IN MY YEARS IN TEXAS THE ONE ABIDING TRUTH NEVER FAILS TRUISM OF NATURE ....IF THERE IS A LOW SPOT IT WILL EVENTUALLY FILL WITH AN ENORMOUS AMOUNT OF WATER. I NEVER GAMBLE BUT I'D BUILD A RETIREMENT PLAN BASED ON A BET THAT PEOPLE BUILDING IN LOW SPOTS WILL FLOOD EVENTUALLY IN TEXAS. I LIVE AT ABOUT 1300 FT ON A HILL IN CENTRAL TEXAS WHERE THE EASIEST PLANTS TO GROW ARE DESERT ADAPTED PLANTS AND TWICE IN 18 YEARS I HAVE SEEN 6 INCHES OF WATER FLOW ON EACH SIDE OF MY HOME AND SPOTS THAT ARE BONE DRY GET 50 FT DEEP IN WATER BECAUSE OF THE SHEER VOLUME OF WATER THAT CAN GET DUMPED ON TEXAS. MY BROTHER ONCE TOLD ME A TEXAS STORM IS JUST TEXAS TELLING FOLKS FOLKS WHERE THEY DECIDED TO LIVE. A LOW SPOT IN TEXAS IS A LAKE BY ANY OTHER NAME AND THE RIGHT TROPICAL STORM CAN MAKE ARID PLACES LOOK ALMOST BIBLICAL IN FLOOD CONDITIONS ....BUILD ON HIGH GROUND. WE HAD AN UNDERGROUND HOME THAT FLOODED SIMPLY FROM HYDRAULIC PRESSURE OF GROUND WATER. I SERIOUSLY HOPE YOU DON'T BUILD THERE