Where is Spring Lake?

Spring 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.

Spring Lake

Day County, South Dakota984 acresView map Directions

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

Area

984 acres

Surface area

Shoreline

7.2 mi

Measured length

Impaired · Algal growth

See the measurements Directions Where to stay

Spring Lake in Day County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Surface area: 984 acres.

Loading map…

Spring Lake is a 984-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. Spring Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, mercury. Check local advisories before you swim.

Whether Spring 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.

Compare swimming lakes near Alexandria →

Get alerts for Spring Lake →

Water quality measurements for Spring Lake

These are the measurements SD DANR publishes for Spring 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 Spring Lake

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

Lake Details

Surface area

984 acres

Shoreline

7.2 mi

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

Stays via Stay22

Stays near Spring Lake

Compare lakeside cabins, hotels, and vacation rentals near Spring 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.

Top-rated places to stay near Spring Lake

Prices for Oct 16–18, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a whole trip? See where to stay at South Dakota’s top lakes →

Follow Spring Lake’s readings

Email me when new measurements post for this lake. Updates stay free.

Or email

Fishing Spring Lake

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

EPA Impairment Status

Spring 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

Hillebrands Lake1 miView →Swan Pond1 miView →Phragmites Pond1.1 miView →Dahling Slough1.7 miView →Minnewasta Lake2.6 miView →Campbell Slough2.9 miView →

Frequently asked questions about Spring Lake

Where is Spring Lake?: Spring 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 Spring Lake?: Spring Lake in Day County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Surface area: 984 acres.
Is Spring Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Spring Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, mercury. Check local advisories before you swim.