Sunday Lake
Snohomish County, Washington38 acresView mapDirections
No nutrient or algae sampling on record from Washington Ecology for this lake.
- Impaired · Nutrients (phosphorus, nitrogen)
- 20 ft max depth
- Public access
Sunday Lake in Snohomish County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Maximum depth: 20 ft. Surface area: 38 acres.
Sunday Lake is a 38-acre lake in Snohomish County, Washington with a maximum depth of 20 feet. 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 Sunday 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. Sunday Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Sunday 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 Sunday Lake
These are the measurements Washington Ecology publishes for Sunday 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 Sunday Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
20 ft
Surface area
38 acres
Shoreline
1.1 mi
Public access
Yes
Listed by Washington Ecology
Recreation & Access
- Sunday LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Sunday Lake
Compare lakeside cabins, hotels, and vacation rentals near Sunday Lake in Snohomish 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 Sunday 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 Sunday Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Sunday Lake
EPA Impairment Status
Sunday 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: Aquatic life.
Source: EPA ATTAINS assessment unit WA17110008000658_001_001 · Official waterbody report
Nearby Lakes in Snohomish County
Frequently asked questions about Sunday Lake
Where is Sunday Lake?
- Sunday Lake is a lake in Snohomish County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.
What is the water quality of Sunday Lake?
- Sunday Lake in Snohomish County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Maximum depth: 20 ft. Surface area: 38 acres.
Is Sunday Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Sunday Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Sunday Lake?
- Sunday Lake has a maximum depth of 20 feet. The lake covers 38 acres.
Are there boat ramps on Sunday Lake?
- Sunday Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Sunday Lake. Public access is listed as yes.
Can I fish at Sunday Lake?
- Sunday 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.
Explore Sunday Lake across LakeQuality
More lakes in Washington
Other Lakes in Washington
Where this data comes from
Measurements for Sunday 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