Upper Blue Lake
Alpine County, California294 acresView mapDirections
No nutrient or algae sampling on record from SWRCB for this lake.
- Limited data
Upper Blue Lake in Alpine County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 294 acres.
Upper Blue Lake is a 294-acre lake in Alpine County, California.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Upper Blue Lake is safe to swim in today is a call for the California State Water Resources Control Board and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Upper Blue Lake
These are the measurements SWRCB publishes for Upper Blue 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.
Ask about Upper Blue Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
294 acres
Shoreline
3.2 mi
No bathymetric survey has been published for Upper Blue Lake, so its depth is not documented here.
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Stays near Upper Blue Lake
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Fishing Upper Blue Lake
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Frequently asked questions about Upper Blue Lake
Where is Upper Blue Lake?
- Upper Blue Lake is a lake in Alpine County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Upper Blue Lake?
- Upper Blue Lake in Alpine County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 294 acres.
Is Upper Blue Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
Measurements for Upper Blue Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.