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

How deep is Twin Lakes?

Twin Lakes has a maximum depth of 12.5 feet. The lake covers 140 acres.

Are there boat ramps on Twin Lakes?

Twin Lakes has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Twin Lakes Public Water Access. Public access is listed as yes.

Can I fish at Twin Lakes?

Twin Lakes has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by South Dakota's fish and wildlife agency, so check its current regulations before you go.

Twin Lakes

Jerauld County, South Dakota140 acresView map Directions

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

Max depth

12.5 ft

Bathymetric survey

Area

140 acres

Surface area

Shoreline

2.8 mi

Measured length

Impaired · Algal growth
13 ft max depth
Public access
Limited data

See the measurements Directions Where to stay

Twin Lakes in Jerauld County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Maximum depth: 12.5 ft. Surface area: 140 acres.

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Twin Lakes is a 140-acre lake in Jerauld County, South Dakota with a maximum depth of 13 feet. Limited fish-species data available. Public access is available with 1 public boat landing.

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

What Twin Lakes is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp

Swimming conditions

No reading

Recreation use not supported

Nutrient and algae readings are not a swimming clearance. Twin Lakes is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, oxygen depletion (low DO). 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

Max depth

12.5 ft

Surface area

140 acres

Shoreline

2.8 mi

Public access

Yes

Listed by SD DANR

Recreation & Access

Boat Landings

Yes

Public Access

Twin Lakes Public Water AccessPublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

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Stays near Twin Lakes

Compare lakeside cabins, hotels, and vacation rentals near Twin Lakes 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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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

Algal growthOxygen depletion (low DO)

Designated uses not supporting: Aquatic life, Recreation.

Source: EPA ATTAINS assessment unit SD-JA-L-TWIN_01 · Official waterbody report

Nearby Lakes in Jerauld County

Grass Lake0.7 miView →Bakers Lake16.3 miView →Deans Lake15.8 miView →Long Lake—View →Cottonwood Lake—View →

Frequently asked questions about Twin Lakes

Where is Twin Lakes?: Twin Lakes 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 Twin Lakes?: Twin Lakes in Jerauld County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Maximum depth: 12.5 ft. Surface area: 140 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 algal growth, oxygen depletion (low DO). Check local advisories before you swim.
How deep is Twin Lakes?: Twin Lakes has a maximum depth of 12.5 feet. The lake covers 140 acres.
Are there boat ramps on Twin Lakes?: Twin Lakes has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Twin Lakes Public Water Access. Public access is listed as yes.
Can I fish at Twin Lakes?: Twin Lakes has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by South Dakota's fish and wildlife agency, so check its current regulations before you go.