Otter Lake
Tuolumne County, California29 acresView mapDirections
No nutrient or algae sampling on record from SWRCB for this lake.
Otter Lake in Tuolumne County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 29 acres.
Otter Lake is a 29-acre lake in Tuolumne 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 Otter 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 Otter Lake
These are the measurements SWRCB publishes for Otter 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 Otter Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
29 acres
Shoreline
1.8 mi
No bathymetric survey has been published for Otter Lake, so its depth is not documented here.
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Fishing Otter Lake
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Frequently asked questions about Otter Lake
Where is Otter Lake?
- Otter Lake is a lake in Tuolumne County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Otter Lake?
- Otter Lake in Tuolumne County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 29 acres.
Is Otter 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 Otter Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.