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Impact of Fluoride Concentrations on Natural Waters throughout Texas

This project aims to visually represent the impact of fluoride contamination on water sources in Texas, including affected populations and geographic regions. The agenda includes discussing fluoride in water, mapping impacted regions, and exploring connections with geography and hydrology. The project concludes with a debunking of controversies and conspiracies surrounding fluoride, as well as outlining the health risks associated with high fluoride concentrations.

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Impact of Fluoride Concentrations on Natural Waters throughout Texas

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  1. Impact of Fluoride Concentrations on Natural Waters throughout Texas Mark Stehouwer GIS in Water Resources Fall 2013

  2. Project Goal: • “To generate a visual medium by which fluoride contaminationof water sources in the state of Texas along with the impactedpopulationsand geographic regions can better be understood” Agenda: • Context and fluoride in water • Impacted regions/mapping • Connections with geography and hydrology 4. Project conclusions

  3. Fluoride in Water Debunking controversy and conspiracy EPA Limit [F] = 4 mg/L Benefits [F] < 1.5 mg/L Tooth Development Cavity Prevention Health Risks [F] > 2 mg/L - Pitting of teeth - Dental and/or skeletal fluorosis CPHA. 2013. FluorideActionNetwork, 2013. McGrady et al. BioMed Oral Health, 2012. Whyte et al. Amer. Jour. Med, 2005.

  4. Mapping Fluoride through GIS • Fluoride Data • Mapping and Processing • Basemaps • Thematic Maps

  5. Fluoride in SurfaceWaters

  6. Fluoride in SurfaceWaters

  7. Fluoride Regions for Surface and Ground Waters

  8. HydrologyResults • Regional ground water fluoride contours and major aquifer overlay • Regional surface water fluoride contours and major basin overlay

  9. US Census Data SW Fluoride > 2mg/L GW Fluoride > 2mg/L • County Level Population Density and Impacted Regions • [F] > 2mg/L

  10. Project Extensions and Conclusions • Northwest Texas has highest • potential for fluoride contamination • Station and fluoride data limitations • GIS provides framework for visualizing and identifying contaminant presence in natural environment • To do… • Find % Texas Population impacted by high fluoride

  11. Questions

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