McNary Lake
Columbia County, Oregon214 acresView mapDirections
No nutrient or algae sampling on record from Oregon DEQ for this lake.
McNary Lake in Columbia County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Surface area: 214 acres.
McNary Lake is a 214-acre lake in Columbia 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 McNary 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 McNary Lake
These are the measurements Oregon DEQ publishes for McNary 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 McNary Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
214 acres
Shoreline
5.7 mi
No bathymetric survey has been published for McNary Lake, so its depth is not documented here.
Stays via Stay22
Stays near McNary Lake
Compare lakeside cabins, hotels, and vacation rentals near McNary Lake in Columbia 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 McNary Lake
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Frequently asked questions about McNary Lake
Where is McNary Lake?
- McNary Lake is a lake in Columbia County, Oregon. Its water-quality measurements are published by Oregon DEQ and shown on this page as reported.
What is the water quality of McNary Lake?
- McNary Lake in Columbia County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Surface area: 214 acres.
Is McNary 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 McNary Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.