Grand Lake Seboeis
Penobscot County, Maine2,604 acresView mapDirections
No nutrient or algae sampling on record from Maine DEP for this lake.
- 33 ft max depth
Grand Lake Seboeis in Penobscot County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 33 ft. Surface area: 2604 acres.
Grand Lake Seboeis is a 2,604-acre lake in Penobscot County, Maine with a maximum depth of 33 feet (12-foot average).
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What Grand Lake Seboeis is good for
From access and monitoring records, not editorial picks.
- Deep water33 ft surveyed max depth
- Big water2,604 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Grand Lake Seboeis 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 Grand Lake Seboeis
These are the measurements Maine DEP publishes for Grand Lake Seboeis, 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 Grand Lake Seboeis
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
33 ft
Average depth
12 ft
Surface area
2,604 acres
Shoreline
24.6 mi
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Fishing Grand Lake Seboeis
Nearby Lakes in Penobscot County
Frequently asked questions about Grand Lake Seboeis
Where is Grand Lake Seboeis?
- Grand Lake Seboeis is a lake in Penobscot County, Maine. Its water-quality measurements are published by Maine DEP and shown on this page as reported.
What is the water quality of Grand Lake Seboeis?
- Grand Lake Seboeis in Penobscot County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 33 ft. Surface area: 2604 acres.
Is Grand Lake Seboeis safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Grand Lake Seboeis?
- Grand Lake Seboeis has a maximum depth of 33 feet and an average depth of 12 feet. The lake covers 2604 acres.
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Where this data comes from
Measurements for Grand Lake Seboeis come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.