Katy Lake
Sheridan County, Montana322 acresView mapDirections
No nutrient or algae sampling on record from Montana DEQ for this lake.
Katy Lake in Sheridan County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 322 acres.
Katy Lake is a 322-acre lake in Sheridan 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 Katy 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 Katy Lake
These are the measurements Montana DEQ publishes for Katy 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 Katy Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
322 acres
Shoreline
4.3 mi
No bathymetric survey has been published for Katy Lake, so its depth is not documented here.
Stays via Stay22
Stays near Katy Lake
Compare lakeside cabins, hotels, and vacation rentals near Katy Lake in Sheridan 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.
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Fishing Katy Lake
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Frequently asked questions about Katy Lake
Where is Katy Lake?
- Katy Lake is a lake in Sheridan County, Montana. Its water-quality measurements are published by Montana DEQ and shown on this page as reported.
What is the water quality of Katy Lake?
- Katy Lake in Sheridan County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 322 acres.
Is Katy Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
Measurements for Katy Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.