Deans Lake
Jerauld County, South Dakota26 acresView mapDirections
No nutrient or algae sampling on record from SD DANR for this lake.
Deans Lake in Jerauld County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Surface area: 26 acres.
Deans Lake is a 26-acre lake in Jerauld County, South Dakota.
Source: EPA Water Quality Portal sampling records, SD DANR. 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 Deans Lake is safe to swim in today is a call for the South Dakota Department of Agriculture and Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Deans Lake
These are the measurements SD DANR publishes for Deans 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 Deans Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
26 acres
Shoreline
1.1 mi
No bathymetric survey has been published for Deans Lake, so its depth is not documented here.
Stays via Stay22
Stays near Deans Lake
Compare lakeside cabins, hotels, and vacation rentals near Deans Lake in Jerauld County, South Dakota — 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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Frequently asked questions about Deans Lake
Where is Deans Lake?
- Deans Lake is a lake in Jerauld County, South Dakota. Its water-quality measurements are published by SD DANR and shown on this page as reported.
What is the water quality of Deans Lake?
- Deans Lake in Jerauld County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Surface area: 26 acres.
Is Deans 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 Deans Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.