(Des Moines, IA) — Iowa regulates drinking water quality, monitoring for contaminants such as nitrates. The federal safety standard is ten parts per million, but new research suggests even lower levels may not be safe.
“One of my studies out of Iowa, research out of California, and research out of Europe show that exposure to drinking water with levels below that safe threshold is associated with increased risk of preterm birth and lower birth weight,” said Jason Semprini, a researcher at the Des Moines University Medical School Department of Public Health.
He tells WHO Radio News that even five parts per million could have health impacts…