Where is Lake Carthage?

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

Lake Carthage

Miner County, South Dakota199 acresView map Directions

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

Area

199 acres

Surface area

Shoreline

6.1 mi

Measured length

Impaired · Algal growth
Limited data

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Lake Carthage in Miner County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Surface area: 199 acres.

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Lake Carthage is a 199-acre lake in Miner 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. Lake Carthage is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth. Check local advisories before you swim.

Whether Lake Carthage 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 Lake Carthage

These are the measurements SD DANR publishes for Lake Carthage, 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 Lake Carthage

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

Lake Details

Surface area

199 acres

Shoreline

6.1 mi

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

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Stays near Lake Carthage

Compare lakeside cabins, hotels, and vacation rentals near Lake Carthage in Miner 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 Lake Carthage

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Fishing Lake Carthage

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

EPA Impairment Status

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

Causes of impairment

Algal growth

Designated uses not supporting: Aquatic life, Recreation.

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

Source: EPA ATTAINS assessment unit SD-JA-L-CARTHAGE_01 · Official waterbody report

Nearby Lakes in Miner County

Twin Lakes13.8 miView →Twin Lakes14.5 miView →O'Neal Lake16.4 miView →Bitter Lake—View →Morris Lake—View →McCart Slough15 miView →

Frequently asked questions about Lake Carthage

Where is Lake Carthage?: Lake Carthage is a lake in Miner 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 Lake Carthage?: Lake Carthage in Miner County, South Dakota has water-quality measurements published by SD DANR, shown here as reported. Surface area: 199 acres.
Is Lake Carthage safe to swim in?: Nutrient and algae readings are not a swimming clearance. Lake Carthage is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth. Check local advisories before you swim.