I live in New Braunfels Tx, about 35 miles south of Austin. There are some critter removal people here that do it for free.
It amazes me that people who engage in something as dangerous as pro-level road racing turn into 12-year-old girls at the sight of a creature that has more than two legs.
Never thought of the ice water approach, why don't you just keep putting ice in, and keep your bowl cold as possible, stop at a gas station on the way home and dump a bag in, either it goes away in retreat, dies a frozen snake sickle or will come out of the toilet to find any warmth and will be slow. Not sure if a frozen snake might clog the toilet, might have to snake the toilet to un clog the snake, LOL
I would buy some type of illegal blender attachment that goes on my Dewalt 20V from Aliexpress and tell that damn snake who's who.
From what I have read you recently acquired this house, maybe the snake was the reason the last residents left? The house of the rising snake, has a ring to it doesn't it. There was a house in ...................................