In this week's water and wastewater news, an operator in Orange County makes a computer error that pumps excess fluoride into the water system; a treatment plant team is suspended for negligence; and customers in Louisiana find pink water coming from their taps.

After a 2014 water crisis in Toledo, which left 500,000 customers without water, the city knew it needed to respond better to Lake Erie algae blooms. Here's how monitoring, treatment and public relations efforts have kept the city's water safe.