South Twin Lake
Ferry County, Washington965 acresView mapDirections
No nutrient or algae sampling on record from Washington Ecology for this lake.
South Twin Lake in Ferry County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 965 acres.
South Twin Lake is a 965-acre lake in Ferry County, Washington. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, WA Ecology. Methodology: how these readings are compared.
What South Twin Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether South Twin 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 South Twin Lake
These are the measurements Washington Ecology publishes for South Twin 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 South Twin Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
965 acres
Shoreline
6.1 mi
No bathymetric survey has been published for South Twin Lake, so its depth is not documented here.
Recreation & Access
- Hartman's Log Cabin 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 South Twin Lake
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Top-rated places to stay near South Twin Lake
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Fishing South Twin Lake
Nearby Lakes in Ferry County
Frequently asked questions about South Twin Lake
Where is South Twin Lake?
- South Twin Lake is a lake in Ferry County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.
What is the water quality of South Twin Lake?
- South Twin Lake in Ferry County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 965 acres.
Is South Twin Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on South Twin Lake?
- South Twin Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Hartman's Log Cabin Resort.
Can I fish at South Twin Lake?
- South Twin Lake has 1 documented boat landing 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 South Twin Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory