UCLA

The original version of this Article contained an error in Ref. [36] which was incorrectly given with the source as: EPA. Private Drinking Water Wells https://www.epa.gov/privatewells (2020). The correct form of Ref. [36] is: Johnson, T.D. & Belitz, K. Domestic well locations and populations served in the contiguous U.S.: 1990. Sci. Total Environ, 607–608, 658–668 (2017). In association to this error, the source of copyright was incorrectly given as “EPA, 2021;” in the legend to Figure 3. The correct source of copyright is “Elsevier, 2017;”. This has now been corrected in the PDF and HTML versions of the Article.