Foldager Slough
Day County, South Dakota172 acresView mapDirections
No nutrient or algae sampling on record from SD DANR for this lake.
Foldager Slough in Day County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Surface area: 172 acres.
Foldager Slough is a 172-acre lake in Day 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 Foldager Slough 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 Foldager Slough
These are the measurements SD DANR publishes for Foldager Slough, 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 Foldager Slough
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
172 acres
Shoreline
5 mi
No bathymetric survey has been published for Foldager Slough, so its depth is not documented here.
Stays via Stay22
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Frequently asked questions about Foldager Slough
Where is Foldager Slough?
- Foldager Slough is a lake in Day 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 Foldager Slough?
- Foldager Slough in Day County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Surface area: 172 acres.
Is Foldager Slough 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 Foldager Slough come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.