Lake Grace
Ketchikan Gateway County, Alaska1,723 acresView mapDirections
No nutrient or algae sampling on record from Alaska DEC for this lake.
- 112 ft mean depth (modelled)
Lake Grace in Ketchikan Gateway County, Alaska has water-quality measurements published by Alaska DEC, shown here as reported. Surface area: 1723 acres.
Lake Grace is a 1,723-acre lake in Ketchikan Gateway County, Alaska with an estimated average depth of about 112 feet.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What Lake Grace is good for
From access and monitoring records, not editorial picks.
- Big water1,723 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lake Grace 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 Lake Grace
These are the measurements Alaska DEC publishes for Lake Grace, 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 Lake Grace
Answers come straight from the public measurements and survey records on this page.
Lake Details
Mean depth
~112 ft est.
Surface area
1,723 acres
Depth marked “est.” is a modeled estimate from HydroLAKES, not a measured survey. Alaska has not published bathymetry for Lake Grace.
Lake Size & Watershed
Watershed (drainage) area
26 sq mi
HydroLAKES / HydroSHEDS
Mean depth
~112 ft est.
Modelled from terrain, not sounded
Shoreline
13.4 mi
HydroLAKES / HydroSHEDS
Elevation
430 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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Stays near Lake Grace
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Fishing Lake Grace
Nearby Lakes in Ketchikan Gateway County
Frequently asked questions about Lake Grace
Where is Lake Grace?
- Lake Grace is a lake in Ketchikan Gateway County, Alaska. Its water-quality measurements are published by Alaska DEC and shown on this page as reported.
What is the water quality of Lake Grace?
- Lake Grace in Ketchikan Gateway County, Alaska has water-quality measurements published by Alaska DEC, shown here as reported. Surface area: 1723 acres.
Is Lake Grace safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Lake Grace?
- No published bathymetric survey covers Lake Grace, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 112 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 1723 acres.
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Where this data comes from
Measurements for Lake Grace 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)