Tolt River Regulating Basin
King County, Washington34 acresView mapDirections
No nutrient or algae sampling on record from Washington Ecology for this lake.
Tolt River Regulating Basin in King County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 34 acres.
Tolt River Regulating Basin is a 34-acre lake in King 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 Tolt River Regulating Basin 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 Tolt River Regulating Basin
These are the measurements Washington Ecology publishes for Tolt River Regulating Basin, 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
34 acres
Shoreline
1.2 mi
No bathymetric survey has been published for Tolt River Regulating Basin, so its depth is not documented here.
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Frequently asked questions about Tolt River Regulating Basin
Where is Tolt River Regulating Basin?
- Tolt River Regulating Basin is a lake in King County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.
What is the water quality of Tolt River Regulating Basin?
- Tolt River Regulating Basin in King County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 34 acres.
Is Tolt River Regulating Basin 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 Tolt River Regulating Basin come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.