Cataract Lake
Madison County, Montana35 acresView mapDirections
No nutrient or algae sampling on record from Montana DEQ for this lake.
Cataract Lake in Madison County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 35 acres.
Cataract Lake is a 35-acre lake in Madison County, Montana.
Source: EPA Water Quality Portal sampling records, Montana DEQ. 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 Cataract Lake is safe to swim in today is a call for the Montana Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Cataract Lake
These are the measurements Montana DEQ publishes for Cataract 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 Cataract Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
35 acres
Shoreline
1 mi
No bathymetric survey has been published for Cataract Lake, so its depth is not documented here.
Stays via Stay22
Stays near Cataract Lake
Compare lakeside cabins, hotels, and vacation rentals near Cataract Lake in Madison County, Montana — 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 Cataract 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 Montana’s top lakes →
Follow Cataract Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Cataract Lake
Nearby Lakes in Madison County
Frequently asked questions about Cataract Lake
Where is Cataract Lake?
- Cataract Lake is a lake in Madison County, Montana. Its water-quality measurements are published by Montana DEQ and shown on this page as reported.
What is the water quality of Cataract Lake?
- Cataract Lake in Madison County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 35 acres.
Is Cataract Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Cataract Lake across LakeQuality
More lakes in Montana
Other Lakes in Montana
Where this data comes from
Measurements for Cataract Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.