Where is Hanson Lake?

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

Are there boat ramps on Hanson Lake?

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

Can I fish at Hanson Lake?

Hanson Lake 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.

Hanson Lake

Hanson County, South Dakota60 acresView map Directions

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

Area

60 acres

Surface area

Shoreline

2.2 mi

Measured length

Impaired · Mercury
Public access
Limited data

See the measurements Directions Where to stay

Hanson Lake in Hanson County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Surface area: 60 acres.

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Hanson Lake is a 60-acre lake in Hanson County, South Dakota. 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 Hanson Lake is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Hanson Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.

Whether Hanson 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 Hanson Lake

These are the measurements SD DANR publishes for Hanson 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.

Ask about Hanson Lake

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

Lake Details

Surface area

60 acres

Shoreline

2.2 mi

Public access

Yes

Listed by SD DANR

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

Recreation & Access

Boat Landings

Yes

Public Access

Hanson 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 Hanson Lake

Compare lakeside cabins, hotels, and vacation rentals near Hanson Lake in Hanson 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 Hanson Lake

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Fishing Hanson Lake

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

EPA Impairment Status

Hanson Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

Mercury

Designated uses not supporting: Aquatic life.

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

Source: EPA ATTAINS assessment unit SD-JA-L-HANSON_01 · Official waterbody report

Nearby Lakes in Hanson County

Fulton Lake5.9 miView →Welker Lake6.4 miView →Ethan Lake9.2 miView →Lake Eli12 miView →Lutz Lake15.2 miView →Spring Lake—View →

Frequently asked questions about Hanson Lake

Where is Hanson Lake?: Hanson Lake is a lake in Hanson 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 Hanson Lake?: Hanson Lake in Hanson County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Surface area: 60 acres.
Is Hanson Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Hanson Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
Are there boat ramps on Hanson Lake?: Hanson Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Hanson Public Water Access. Public access is listed as yes.
Can I fish at Hanson Lake?: Hanson Lake 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.