The Town That Learned How Fast Water Can Run Out.

The Water Story

Comanche Springs — and the Law of the Biggest Pump

For thousands of years, Comanche Springs was a desert lifeline — one of the largest springs in Texas, gushing on the order of 30 million gallons a day. The U.S. Army built its fort beside it in 1859, and a swimming pool and Water Carnival grew up around it.

Then, in the 1950s, powerful new irrigation wells west of town began pulling from the same Edwards–Trinity aquifer that fed the springs. The water table dropped, and by the early 1960s the springs had stopped flowing entirely.

The 1954 case it triggered — Pecos County WCID No. 1 v. Williams — upheld Texas's "rule of capture," still known here as the law of the biggest pump.

There's a hopeful epilogue: since about 2011, when the irrigation pumps idle for the winter, the aquifer rebounds and Comanche Springs flows again for a few months each year. It's the clearest lesson in West Texas about what groundwater can give — and take back.