Big Margaret Lake
Fresno County, California82 acresView mapDirections
No nutrient or algae sampling on record from SWRCB for this lake.
Big Margaret Lake in Fresno County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 82 acres.
Big Margaret Lake is a 82-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 Big Margaret 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 Big Margaret Lake
These are the measurements SWRCB publishes for Big Margaret 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 Big Margaret Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
82 acres
Shoreline
2.4 mi
No bathymetric survey has been published for Big Margaret Lake, so its depth is not documented here.
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Fishing Big Margaret Lake
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Frequently asked questions about Big Margaret Lake
Where is Big Margaret Lake?
- Big Margaret Lake 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 Big Margaret Lake?
- Big Margaret Lake in Fresno County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 82 acres.
Is Big Margaret 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 Big Margaret Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.