Dates »
- Overall Average: 6.3 pH
- Annual Average »
- Specific Dates »
- Overall Average: 3.3 mg/L
- Annual Average »
- Specific Dates »
Understanding Lake Chemistry
Click for depth map
Source Data:
Maine Lakes Transparency, Color & Chemistry: Overall Mean Values
Maine Lakes Transparency, Color & Chemistry: Annual Mean Values
Maine lakes water quality - pH, color, conductivity, alkalinity (by date)