Big Tank
McMullen County, Texas37 acresView mapDirections
No nutrient or algae sampling on record from TCEQ for this lake.
Big Tank in McMullen County, Texas has water-quality measurements published by TCEQ, shown here as reported. Surface area: 37 acres.
Big Tank is a 37-acre lake in McMullen County, Texas.
Source: EPA Water Quality Portal sampling records, TCEQ. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Big Tank is safe to swim in today is a call for the Texas Commission on Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Big Tank
These are the measurements TCEQ publishes for Big Tank, 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 Tank
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
37 acres
Shoreline
1.9 mi
No bathymetric survey has been published for Big Tank, so its depth is not documented here.
Stays via Stay22
Stays near Big Tank
Compare lakeside cabins, hotels, and vacation rentals near Big Tank in McMullen County, Texas — 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.
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Fishing Big Tank
Nearby Lakes in McMullen County
Frequently asked questions about Big Tank
Where is Big Tank?
- Big Tank is a lake in McMullen County, Texas. Its water-quality measurements are published by TCEQ and shown on this page as reported.
What is the water quality of Big Tank?
- Big Tank in McMullen County, Texas has water-quality measurements published by TCEQ, shown here as reported. Surface area: 37 acres.
Is Big Tank safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
Measurements for Big Tank come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.