Harlequin Lake
Yakutat County, Alaska16,898 acresView mapDirections
No nutrient or algae sampling on record from Alaska DEC for this lake.
- 159 ft mean depth (modelled)
Harlequin Lake in Yakutat County, Alaska has water-quality measurements published by Alaska DEC, shown here as reported. Surface area: 16898 acres.
Harlequin Lake is a 16,898-acre lake in Yakutat County, Alaska with an estimated average depth of about 159 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What Harlequin Lake is good for
From access and monitoring records, not editorial picks.
- Big water16,898 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Harlequin Lake is safe to swim in today is a call for the Alaska Department of Environmental Conservation and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Harlequin Lake
These are the measurements Alaska DEC publishes for Harlequin 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 Harlequin Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Mean depth
~159 ft est.
Surface area
16,898 acres
Depth marked “est.” is a modeled estimate from HydroLAKES, not a measured survey. Alaska has not published bathymetry for Harlequin Lake.
Lake Size & Watershed
Watershed (drainage) area
319 sq mi
HydroLAKES / HydroSHEDS
Mean depth
~159 ft est.
Modelled from terrain, not sounded
Shoreline
36.7 mi
HydroLAKES / HydroSHEDS
Elevation
98 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
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Fishing Harlequin Lake
Nearby Lakes in Yakutat County
Frequently asked questions about Harlequin Lake
Where is Harlequin Lake?
- Harlequin Lake is a lake in Yakutat County, Alaska. Its water-quality measurements are published by Alaska DEC and shown on this page as reported.
What is the water quality of Harlequin Lake?
- Harlequin Lake in Yakutat County, Alaska has water-quality measurements published by Alaska DEC, shown here as reported. Surface area: 16898 acres.
Is Harlequin Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Harlequin Lake?
- No published bathymetric survey covers Harlequin Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 159 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 16898 acres.
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Where this data comes from
Measurements for Harlequin Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Lake size & watershed from HydroLAKES (HydroSHEDS)