News release: Drought may lead to elevated levels of naturally occurring arsenic in private domestic wells
An estimated 4.1 million people in the lower 48 states are potentially exposed to arsenic levels that exceed EPA’s drinking water standards A new U.S. Geological Survey study highlights the importance of homeowners testing their well water to ensure it is safe for consumption, particularly in drought-prone areas. … The states with the largest populations facing elevated arsenic levels in private domestic well water during the simulated drought conditions are Ohio (approximately 374,000 people), Michigan (320,000 people), Indiana (267,000 people), Texas (200,000 people) and California (196,000 people).