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IEUBK Modeling of Children’s Blood Lead Levels in Homes Served by Private Domestic Wells in Three Illinois Counties

Author

Listed:
  • Sarah Keeley

    (Department of Occupational & Environmental Health Sciences, School of Public Health, West Virginia University, Morgantown, WV 26506, USA)

  • Samuel Dorevitch

    (Division of Environmental and Occupational Health Sciences, School of Public Health, University of Illinois Chicago, Chicago, IL 60612, USA
    Institute for Environmental Science and Policy, University of Illinois Chicago, Chicago, IL 60612, USA)

  • Walton Kelly

    (Illinois State Water Survey, Prairie Research Institute, University of Illinois Urbana-Champaign, Champaign, IL 61820, USA)

  • David E. Jacobs

    (Division of Environmental and Occupational Health Sciences, School of Public Health, University of Illinois Chicago, Chicago, IL 60612, USA
    National Center for Healthy Housing, Columbia, MD 21044, USA)

  • Sarah D. Geiger

    (Department of Kinesiology and Community Health, University of Illinois Urbana-Champaign, Champaign, IL 61820, USA)

Abstract

Lead is known to impair neurocognitive development in children. Drinking water is routinely monitored for lead content in municipal systems, but private well owners are not required to test for lead. The lack of testing poses a risk of lead exposure and resulting health effects to rural children. In three Illinois counties, we conducted a cross-sectional study (n = 151 homes) examining water lead levels (WLLs), water consumption, and water treatment status to assess risk of lead exposure among residents using private water wells. Since blood lead levels (BLLs) were not available, EPA’s Integrated Exposure Uptake Biokinetic (IEUBK) modeling was used to estimate the incremental contribution of WLL to BLL, holding all other sources of lead at their default values. Nearly half (48.3%) of stagnant water samples contained measurable lead ranging from 0.79 to 76.2 µg/L (median= 0.537 µg/L). IEUBK modeling showed BLLs rose from 0.3 to 0.4 µg/dL when WLLs rose from 0.54 µg/L (the tenth percentile) to 4.88 µg/L (the 90th percentile). Based on IEUBK modeling, 18% of children with a WLL at the 10th percentile would have a BLL above 3.5 µg/dL compared to 27.4% of those with a WLL at the 90th percentile. These findings suggest that the consumption of unfiltered well water likely results in increased blood lead levels in children.

Suggested Citation

  • Sarah Keeley & Samuel Dorevitch & Walton Kelly & David E. Jacobs & Sarah D. Geiger, 2024. "IEUBK Modeling of Children’s Blood Lead Levels in Homes Served by Private Domestic Wells in Three Illinois Counties," IJERPH, MDPI, vol. 21(3), pages 1-11, March.
    • Handle: RePEc:gam:jijerp:v:21:y:2024:i:3:p:337-:d:1355939
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    References listed on IDEAS

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    1. Lianne McLeod & Lalita Bharadwaj & Cheryl Waldner, 2014. "Risk Factors Associated with the Choice to Drink Bottled Water and Tap Water in Rural Saskatchewan," IJERPH, MDPI, vol. 11(2), pages 1-21, January.
    2. William L. Hargrove & Patricia M. Juárez-Carillo & Marcelo Korc, 2015. "Healthy Vinton : A Health Impact Assessment Focused on Water and Sanitation in a Small Rural Town on the U.S.-Mexico Border," IJERPH, MDPI, vol. 12(4), pages 1-25, April.
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