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LakeQuality

Grand Lake Seboeis

Penobscot County, Maine2,604 acresView mapDirections

No nutrient or algae sampling on record from Maine DEP for this lake.

Max depth
33 ft
Bathymetric survey
Area
2,604 acres
Surface area
Shoreline
24.6 mi
Measured length
  • 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.

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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 reading

Not 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.

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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

Stays via Stay22

Stays near Grand Lake Seboeis

Compare lakeside cabins, hotels, and vacation rentals near Grand Lake Seboeis in Penobscot County, Maine — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Grand Lake Seboeis

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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.

Measurements on this page ↑

Is Grand Lake Seboeis safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

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.

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.