Star Lake is a lake in King County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.

Are there campgrounds on Star Lake?

Star Lake has 1 public campground from USGS The National Map within 5 km, including Saltwater State Park Campground. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.

Star Lake

King County, Washington33 acresView map Directions

No nutrient or algae sampling on record from Washington Ecology for this lake.

Area

33 acres

Surface area

Shoreline

1.2 mi

Measured length

Impaired · Nuisance exotic species

See the measurements Directions Where to stay

Star Lake in King County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 33 acres.

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Star Lake is a 33-acre lake in King County, Washington.

Source: EPA Water Quality Portal sampling records, WA Ecology. Methodology: how these readings are compared.

What Star Lake is good for

From access and monitoring records, not editorial picks.

Camping1 public campground nearby

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Star Lake is listed impaired under Clean Water Act §303(d) (IR 4C) for nuisance exotic species. Check local advisories before you swim.

Whether Star 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.

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Water quality measurements for Star Lake

These are the measurements Washington Ecology publishes for Star 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 Star Lake

Answers come straight from the public measurements and survey records on this page.

Lake Details

Surface area

33 acres

Shoreline

1.2 mi

No bathymetric survey has been published for Star Lake, so its depth is not documented here.

Recreation & Access

Campgrounds

Public campgrounds near Star Lake

Saltwater State Park Campground3.1 km

Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes

Stays via Stay22

Stays near Star Lake

Compare lakeside cabins, hotels, and vacation rentals near Star Lake in King County, Washington — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Star Lake

Prices for Oct 16–18, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a whole trip? See where to stay at Washington’s top lakes →

Follow Star Lake’s readings

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Fishing Star Lake

→ Star Lake fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Star Lake is officially listed as impaired under Clean Water Act §303(d) in the 2018 EPA reporting cycle (IR category 4C).

Causes of impairment

Nuisance exotic species

Designated uses not supporting: Aquatic life.

Source: EPA ATTAINS assessment unit WA17110013000392_001_001 · Official waterbody report

Nearby Lakes in King County

Steel Lake2 miView →North Lake3.5 miView →Lake Geneva4.3 miView →Lake Killarney4.7 miView →Angle Lake20 ft clear5.1 miView →Fivemile Lake5.6 miView →

Frequently asked questions about Star Lake

Where is Star Lake?: Star Lake 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 Star Lake?: Star Lake in King County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 33 acres.
Is Star Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Star Lake is listed impaired under Clean Water Act §303(d) (IR 4C) for nuisance exotic species. Check local advisories before you swim.
Are there campgrounds on Star Lake?: Star Lake has 1 public campground from USGS The National Map within 5 km, including Saltwater State Park Campground. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.