Photo: Excessive nitrate in lakes, seas and rivers can increase algae growth that can lead to toxic blue-green blooms. The…
Photo source: CNN Record flooding in the Midwest is now threatening the safety of more than a million private water…
Degraded coral reefs at Kahekili Beach Park in west Maui, Hawaii. Peter Swarzenski / Usgs In a case watched closely…
Photo: Record-setting rain in the D.C. area has caused problems for local sewage treatment plants. (Robert Miller/The Washington Post) Sewage…
Photo: Steve Johnson / Flickr Public water systems serving more than 5.6 million Americans contain concentrations of nitrate at levels…