Lake Washington Ship Canal
King County, Washington283 acresView mapDirections
This is the name Washington Ecology records for this water. It can describe one sampling location rather than the water as a whole.
No nutrient or algae sampling on record from Washington Ecology for this lake.
- Impaired · Nuisance exotic species
- Public access
Lake Washington Ship Canal in King County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 283 acres.
Lake Washington Ship Canal is a 283-acre lake in King County, Washington. Limited fish-species data available. 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 Lake Washington Ship Canal is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
No readingBacteria advisory
Nutrient and algae readings are not a swimming clearance. Lake Washington Ship Canal is listed impaired under Clean Water Act §303(d) (IR 5) for nuisance exotic species, pathogens (E. coli, fecal), pesticides. Check local advisories before you swim.
Whether Lake Washington Ship Canal 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 Washington Ship Canal
These are the measurements Washington Ecology publishes for Lake Washington Ship Canal, 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 Washington Ship Canal
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
283 acres
Public access
Yes
Listed by Washington Ecology
No bathymetric survey has been published for Lake Washington Ship Canal, so its depth is not documented here.
Recreation & Access
- 14th AvenuePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Lake Washington Ship Canal
Compare lakeside cabins, hotels, and vacation rentals near Lake Washington Ship Canal 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 Lake Washington Ship Canal
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 Washington Ship Canal’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Lake Washington Ship Canal
EPA Impairment Status
Lake Washington Ship Canal 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, Recreation.
Source: EPA ATTAINS assessment unit WA17110012005963_001_001 · Official waterbody report
Nearby Lakes in King County
Frequently asked questions about Lake Washington Ship Canal
Where is Lake Washington Ship Canal?
- Lake Washington Ship Canal is in King County, Washington. This is the name Washington Ecology records for this water. It can describe one sampling location rather than the water as a whole. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.
What is the water quality of Lake Washington Ship Canal?
- Lake Washington Ship Canal in King County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Surface area: 283 acres.
Is Lake Washington Ship Canal safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake Washington Ship Canal is listed impaired under Clean Water Act §303(d) (IR 5) for nuisance exotic species, pathogens (E. coli, fecal), pesticides. Check local advisories before you swim.
Are there boat ramps on Lake Washington Ship Canal?
- Lake Washington Ship Canal has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include 14th Avenue. Public access is listed as yes.
Can I fish at Lake Washington Ship Canal?
- Lake Washington Ship Canal 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.
Explore Lake Washington Ship Canal across LakeQuality
More lakes in Washington
Other Lakes in Washington
Where this data comes from
Measurements for Lake Washington Ship Canal 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