Third Saint John Pond
Somerset County, Maine221 acresView mapDirections
No nutrient or algae sampling on record from Maine DEP for this lake.
- 14 ft max depth
Third Saint John Pond in Somerset County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 14 ft. Surface area: 221 acres.
Third Saint John Pond is a 221-acre lake in Somerset County, Maine with a maximum depth of 14 feet (9-foot average).
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 Third Saint John 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 Third Saint John Pond
These are the measurements Maine DEP publishes for Third Saint John 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
14 ft
Average depth
9 ft
Surface area
221 acres
Shoreline
4.1 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 Third Saint John Pond
Where is Third Saint John Pond?
- Third Saint John Pond 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 Third Saint John Pond?
- Third Saint John Pond in Somerset County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 14 ft. Surface area: 221 acres.
Is Third Saint John Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Third Saint John Pond?
- Third Saint John Pond has a maximum depth of 14 feet and an average depth of 9 feet. The lake covers 221 acres.
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Where this data comes from
Measurements for Third Saint John Pond come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.