Crisis in Flint Underscores a National Drinking Water Quality Problem

Source: Pam Hunter McFarland and Mike Anderson, Engineering News Record, Vol. 277 no. 11, October 12, 2016

….In many ways, the situation in Flint is unique. A state-appointed emergency manager in 2014 made a unilateral decision to switch the city’s drinking-water supply from Lake Huron, which provides Detroit’s water supply, to the polluted Flint River; then the city failed to ensure that proper corrosion controls were applied to prevent lead from leaching into the water. A few months later, citizens began complaining of vomiting, rashes and hair loss. A U.S. Justice Dept. probe is underway, and criminal charges have been filed against multiple parties, including the city’s former water supervisor.

In other ways, Flint is emblematic of a larger problem: Many cities across the country, particularly Rust Belt cities with older networks of drinking-water pipes and service lines, could be facing similar scenarios with not only lead but also other organic contaminants, such as perchlorate—a component of rocket fuel—and Legionella bacteria…..