San Martin Lake
Cameron County, Texas735 acresView mapDirections
No nutrient or algae sampling on record from TCEQ for this lake.
San Martin Lake in Cameron County, Texas has water-quality measurements published by TCEQ, shown here as reported. Surface area: 735 acres.
San Martin Lake is a 735-acre lake in Cameron 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 San Martin Lake 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 San Martin Lake
These are the measurements TCEQ publishes for San Martin 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 San Martin Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
735 acres
Shoreline
9.1 mi
No bathymetric survey has been published for San Martin Lake, so its depth is not documented here.
Stays via Stay22
Stays near San Martin Lake
Compare lakeside cabins, hotels, and vacation rentals near San Martin Lake in Cameron 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 San Martin Lake
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Frequently asked questions about San Martin Lake
Where is San Martin Lake?
- San Martin Lake is a lake in Cameron County, Texas. Its water-quality measurements are published by TCEQ and shown on this page as reported.
What is the water quality of San Martin Lake?
- San Martin Lake in Cameron County, Texas has water-quality measurements published by TCEQ, shown here as reported. Surface area: 735 acres.
Is San Martin Lake 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 San Martin Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.