Chino Hills Water Main Break Buckles Street, Affects 50 Homes By Ken Vincent • Mar 18, 2019 ShareTweetEmail Cars slosh through standing water from a water main break on Rancho Hills Drive in Chino Hills. Credit Screenshot from KTLA 5 Los Angeles Repairs are being made to a street in Chino Hills that buckled after a water main broke yesterday in the 1700 block of Rancho Hills Drive, affecting some 50 homes. More from KVCR's Ken Vincent. Listen Listening... / 0:22 Short report from KVCR's Ken Vincent. Source: KTLA ShareTweetEmailView the discussion thread.