West of Loop 1 at Shoreline Dr. (north end of Mopac)

This is the largest steel potable water tank in the US. (or it was not long ago)

It’s capacity is 34 million gallons. It is 260′ in diameter, 120′ high (in the center) and 80′ at the edges.
It covers 53,000 sf in area.

It is a landmark that can be seen for miles and miles away on approach into Austin by air. .

I always wondered where the name Martin Hill originated. After posting recently about Austin White Lime, the name AF Martin jumped out at me, the original proprietor of that business. Hence Martin Hill.