Cost-Effectiveness and Urban Storm-Water Quality Criteria

by James P. Heaney, Univ of Florida, United States,



Document Type: Proceeding Paper

Part of: Design of Urban Runoff Quality Controls

Abstract:

This paper reviews alternative methods of evaluating the effectiveness of investments in urban stormwater quality improvement. Experience in the related area of control of dry-weather flows is presented. Results indicate that no single measure of performance or effectiveness has emerged. Primary reliance is still placed on specifying a required level of treatment. Even with proven treatment technology and relatively uniform influent, the effluent variability is similar to urban runoff. Next, methods of risk assessment are presented from the perspective of their potential applicability to evaluating urban runoff control programs. Interest in benefit-cost analysis, cost-effectiveness, and cost-risk analysis has been rekindled in the 1980's due to concern over the enormous cost of control programs.

Subject Headings: Benefit cost ratios | Risk management | Urban areas | Stormwater management | Runoff | Municipal water | Water quality

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