6 Investigates: The Weak Link in Our Water Supply

KRISTV.com | Continuous News Coverage | Corpus Christi Most us began Thursday morning with news of yet another water supply problem.  By lunch time, we knew why: Ergon Asphalt and Emulsions, Inc. on Up River Road does not have a backflow preventer. Or, the one they do have, failed. And so, city officials tell us a couple of chemicals - one of them, hydrochloric acid -  got into our water supply.