Where is Eureka Lake?

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

Are there boat ramps on Eureka Lake?

Eureka Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Eureka West Public Water Access, Eureka East Public Water Access. Public access is listed as yes.

Can I fish at Eureka Lake?

Eureka Lake has 2 documented boat landings 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.

Eureka Lake

McPherson County, South Dakota189 acresView map Directions

SD DANR publishes the water-quality measurements for Eureka Lake. Here is what has been measured.

Chlorophyll-a

16.3 µg/L

Typical for South Dakota

Measured by SD DANR

Area

189 acres

Surface area

Shoreline

4.5 mi

Measured length

Public access
Limited data

See the measurements Directions Where to stay

Eureka Lake in McPherson County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Chlorophyll-a (algae): 16.3 µg/L. Surface area: 189 acres.

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Eureka Lake is a 189-acre lake in McPherson County, South Dakota. Limited fish-species data available. Public access is available with 2 public boat landings.

Source: EPA Water Quality Portal sampling records, SD DANR, last sampled 2017-08-02. Methodology: how these readings are compared.

What Eureka Lake is good for

From access and monitoring records, not editorial picks.

Boat launch2 documented ramps

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Eureka 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 Eureka Lake

These are the measurements SD DANR publishes for Eureka 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. Chlorophyll-a 16.3 µg/L.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)		No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus		No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	16.3µg/L	Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water.

Ask about Eureka Lake

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

Lake Details

Surface area

189 acres

Shoreline

4.5 mi

Public access

Yes

Listed by SD DANR

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

Recreation & Access

Boat Landings

Yes

Public Access

Eureka West Public Water AccessPublic
Eureka East 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 Eureka Lake

Compare lakeside cabins, hotels, and vacation rentals near Eureka Lake in McPherson 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 Eureka Lake

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Fishing Eureka Lake

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

Nearby Lakes in McPherson County

Hausauer Lake5.7 miView →Feinstein Lake6.5 miView →Heupel Lake7.7 miView →Schumacher Lake—View →Long Lake—View →Klooz Lake—View →

Frequently asked questions about Eureka Lake

Where is Eureka Lake?: Eureka Lake is a lake in McPherson 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 Eureka Lake?: Eureka Lake in McPherson County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Chlorophyll-a (algae): 16.3 µg/L. Surface area: 189 acres.
Is Eureka Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Eureka Lake?: Eureka Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Eureka West Public Water Access, Eureka East Public Water Access. Public access is listed as yes.
Can I fish at Eureka Lake?: Eureka Lake has 2 documented boat landings 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.