Cow Lakes
Malheur County, Oregon998 acresView mapDirections
No nutrient or algae sampling on record from Oregon DEQ for this lake.
Cow Lakes in Malheur County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Surface area: 998 acres.
Cow Lakes is a 998-acre lake in Malheur County, Oregon.
Source: EPA Water Quality Portal sampling records, Oregon DEQ. 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 Lakes is safe to swim in today is a call for the Oregon Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Cow Lakes
These are the measurements Oregon DEQ publishes for Cow Lakes, 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 Lakes
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
998 acres
Shoreline
17.8 mi
No bathymetric survey has been published for Cow Lakes, so its depth is not documented here.
Stays via Stay22
Stays near Cow Lakes
Compare lakeside cabins, hotels, and vacation rentals near Cow Lakes in Malheur County, Oregon — 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 Cow Lakes
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Frequently asked questions about Cow Lakes
Where is Cow Lakes?
- Cow Lakes is a lake in Malheur County, Oregon. Its water-quality measurements are published by Oregon DEQ and shown on this page as reported.
What is the water quality of Cow Lakes?
- Cow Lakes in Malheur County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Surface area: 998 acres.
Is Cow Lakes 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 Lakes come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.