Predicting the Impact from Significant Storm Events on a Hazardous Waste Site

by Udai P. Singh, (M.ASCE), CH2M Hill, Oakland, United States,
Neal P. Dixon, (M.ASCE), CH2M Hill, Oakland, United States,
J. Stephen Mitchell, CH2M Hill, Oakland, United States,

Document Type: Proceeding Paper

Part of: Critical Issues in Water and Wastewater Treatment


The Stringfellow Hazardous Waste Site is a former Class I industrial waste disposal facility located near the community of Glen Avon in southern California. In response to community concerns regarding flooding and possible exposure to contaminants via the surface water pathway, a study was performed to evaluate the potential effect significant/episodic storm events may have on the site and its engineered structures as they exist during present day conditions. Specific storm events such as significant recorded historic storms as well as synthetic design storms were considered and the impact on the onsite area and surface channels in Pyrite Canyon downstream of the site was evaluated. Conclusions were reached, and recommendations were made to minimize the potential flood impacts and exposure to contaminants via the surface water pathway in the areas downstream of the site.

Subject Headings: Occupational safety | Waste sites | Storms | Natural disasters | Hazardous wastes | Industrial facilities | Surface water | Waste disposal | California | United States

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