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Combined RSEI Water Scores and American Community Survey, 2011–2021

<p>This dataset was created for a master's thesis in geography at the University of Utah. County-level RSEI scores and county demographics were combined for a spatiotemporal regression analysis. Counties in the contiguous United States and years 2011&ndash;2021 are included.</p> <p><em>Risk-Screening Environmental Indicators</em>. Annual, county-level RSEI risk scores for surface water were obtained from the EPA RSEI model through the <a href="https://edap.epa.gov/public/extensions/EasyRSEI_AllYears/EasyRSEI_AllYears.html">EasyRSEI Dashboard</a>. RSEI scores are <a>defined as the relative potential for health risks, given the estimated exposure calculated by the EPA</a>. A binary risk indicator was created, signifying whether the county had any risk in a given year.</p> <p><em>American Community Survey 5-year estimates</em>. County-level population characteristics were collected as five-year estimates from the American Community Survey, with annual estimates for the survey end year applying to each year from 2011&ndash;2021. We used the R tidycensus package to collect variables and geometry from the US Census Bureau API. Variables included&nbsp;<a>total population (scaled by 10,000), percent racial composition (American Indian or Alaska Native, or AIAN; Asian; Black or African American; Native Hawaiian or Other Pacific Islander, or NHPI; Some Other Race; Two or More Races; and White), and percent ethnic composition (Hispanic or Latinx).&nbsp;</a>Each census-defined racial category was collected as non-Hispanic or Latinx, such that each group was mutually exclusive.</p>