Triangle Reservoir
Owyhee County, Idaho73 acresView mapDirections
No nutrient or algae sampling on record from Idaho DEQ for this lake.
Triangle Reservoir in Owyhee County, Idaho has water-quality measurements published by Idaho DEQ, shown here as reported. Surface area: 73 acres.
Triangle Reservoir is a 73-acre lake in Owyhee County, Idaho.
Source: EPA Water Quality Portal sampling records, IDEQ. 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 Triangle Reservoir is safe to swim in today is a call for the Idaho Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Triangle Reservoir
These are the measurements Idaho DEQ publishes for Triangle Reservoir, 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.
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Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
73 acres
Shoreline
2.4 mi
No bathymetric survey has been published for Triangle Reservoir, so its depth is not documented here.
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Stays near Triangle Reservoir
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Frequently asked questions about Triangle Reservoir
Where is Triangle Reservoir?
- Triangle Reservoir is a lake in Owyhee County, Idaho. Its water-quality measurements are published by Idaho DEQ and shown on this page as reported.
What is the water quality of Triangle Reservoir?
- Triangle Reservoir in Owyhee County, Idaho has water-quality measurements published by Idaho DEQ, shown here as reported. Surface area: 73 acres.
Is Triangle Reservoir 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 Triangle Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.