Lake William
Otter Tail County, Minnesota64 acresView mapDirections
No nutrient or algae sampling on record from Minnesota PCA for this lake.
Lake William in Otter Tail County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 64 acres.
Lake William is a 64-acre lake in Otter Tail County, Minnesota.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder. 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 Lake William is safe to swim in today is a call for the Minnesota Pollution Control Agency and the Minnesota DNR and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lake William
These are the measurements Minnesota PCA publishes for Lake William, 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 William
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
64 acres
Shoreline
1.5 mi
No bathymetric survey has been published for Lake William, so its depth is not documented here.
Stays via Stay22
Stays near Lake William
Compare lakeside cabins, hotels, and vacation rentals near Lake William in Otter Tail County, Minnesota — 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 William
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 Minnesota’s top lakes →
Follow Lake William’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Lake William
Nearby Lakes in Otter Tail County
Frequently asked questions about Lake William
Where is Lake William?
- Lake William is a lake in Otter Tail County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Lake William?
- Lake William in Otter Tail County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 64 acres.
Is Lake William safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Lake William across LakeQuality
Fish species and the cleanest lakes across Minnesota
Fish species and best lakes in Otter Tail County
Species activity outlook by water temperature and season
Top lakes and where to stay in the Alexandria Lakes area
Top lakes and where to stay in the Detroit Lakes Area area
Top lakes and where to stay in the Otter Tail County area
Where to stay at Minnesota's top lakes, each with its readings
Lakes in the Red River of the North Watershed, ranked by water quality
Minnesota's cleanest lakes, ranked on agency measurements
More lakes in Minnesota
State Parks Near Lake William
Other Lakes in Minnesota
Where this data comes from
Measurements for Lake William come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Lake details from Minnesota DNR LakeFinder