Marks Lake
Washington County, Maine183 acresView mapDirections
No nutrient or algae sampling on record from Maine DEP for this lake.
- 27 ft max depth
Marks Lake in Washington County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 27 ft. Surface area: 183 acres.
Marks Lake is a 183-acre lake in Washington County, Maine with a maximum depth of 27 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 Marks Lake 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 Marks Lake
These are the measurements Maine DEP publishes for Marks Lake, 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 Marks Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
27 ft
Surface area
183 acres
Shoreline
5.9 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 Marks Lake
Where is Marks Lake?
- Marks Lake is a lake in Washington County, Maine. Its water-quality measurements are published by Maine DEP and shown on this page as reported.
What is the water quality of Marks Lake?
- Marks Lake in Washington County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 27 ft. Surface area: 183 acres.
Is Marks Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Marks Lake?
- Marks Lake has a maximum depth of 27 feet. The lake covers 183 acres.
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Where this data comes from
Measurements for Marks Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.