Lake Joallan
Fresno County, California28 acresView mapDirections
No nutrient or algae sampling on record from SWRCB for this lake.
Lake Joallan in Fresno County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 28 acres.
Lake Joallan is a 28-acre lake in Fresno 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 Lake Joallan 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 Lake Joallan
These are the measurements SWRCB publishes for Lake Joallan, 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 Joallan
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
28 acres
No bathymetric survey has been published for Lake Joallan, so its depth is not documented here.
Stays via Stay22
Stays near Lake Joallan
Compare lakeside cabins, hotels, and vacation rentals near Lake Joallan in Fresno 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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Fishing Lake Joallan
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Frequently asked questions about Lake Joallan
Where is Lake Joallan?
- Lake Joallan is a lake in Fresno County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Lake Joallan?
- Lake Joallan in Fresno County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 28 acres.
Is Lake Joallan 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 Lake Joallan come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.