Cow Head Tank
Modoc County, California337 acresView mapDirections
No nutrient or algae sampling on record from SWRCB for this lake.
Cow Head Tank in Modoc County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 337 acres.
Cow Head Tank is a 337-acre lake in Modoc 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 Cow Head Tank 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 Cow Head Tank
These are the measurements SWRCB publishes for Cow Head Tank, 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 Cow Head Tank
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
337 acres
No bathymetric survey has been published for Cow Head Tank, so its depth is not documented here.
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Frequently asked questions about Cow Head Tank
Where is Cow Head Tank?
- Cow Head Tank is a lake in Modoc County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Cow Head Tank?
- Cow Head Tank in Modoc County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 337 acres.
Is Cow Head Tank 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 Cow Head Tank come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.