East Twin Lake
Yukon-Koyukuk County, Alaska1,192 acresView mapDirections
No nutrient or algae sampling on record from Alaska DEC for this lake.
- 37 ft mean depth (modelled)
East Twin Lake in Yukon-Koyukuk County, Alaska has water-quality measurements published by Alaska DEC, shown here as reported. Surface area: 1192 acres.
East Twin Lake is a 1,192-acre lake in Yukon-Koyukuk County, Alaska with an estimated average depth of about 37 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What East Twin Lake is good for
From access and monitoring records, not editorial picks.
- Big water1,192 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether East Twin 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 East Twin Lake
These are the measurements Alaska DEC publishes for East Twin 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 East Twin Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Mean depth
~37 ft est.
Surface area
1,192 acres
Depth marked “est.” is a modeled estimate from HydroLAKES, not a measured survey. Alaska has not published bathymetry for East Twin Lake.
Lake Size & Watershed
Watershed (drainage) area
5 sq mi
HydroLAKES / HydroSHEDS
Mean depth
~37 ft est.
Modelled from terrain, not sounded
Shoreline
5.7 mi
HydroLAKES / HydroSHEDS
Elevation
653 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 East Twin Lake
Nearby Lakes in Yukon-Koyukuk County
Frequently asked questions about East Twin Lake
Where is East Twin Lake?
- East Twin Lake is a lake in Yukon-Koyukuk County, Alaska. Its water-quality measurements are published by Alaska DEC and shown on this page as reported.
What is the water quality of East Twin Lake?
- East Twin Lake in Yukon-Koyukuk County, Alaska has water-quality measurements published by Alaska DEC, shown here as reported. Surface area: 1192 acres.
Is East Twin Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is East Twin Lake?
- No published bathymetric survey covers East Twin Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 37 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 1192 acres.
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Where this data comes from
Measurements for East Twin 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)