Eyak Lake
Chugach County, Alaska2,413 acresView mapDirections
No nutrient or algae sampling on record from Alaska DEC for this lake.
- 160 ft mean depth (modelled)
Eyak Lake in Chugach County, Alaska has water-quality measurements published by Alaska DEC, shown here as reported. Surface area: 2413 acres.
Eyak Lake is a 2,413-acre lake in Chugach County, Alaska with an estimated average depth of about 160 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What Eyak Lake is good for
From access and monitoring records, not editorial picks.
- Big water2,413 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Eyak 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 Eyak Lake
These are the measurements Alaska DEC publishes for Eyak 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 Eyak Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Mean depth
~160 ft est.
Surface area
2,413 acres
Depth marked “est.” is a modeled estimate from HydroLAKES, not a measured survey. Alaska has not published bathymetry for Eyak Lake.
Lake Size & Watershed
Watershed (drainage) area
44 sq mi
HydroLAKES / HydroSHEDS
Mean depth
~160 ft est.
Modelled from terrain, not sounded
Shoreline
22 mi
HydroLAKES / HydroSHEDS
Elevation
49 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.
Stays via Stay22
Stays near Eyak Lake
Compare lakeside cabins, hotels, and vacation rentals near Eyak Lake in Chugach County, Alaska — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Eyak Lake
Prices for Oct 16–18, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Follow Eyak Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Eyak Lake
Nearby Lakes in Chugach County
Frequently asked questions about Eyak Lake
Where is Eyak Lake?
- Eyak Lake is a lake in Chugach County, Alaska. Its water-quality measurements are published by Alaska DEC and shown on this page as reported.
What is the water quality of Eyak Lake?
- Eyak Lake in Chugach County, Alaska has water-quality measurements published by Alaska DEC, shown here as reported. Surface area: 2413 acres.
Is Eyak Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Eyak Lake?
- No published bathymetric survey covers Eyak Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 160 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 2413 acres.
Explore Eyak Lake across LakeQuality
More lakes in Alaska
Other Lakes in Alaska
Where this data comes from
Measurements for Eyak 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)