Threemile Lake
Douglas County, Oregon69 acresView mapDirections
No nutrient or algae sampling on record from Oregon DEQ for this lake.
Threemile Lake in Douglas County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Surface area: 69 acres.
Threemile Lake is a 69-acre lake in Douglas 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 Threemile Lake 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 Threemile Lake
These are the measurements Oregon DEQ publishes for Threemile 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 Threemile Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
69 acres
No bathymetric survey has been published for Threemile Lake, so its depth is not documented here.
Stays via Stay22
Stays near Threemile Lake
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Frequently asked questions about Threemile Lake
Where is Threemile Lake?
- Threemile Lake is a lake in Douglas County, Oregon. Its water-quality measurements are published by Oregon DEQ and shown on this page as reported.
What is the water quality of Threemile Lake?
- Threemile Lake in Douglas County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Surface area: 69 acres.
Is Threemile 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 Threemile Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.