Where is Big Johnson Lake?

Big Johnson Lake is a lake in Calhoun County, Arkansas. Its water-quality measurements are published by Arkansas DEQ and shown on this page as reported.

Big Johnson Lake

Calhoun County, Arkansas39 acresView map Directions

No nutrient or algae sampling on record from Arkansas DEQ for this lake.

Area

39 acres

Surface area

Shoreline

2.9 mi

Measured length

Impaired · Mercury

See the measurements Directions Where to stay

Big Johnson Lake in Calhoun County, Arkansas has water-quality measurements published by Arkansas DEQ, shown here as reported. Surface area: 39 acres.

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Big Johnson Lake is a 39-acre lake in Calhoun County, Arkansas.

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

Swimming conditions

No reading

Not rated

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

Whether Big Johnson Lake is safe to swim in today is a call for the Arkansas Division of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Big Johnson Lake

These are the measurements Arkansas DEQ publishes for Big Johnson 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 Big Johnson Lake

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

Lake Details

Surface area

39 acres

Shoreline

2.9 mi

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

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Stays near Big Johnson Lake

Compare lakeside cabins, hotels, and vacation rentals near Big Johnson Lake in Calhoun County, Arkansas — 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 Big Johnson Lake

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Fishing Big Johnson Lake

→ Big Johnson Lake fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Big Johnson Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).

Causes of impairment

Mercury

Designated uses not supporting: Fish consumption.

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

Source: EPA ATTAINS assessment unit AR_08040201_4040 · Official waterbody report

Nearby Lakes in Calhoun County

Big Horseshoe Brake10.1 miView →Black Lake Slough10.4 miView →Hollingsworth Brake11.8 miView →Viney Brake12.1 miView →Tupelo Gum Brake—View →Covington Pond—View →

Frequently asked questions about Big Johnson Lake

Where is Big Johnson Lake?: Big Johnson Lake is a lake in Calhoun County, Arkansas. Its water-quality measurements are published by Arkansas DEQ and shown on this page as reported.
What is the water quality of Big Johnson Lake?: Big Johnson Lake in Calhoun County, Arkansas has water-quality measurements published by Arkansas DEQ, shown here as reported. Surface area: 39 acres.
Is Big Johnson Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Big Johnson Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.