Red Rock Lake
Lassen County, California507 acresView mapDirections
No nutrient or algae sampling on record from SWRCB for this lake.
Red Rock Lake in Lassen County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 507 acres.
Red Rock Lake is a 507-acre lake in Lassen 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 Red Rock 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 Red Rock Lake
These are the measurements SWRCB publishes for Red Rock 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 Red Rock Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
507 acres
No bathymetric survey has been published for Red Rock Lake, so its depth is not documented here.
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Frequently asked questions about Red Rock Lake
Where is Red Rock Lake?
- Red Rock Lake is a lake in Lassen County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Red Rock Lake?
- Red Rock Lake in Lassen County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 507 acres.
Is Red Rock 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 Red Rock Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.