Austin Water to invest $1B in Walnut Creek Wastewater Treatment Plant

AUSTIN (KXAN) — Austin Water will be investing one billion dollars in the Walnut Creek Wastewater Treatment Plant (WWTP) to better support Austin's clean water supply.

Currently, WWTP can filter 75 million gallons per day, but due to population growth, that's not enough.

"In 2024 several times, we actually exceeded 90% of the capacity of the plant," said Charles Celauro, Austin Water's assistant director of engineering. "When that happens, it does trigger state, federal, state...