@misc{indiciaed095fdf97e2c, title = {U.S. drinking water challenges in the twenty-first century}, author = {Ronnie B. Levin and Paul R. Epstein and Tim E. Ford and Winston Harrington and Erik R. Olson and Eric G. Reichard}, year = {2002}, doi = {10.1289/ehp.02110s143}, url = {https://pubs.usgs.gov/publication/70199702}, note = {Source identifier: 70199702} }