Forest Lake
Forest County, Wisconsin93 acresView mapDirections
No nutrient or algae sampling on record from Wisconsin DNR for this lake.
- 9 ft max depth
Forest Lake in Forest County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 9 ft. Surface area: 93 acres.
Forest Lake is a 93-acre lake in Forest County, Wisconsin with a maximum depth of 9 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 Forest 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 Forest Lake
These are the measurements Wisconsin DNR publishes for Forest 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 Forest Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
9 ft
Surface area
93 acres
Shoreline
2.2 mi
Stays via Stay22
Stays near Forest Lake
Compare lakeside cabins, hotels, and vacation rentals near Forest Lake in Forest County, Wisconsin — 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 Forest 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 Wisconsin’s top lakes →
Follow Forest Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Forest Lake
Nearby Lakes in Forest County
Frequently asked questions about Forest Lake
Where is Forest Lake?
- Forest Lake is a lake in Forest County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Forest Lake?
- Forest Lake in Forest County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Maximum depth: 9 ft. Surface area: 93 acres.
Is Forest Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Forest Lake?
- Forest Lake has a maximum depth of 9 feet. The lake covers 93 acres.
Explore Forest Lake across LakeQuality
Fish species and the cleanest lakes across Wisconsin
Fish species and best lakes in Forest County
Species activity outlook by water temperature and season
Top lakes and where to stay in the Northwoods Wisconsin area
Where to stay at Wisconsin's top lakes, each with its readings
Lakes in the Wolf River Watershed, ranked by water quality
Wisconsin's cleanest lakes, ranked on agency measurements
More lakes in Wisconsin
Other Lakes in Wisconsin
Where this data comes from
Measurements for Forest Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.