Grand Lake Matagamon
Penobscot County, Maine4,871 acresView mapDirections
No nutrient or algae sampling on record from Maine DEP for this lake.
- 95 ft max depth
Grand Lake Matagamon in Penobscot County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 95 ft. Surface area: 4871 acres.
Grand Lake Matagamon is a 4,871-acre lake in Penobscot County, Maine with a maximum depth of 95 feet (23-foot average).
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What Grand Lake Matagamon is good for
From access and monitoring records, not editorial picks.
- Deep water95 ft surveyed max depth
- Big water4,871 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Grand Lake Matagamon 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 Matagamon
These are the measurements Maine DEP publishes for Grand Lake Matagamon, 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 Matagamon
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
95 ft
Average depth
23 ft
Surface area
4,871 acres
Shoreline
50.8 mi
The depth above comes from a bathymetric survey of this lake, not from a regional estimate.
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Fishing Grand Lake Matagamon
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Frequently asked questions about Grand Lake Matagamon
Where is Grand Lake Matagamon?
- Grand Lake Matagamon 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 Matagamon?
- Grand Lake Matagamon in Penobscot County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 95 ft. Surface area: 4871 acres.
Is Grand Lake Matagamon safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Grand Lake Matagamon?
- Grand Lake Matagamon has a maximum depth of 95 feet and an average depth of 23 feet. The lake covers 4871 acres.
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Where this data comes from
Measurements for Grand Lake Matagamon come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.