Halls Valley Lake
Santa Clara County, California36 acresView mapDirections
No nutrient or algae sampling on record from SWRCB for this lake.
Halls Valley Lake in Santa Clara County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 36 acres.
Halls Valley Lake is a 36-acre lake in Santa Clara County, California.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Halls Valley 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 Halls Valley Lake
These are the measurements SWRCB publishes for Halls Valley 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 Halls Valley Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
36 acres
Shoreline
1.3 mi
No bathymetric survey has been published for Halls Valley Lake, so its depth is not documented here.
Stays via Stay22
Stays near Halls Valley Lake
Compare lakeside cabins, hotels, and vacation rentals near Halls Valley Lake in Santa Clara County, California — 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.
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Frequently asked questions about Halls Valley Lake
Where is Halls Valley Lake?
- Halls Valley Lake is a lake in Santa Clara County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Halls Valley Lake?
- Halls Valley Lake in Santa Clara County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 36 acres.
Is Halls Valley 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 Halls Valley Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.