Frog Lake
Nevada County, California35 acresView mapDirections
SWRCB publishes the water-quality measurements for Frog Lake. Here is what has been measured.
- Limited data
Frog Lake in Nevada County, California has water-quality measurements published by SWRCB, shown here as reported. Chlorophyll-a (algae): 0.4 µg/L. Surface area: 35 acres.
Frog Lake is a 35-acre lake in Nevada County, California.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2017-08-02. 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 Frog 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 Frog Lake
These are the measurements SWRCB publishes for Frog 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. Chlorophyll-a 0.4 µg/L.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | 0.4µg/L | Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water. |
Ask about Frog Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
35 acres
Shoreline
1 mi
No bathymetric survey has been published for Frog Lake, so its depth is not documented here.
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Frequently asked questions about Frog Lake
Where is Frog Lake?
- Frog Lake is a lake in Nevada County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Frog Lake?
- Frog Lake in Nevada County, California has water-quality measurements published by SWRCB, shown here as reported. Chlorophyll-a (algae): 0.4 µg/L. Surface area: 35 acres.
Is Frog 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 Frog Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.