Lake Sacajawea
Cowlitz County, Washington45 acresView mapDirections
No nutrient or algae sampling on record from Washington Ecology for this lake.
- Impaired · PCBs
Lake Sacajawea in Cowlitz County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 45 acres.
Lake Sacajawea is a 45-acre lake in Cowlitz 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. Lake Sacajawea is listed impaired under Clean Water Act §303(d) (IR 5) for pCBs. Check local advisories before you swim.
Whether Lake Sacajawea 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 Lake Sacajawea
These are the measurements Washington Ecology publishes for Lake Sacajawea, 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 Lake Sacajawea
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
45 acres
Shoreline
3.9 mi
No bathymetric survey has been published for Lake Sacajawea, so its depth is not documented here.
Stays via Stay22
Stays near Lake Sacajawea
Compare lakeside cabins, hotels, and vacation rentals near Lake Sacajawea in Cowlitz 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 Lake Sacajawea
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 Lake Sacajawea’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Lake Sacajawea
EPA Impairment Status
Lake Sacajawea 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, Fish consumption.
Source: EPA ATTAINS assessment unit WA17080003037449_001_001 · Official waterbody report
Nearby Lakes in Cowlitz County
Frequently asked questions about Lake Sacajawea
Where is Lake Sacajawea?
- Lake Sacajawea is a lake in Cowlitz County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.
What is the water quality of Lake Sacajawea?
- Lake Sacajawea in Cowlitz County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 45 acres.
Is Lake Sacajawea safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake Sacajawea is listed impaired under Clean Water Act §303(d) (IR 5) for pCBs. Check local advisories before you swim.
Explore Lake Sacajawea across LakeQuality
More lakes in Washington
Other Lakes in Washington
Where this data comes from
Measurements for Lake Sacajawea 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