Ranking Groundwater Pollution Potential Using a Standardized Decision Tool: Commercial and Industrial Business in Kootenai County, Idaho

Publication Date


Type of Culminating Activity


Degree Title

Master of Health Science, Environmental Health


Community and Environmental Health

Major Advisor

Dr. Gary Shook, Sc.D.


Dr. Warren Barrash, Ph.D.


Dr. John Freemuth, Ph.D.


Regulated industrial facilities were ranked according to their potential to contaminate groundwater using a risk model and decision analysis technique. Health District regulations and inspections focus on the reporting, storing, handling of Critical Materials and the subsurface disposal of wasterwater. Thirteen critical aspects of facility risk in regard to groundwater contamination were identified and weighted for quantitative analysis in the model to determine variability within the sample population. The pollution potential ranking tool intends to improve risk communication and program delivery, standardize inspection protocols and focus programs resources through prioritization and management. This thesis ranks 100 facilities and indicates higher risk values for facilities storing toxic or large quantities of Critical Materials, inadequate containment systems and illegal discharges of wastewater.

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