Nine Mile Reservoir
Spokane County, Washington289 acresView mapDirections
No nutrient or algae sampling on record from Washington Ecology for this lake.
Nine Mile Reservoir in Spokane County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 289 acres.
Nine Mile Reservoir is a 289-acre lake in Spokane County, Washington.
Source: EPA Water Quality Portal sampling records, WA Ecology. 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 Nine Mile Reservoir is safe to swim in today is a call for the Washington State Department of Ecology and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Nine Mile Reservoir
These are the measurements Washington Ecology publishes for Nine Mile 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
289 acres
Shoreline
9.4 mi
No bathymetric survey has been published for Nine Mile Reservoir, so its depth is not documented here.
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Stays near Nine Mile Reservoir
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Frequently asked questions about Nine Mile Reservoir
Where is Nine Mile Reservoir?
- Nine Mile Reservoir is a lake in Spokane County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.
What is the water quality of Nine Mile Reservoir?
- Nine Mile Reservoir in Spokane County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 289 acres.
Is Nine Mile 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 Nine Mile Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.