But we should probably know which lakes are the most polluted so we can choose a clean body of water for us to enjoy with our family. READ MORE: The Most Beautiful Lakes in Texas You Need to VisitHow TCEQ Tracks Water Pollution Across TexasMost of us don’t research lake cleanliness, but one Texas agency does. The Texas Lakes With the Highest Pollution LevelsBefore you decide where you want to cool off in the water, let’s take a look at which lakes in Texas are known to be the most polluted. Some of the Most Polluted Lakes in Texas Here’s a list of some of the most polluted lakes in Texas, highlighting various environmental concerns: Gallery Credit: Billy JenkinsIf you’re ever questioning whether a lake or body of water is safe for you and your family to enter, you should always stay out. Have fun and be safe as you enjoy all the beautiful lakes that Texas has to offer.