Needle Boy Lake
St. Louis County, Minnesota100 acresView mapDirections
No nutrient or algae sampling on record from Minnesota PCA for this lake.
Needle Boy Lake in St. Louis County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 100 acres.
Needle Boy Lake is a 100-acre lake in St. Louis 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 Needle Boy Lake 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 Needle Boy Lake
These are the measurements Minnesota PCA publishes for Needle Boy 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 Needle Boy Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
100 acres
Shoreline
2.7 mi
No bathymetric survey has been published for Needle Boy Lake, so its depth is not documented here.
Stays via Stay22
Stays near Needle Boy Lake
Compare lakeside cabins, hotels, and vacation rentals near Needle Boy Lake in St. Louis 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 Needle Boy 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 Minnesota’s top lakes →
Follow Needle Boy Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Needle Boy Lake
Nearby Lakes in St. Louis County
Frequently asked questions about Needle Boy Lake
Where is Needle Boy Lake?
- Needle Boy Lake is a lake in St. Louis County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Needle Boy Lake?
- Needle Boy Lake in St. Louis County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 100 acres.
Is Needle Boy Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Needle Boy Lake across LakeQuality
Fish species and the cleanest lakes across Minnesota
Fish species and best lakes in St. Louis County
Species activity outlook by water temperature and season
Top lakes and where to stay in the Lake Vermilion Area area
Where to stay at Minnesota's top lakes, each with its readings
Lakes in the Lake Superior Basin (MN+WI), ranked by water quality
Lakes in the Rainy Lake Watershed, ranked by water quality
Minnesota's cleanest lakes, ranked on agency measurements
More lakes in Minnesota
State Parks Near Needle Boy Lake
Other Lakes in Minnesota
Where this data comes from
Measurements for Needle Boy Lake 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