Loon Lake
Stevens County, Washington1,093 acresView mapDirections
No nutrient or algae sampling on record from Washington Ecology for this lake.
- Impaired · Dioxins
- 100 ft max depth
- Public access
Loon Lake in Stevens County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Maximum depth: 100 ft. Surface area: 1093 acres.
Loon Lake is a 1,093-acre lake in Stevens County, Washington with a maximum depth of 100 feet. Limited fish-species data available. Public access is available with 2 public boat landings.
Source: EPA Water Quality Portal sampling records, WA Ecology. Methodology: how these readings are compared.
What Loon Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch2 documented ramps
- Deep water100 ft surveyed max depth
- Big water1,093 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Loon Lake is listed impaired under Clean Water Act §303(d) (IR 5) for dioxins, mercury, nuisance exotic species, pesticides, pCBs. Check local advisories before you swim.
Whether Loon Lake 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 Loon Lake
These are the measurements Washington Ecology publishes for Loon 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 Loon Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
100 ft
Surface area
1,093 acres
Shoreline
8.6 mi
Public access
Yes
Listed by Washington Ecology
Recreation & Access
- Granite Point ParkPublic
- Shore Acres ResortSemi-private
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
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Stays near Loon Lake
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Fishing Loon Lake
EPA Impairment Status
Loon Lake is officially listed as impaired under Clean Water Act §303(d) in the 2018 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Drinking water, Aquatic life, Fish consumption.
Source: EPA ATTAINS assessment unit WA17020003001088_001_001 · Official waterbody report
Nearby Lakes in Stevens County
Frequently asked questions about Loon Lake
Where is Loon Lake?
- Loon Lake is a lake in Stevens County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.
What is the water quality of Loon Lake?
- Loon Lake in Stevens County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Maximum depth: 100 ft. Surface area: 1093 acres.
Is Loon Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Loon Lake is listed impaired under Clean Water Act §303(d) (IR 5) for dioxins, mercury, nuisance exotic species, pesticides, pCBs. Check local advisories before you swim.
How deep is Loon Lake?
- Loon Lake has a maximum depth of 100 feet. The lake covers 1093 acres.
Are there boat ramps on Loon Lake?
- Loon Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Granite Point Park, Shore Acres Resort. Public access is listed as yes.
Can I fish at Loon Lake?
- Loon Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Washington's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
Measurements for Loon Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Named boat-access points from the USGS National Boat Ramps inventory