Longley Pond
Piscataquis County, Maine760 acresView mapDirections
No nutrient or algae sampling on record from Maine DEP for this lake.
- 10 ft max depth
Longley Pond in Piscataquis County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 10 ft. Surface area: 760 acres.
Longley Pond is a 760-acre lake in Piscataquis County, Maine with a maximum depth of 10 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Longley Pond 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 Longley Pond
These are the measurements Maine DEP publishes for Longley Pond, 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.
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Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
10 ft
Surface area
760 acres
Shoreline
5.1 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 Longley Pond
Where is Longley Pond?
- Longley Pond is a lake in Piscataquis County, Maine. Its water-quality measurements are published by Maine DEP and shown on this page as reported.
What is the water quality of Longley Pond?
- Longley Pond in Piscataquis County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 10 ft. Surface area: 760 acres.
Is Longley Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Longley Pond?
- Longley Pond has a maximum depth of 10 feet. The lake covers 760 acres.
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Where this data comes from
Measurements for Longley Pond come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.