2017
DOI: 10.3133/sir20175112
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Hydrogeology and water quality of sand and gravel aquifers in McHenry County, Illinois, 2009–14, and comparison to conditions in 1979

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Cited by 3 publications
(25 citation statements)
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“…In 2010, samples from a subset of the monitoring wells also were analyzed for volatile organic compounds, pesticides, and herbicides. The results of that study are presented in Gahala (2017). In short, the findings of that report indicated health-based standards were exceeded for arsenic in 22 percent of the monitoring wells sampled, sodium in 37 percent of the monitoring wells sampled, and nitrates in 2 percent of the monitoring wells sampled.…”
Section: Introductionmentioning
confidence: 91%
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“…In 2010, samples from a subset of the monitoring wells also were analyzed for volatile organic compounds, pesticides, and herbicides. The results of that study are presented in Gahala (2017). In short, the findings of that report indicated health-based standards were exceeded for arsenic in 22 percent of the monitoring wells sampled, sodium in 37 percent of the monitoring wells sampled, and nitrates in 2 percent of the monitoring wells sampled.…”
Section: Introductionmentioning
confidence: 91%
“…McHenry County, Ill. (611 square miles), is 35 miles northwest of the Chicago metropolitan area. As described in Gahala (2017), the county is generally geographically split by type of land use. The western half of the county is dominated by agricultural land use, and the eastern half is primarily urban land use.…”
Section: Description Of Study Areamentioning
confidence: 99%
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