Garrison Lake
Harney County, Oregon528 acresView mapDirections
No nutrient or algae sampling on record from Oregon DEQ for this lake.
Garrison Lake in Harney County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Surface area: 528 acres.
Garrison Lake is a 528-acre lake in Harney 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 Garrison 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 Garrison Lake
These are the measurements Oregon DEQ publishes for Garrison 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 Garrison Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
528 acres
No bathymetric survey has been published for Garrison Lake, so its depth is not documented here.
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Fishing Garrison Lake
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Frequently asked questions about Garrison Lake
Where is Garrison Lake?
- Garrison Lake is a lake in Harney County, Oregon. Its water-quality measurements are published by Oregon DEQ and shown on this page as reported.
What is the water quality of Garrison Lake?
- Garrison Lake in Harney County, Oregon has water-quality measurements published by Oregon DEQ, shown here as reported. Surface area: 528 acres.
Is Garrison 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 Garrison Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.