Grassy Lake
Washburn County, Wisconsin39 acresView mapDirections
No nutrient or algae sampling on record from Wisconsin DNR for this lake.
- 10 ft max depth
Grassy Lake in Washburn County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 10 ft. Surface area: 39 acres.
Grassy Lake is a 39-acre lake in Washburn County, Wisconsin with a maximum depth of 10 feet.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Grassy Lake is safe to swim in today is a call for the Wisconsin Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Grassy Lake
These are the measurements Wisconsin DNR publishes for Grassy 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 Grassy Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
10 ft
Surface area
39 acres
Shoreline
1.5 mi
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Stays near Grassy Lake
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Fishing Grassy Lake
Nearby Lakes in Washburn County
Frequently asked questions about Grassy Lake
Where is Grassy Lake?
- Grassy Lake is a lake in Washburn County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Grassy Lake?
- Grassy Lake in Washburn County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 10 ft. Surface area: 39 acres.
Is Grassy Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Grassy Lake?
- Grassy Lake has a maximum depth of 10 feet. The lake covers 39 acres.
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Where this data comes from
Measurements for Grassy Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.