Green Isle Lake
Jefferson County, Wisconsin28 acresView mapDirections
No nutrient or algae sampling on record from Wisconsin DNR for this lake.
- 15 ft max depth
Green Isle Lake in Jefferson County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 15 ft. Surface area: 28 acres.
Green Isle Lake is a 28-acre lake in Jefferson County, Wisconsin with a maximum depth of 15 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 Green Isle 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 Green Isle Lake
These are the measurements Wisconsin DNR publishes for Green Isle 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 Green Isle Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
15 ft
Surface area
28 acres
Shoreline
1 mi
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Stays near Green Isle Lake
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Fishing Green Isle Lake
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Frequently asked questions about Green Isle Lake
Where is Green Isle Lake?
- Green Isle Lake is a lake in Jefferson County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Green Isle Lake?
- Green Isle Lake in Jefferson County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 15 ft. Surface area: 28 acres.
Is Green Isle Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Green Isle Lake?
- Green Isle Lake has a maximum depth of 15 feet. The lake covers 28 acres.
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Where this data comes from
Measurements for Green Isle Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.