Penobscot Lake
Somerset County, Maine1,162 acresView mapDirections
No nutrient or algae sampling on record from Maine DEP for this lake.
- 104 ft max depth
Penobscot Lake in Somerset County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 104 ft. Surface area: 1162 acres.
Penobscot Lake is a 1,162-acre lake in Somerset County, Maine with a maximum depth of 104 feet (33-foot average).
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What Penobscot Lake is good for
From access and monitoring records, not editorial picks.
- Deep water104 ft surveyed max depth
- Big water1,162 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Penobscot Lake is safe to swim in today is a call for the Maine Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Penobscot Lake
These are the measurements Maine DEP publishes for Penobscot Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. TSI undefined.
Ask about Penobscot Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
104 ft
Average depth
33 ft
Surface area
1,162 acres
Shoreline
13.9 mi
The depth above comes from a bathymetric survey of this lake, not from a regional estimate.
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Frequently asked questions about Penobscot Lake
Where is Penobscot Lake?
- Penobscot Lake is a lake in Somerset County, Maine. Its water-quality measurements are published by Maine DEP and shown on this page as reported.
What is the water quality of Penobscot Lake?
- Penobscot Lake in Somerset County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 104 ft. Surface area: 1162 acres.
Is Penobscot Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Penobscot Lake?
- Penobscot Lake has a maximum depth of 104 feet and an average depth of 33 feet. The lake covers 1162 acres.
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Where this data comes from
Measurements for Penobscot Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.