Naturally occurring arsenic in groundwater affects millions of people worldwide. We created
a global prediction map of groundwater arsenic exceeding 10 micrograms per liter using a …

Drinking water for approximately 23 million US households is obtained from private wells.
These wells can become contaminated by pollutant chemicals or pathogenic organisms …

Drinking-water quality is a rising concern in the United States (US), emphasizing the need to
broadly assess exposures and potential health effects at the point-of-use. Drinking-water …

Approximately 94 to 220 million people worldwide are at risk of drinking well water
containing arsenic> 10 µg/L, the WHO guideline value. To identify non-compliant domestic …

Arsenic (As) is one of the most prolific natural contaminants in water resources, and hence, it
has been recognized as an emerging global problem. Arsenic exposure through food …

Severe public health consequences of worldwide geogenic arsenic occurrence in
groundwater have been recognized since the late 1990s (1). The population affected by …

Over 1.3 million Californians rely on unmonitored domestic wells. Existing probability
estimates of groundwater Mn concentrations, population estimates, and sociodemographic …

Background In 2006, the current US Environmental Protection Agency (EPA) maximum
contaminant level for arsenic in public water systems (10 μg/L) took effect. We aimed to …

Abstract In the United States and globally, contaminant exposure in unregulated private-well
point-of-use tapwater (TW) is a recognized public-health data gap and an obstacle to both …

Early life exposure to environmental lead (Pb) has been linked to decreased IQ, behavior
problems, lower lifetime earnings, and increased criminal activity. Beginning in the 1970s …