Where is Hillebrands Lake?

Hillebrands Lake is a lake in Day County, South Dakota. Its water-quality measurements are published by SD DANR and shown on this page as reported.

Hillebrands Lake

Day County, South Dakota462 acresView map Directions

No nutrient or algae sampling on record from SD DANR for this lake.

Area

462 acres

Surface area

Shoreline

5.9 mi

Measured length

Impaired · Algal growth

See the measurements Directions Where to stay

Hillebrands Lake in Day County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Surface area: 462 acres.

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Hillebrands Lake is a 462-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 reading

Recreation use not supported

Nutrient and algae readings are not a swimming clearance. Hillebrands Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, mercury. Check local advisories before you swim.

Whether Hillebrands 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.

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Water quality measurements for Hillebrands Lake

These are the measurements SD DANR publishes for Hillebrands 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.

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Answers come straight from the public measurements and survey records on this page.

Lake Details

Surface area

462 acres

Shoreline

5.9 mi

No bathymetric survey has been published for Hillebrands Lake, so its depth is not documented here.

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Stays near Hillebrands Lake

Compare lakeside cabins, hotels, and vacation rentals near Hillebrands Lake in Day 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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Fishing Hillebrands Lake

→ Hillebrands Lake fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Hillebrands Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

Algal growthMercury

Designated uses not supporting: Aquatic life, Recreation.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit SD-BS-L-WAUBAY_01 · Official waterbody report

Nearby Lakes in Day County

Spring Lake1 miView →Phragmites Pond1 miView →Swan Pond1.4 miView →Dahling Slough2.2 miView →Minnewasta Lake3.2 miView →Campbell Slough3.3 miView →

Frequently asked questions about Hillebrands Lake

Where is Hillebrands Lake?: Hillebrands Lake 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 Hillebrands Lake?: Hillebrands Lake in Day County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Surface area: 462 acres.
Is Hillebrands Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Hillebrands Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, mercury. Check local advisories before you swim.