Lake Cochran
Snohomish County, Washington33 acresView mapDirections
No nutrient or algae sampling on record from Washington Ecology for this lake.
- 54 ft max depth
Lake Cochran in Snohomish County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Maximum depth: 54.1 ft. Surface area: 33 acres.
Lake Cochran is a 33-acre lake in Snohomish County, Washington with a maximum depth of 54 feet (26-foot average).
Source: EPA Water Quality Portal sampling records, WA Ecology. Methodology: how these readings are compared.
What Lake Cochran is good for
From access and monitoring records, not editorial picks.
- Deep water54.1 ft surveyed max depth
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lake Cochran 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 Cochran
These are the measurements Washington Ecology publishes for Lake Cochran, 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 Cochran
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
54.1 ft
Average depth
25.9 ft
Surface area
33 acres
Shoreline
0.9 mi
Stays via Stay22
Stays near Lake Cochran
Compare lakeside cabins, hotels, and vacation rentals near Lake Cochran 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 Lake Cochran
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 Cochran’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Lake Cochran
Nearby Lakes in Snohomish County
Frequently asked questions about Lake Cochran
Where is Lake Cochran?
- Lake Cochran 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 Lake Cochran?
- Lake Cochran in Snohomish County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Maximum depth: 54.1 ft. Surface area: 33 acres.
Is Lake Cochran safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Lake Cochran?
- Lake Cochran has a maximum depth of 54.1 feet and an average depth of 25.9 feet. The lake covers 33 acres.
Explore Lake Cochran across LakeQuality
More lakes in Washington
Other Lakes in Washington
Where this data comes from
Measurements for Lake Cochran come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.