Tew Lake is a lake in Catahoula County, Louisiana. Its water-quality measurements are published by LDEQ and shown on this page as reported.

Tew Lake

Catahoula County, Louisiana239 acresView map Directions

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

Area

239 acres

Surface area

Impaired · Mercury

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Tew Lake in Catahoula County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Surface area: 239 acres.

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Tew Lake is a 239-acre lake in Catahoula County, Louisiana.

Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Tew Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.

Whether Tew Lake is safe to swim in today is a call for the Louisiana Department 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 Tew Lake

These are the measurements LDEQ publishes for Tew 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 Tew Lake

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

Lake Details

Surface area

239 acres

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

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Stays near Tew Lake

Compare lakeside cabins, hotels, and vacation rentals near Tew Lake in Catahoula County, Louisiana — 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 Tew Lake

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Fishing Tew Lake

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

EPA Impairment Status

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

Causes of impairment

Mercury

Designated uses not supporting: Aquatic life.

Source: EPA ATTAINS assessment unit LA081301_00556223 · Official waterbody report

Nearby Lakes in Catahoula County

Wallace Lake2 miView →Mean Lake2.4 miView →Sandy Lake4.4 miView →Sargent Lake6.4 miView →Bens Lake5.8 miView →Swazee Lake6.8 miView →

Frequently asked questions about Tew Lake

Where is Tew Lake?: Tew Lake is a lake in Catahoula County, Louisiana. Its water-quality measurements are published by LDEQ and shown on this page as reported.
What is the water quality of Tew Lake?: Tew Lake in Catahoula County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Surface area: 239 acres.
Is Tew Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Tew Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.