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

Twin Lakes

Kingsbury County, South Dakota304 acresView map Directions

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

Area

304 acres

Surface area

Shoreline

3.3 mi

Measured length

Impaired · Mercury
Limited data

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Twin Lakes in Kingsbury County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Surface area: 304 acres.

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Twin Lakes is a 304-acre lake in Kingsbury County, South Dakota.

Source: EPA Water Quality Portal sampling records, SD DANR. Methodology: how these readings are compared.

Swimming conditions

No reading

Bacteria advisory

Nutrient and algae readings are not a swimming clearance. Twin Lakes is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pathogens (E. coli, fecal). Check local advisories before you swim.

Whether Twin Lakes 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 Twin Lakes

These are the measurements SD DANR publishes for Twin Lakes, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

No clarity data.

Ask about Twin Lakes

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

Lake Details

Surface area

304 acres

Shoreline

3.3 mi

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

Stays via Stay22

Stays near Twin Lakes

Compare lakeside cabins, hotels, and vacation rentals near Twin Lakes in Kingsbury 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.

Top-rated places to stay near Twin Lakes

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Follow Twin Lakes’s readings

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Fishing Twin Lakes

→ Twin Lakes fishing regulations (limits, seasons, special rules)

EPA Impairment Status

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

Causes of impairment

MercuryPathogens (E. coli, fecal)

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-TWIN_01 · Official waterbody report

Nearby Lakes in Kingsbury County

Spring Lake5.7 miView →Lake Badger—View →Lake Thisted—View →Plum Lake—View →Mud Lake—View →Spirit Lake—View →

Frequently asked questions about Twin Lakes

Where is Twin Lakes?: Twin Lakes is a lake in Kingsbury 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 Twin Lakes?: Twin Lakes in Kingsbury County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Surface area: 304 acres.
Is Twin Lakes safe to swim in?: Nutrient and algae readings are not a swimming clearance. Twin Lakes is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pathogens (E. coli, fecal). Check local advisories before you swim.