Contaminant study  of Groundwater in Texas using ArcGIS Modeling Tool

TCE in Ground WaterTCE in Ground Water

By Linlin WangBy Linlin Wang

Trichloroethylene (TCE)Trichloroethylene (TCE) What is Trichloroethylene?

What happens to trichloroethylene when it enters the environment?

How might we be exposed to trichloroethylene?

How can trichloroethylene affect our health?

How has the federal government made recommendations to protect human health?

TCE Concentration DistributionTCE Concentration Distribution

EPA Defined Groundwater ContaminationEPA Defined Groundwater Contamination EPA Limit: >17ppm is

contamination

Where Exceeds EPA’s Drinking Water Limit?Where Exceeds EPA’s Drinking Water Limit?

EPA Drinking Water Limit: <0.005ppm

Public Use Groundwater SourcePublic Use Groundwater Source

-Drinking water-Recreation

Identify Public Use Groundwater that Exceeds EPA LimitIdentify Public Use Groundwater that Exceeds EPA Limit

Where the most terrible thing happens?Where the most terrible thing happens?

0

50

100

150

200

250

TCE Concentration

(ppm)

Bosque Coryell Erath Tarrant Wise

Counties

Counties with highest TCE concentration in Groundwater

Possibility Study of Cancer Rate Related to TCE Distribution in Possibility Study of Cancer Rate Related to TCE Distribution in GroundwaterGroundwater

Conclusions Conclusion:Conclusion: -Large Range from 0~240 ppm -Central and East Problem -Possibility of Cause of Cancer

Future WorkFuture Work -Find out Source of TCE -Investigate the Possible Route

of TCE Transport

AcknowledgementAcknowledgement Dr.MaidmentDr.Maidment

Venkatesh MerwadeVenkatesh Merwade

Ali SariAli Sari

Questions?Questions?