ArticleEnvironmental science & technology2014
Uranium and radon in private bedrock well water in Maine: geospatial analysis at two scales.
Article in Environmental science & technology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Discovery of uranium content in breastmilk and assessment of associated health risks for mothers and infants in Bihar, India.Scientific reports · 2025Article
- Secondary metal ion-induced electrochemical reduction of U(VI) to U(IV) solids.Nature communications · 2024Article
- Urinary biomarkers of exposure to toxic and essential elements: A comparison of infants fed with human milk or formula.Environmental epidemiology (Philadelphia, Pa.) · 2024Article
- Distribution and correlation of radon and uranium and associated hydrogeochemical processes in alluvial aquifers of northwest India.Environmental science and pollution research international · 2020Article
- Distribution and Geochemical Controls of Arsenic and Uranium in Groundwater-Derived Drinking Water in Bihar, India.International journal of environmental research and public health · 2020Article
- Lung and stomach cancer associations with groundwater radon in North Carolina, USA.International journal of epidemiology · 2017Article
- Influences on domestic well water testing behavior in a Central Maine area with frequent groundwater arsenic occurrence.The Science of the total environment · 2015Article
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Authors and funding
7 authors.
Funding
Abstract
In greater Augusta of central Maine, 53 out of 1093 (4.8%) private bedrock well water samples from 1534 km(2) contained [U] >30 μg/L, the U.S. Environmental Protection Agency's (EPA) Maximum Contaminant Level (MCL) for drinking water; and 226 out of 786 (29%) samples from 1135 km(2) showed [Rn] >4,000 pCi/L (148 Bq/L), the U.S. EPA's Alternative MCL. Groundwater pH, calcite dissolution and redox condition are factors controlling the distribution of groundwater U but not Rn due to their divergent chemical and hydrological properties. Groundwater U is associated with incompatible elements (S, As, Mo, F, and Cs) in water samples within granitic intrusions. Elevated [U] and [Rn] are located within 5-10 km distance of granitic intrusions but do not show correlations with metamorphism at intermediate scales (10(0)-10(1) km). This spatial association is confirmed by a high-density sampling (n = 331, 5-40 samples per km(2)) at local scales (≤10(-1) km) and the statewide sampling (n = 5857, 1 sample per 16 km(2)) at regional scales (10(2)-10(3) km). Wells located within 5 km of granitic intrusions are at risk of containing high levels of [U] and [Rn]. Approximately 48 800-63 900 and 324 000 people in Maine are estimated at risk of exposure to U (>30 μg/L) and Rn (>4000 pCi/L) in well water, respectively.
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