**GAO-01-679**                      Published: Jun 29, 2001. Publicly Released: Jul 10, 2001.                  

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## Highlights

The Environmental Protection Agency (EPA) considers the contaminants in storm water runoff as a significant threat to water quality across the nation. Prompted by Congress, EPA has responded with various initiatives, including the National Pollutant Discharge Elimination System Storm Water Program, which requires more than 1,000 local governments to undertake storm water management programs. Those municipalities in Phase I of the program have been trying to reduce pollutants in storm water runoff for several years, and it is time to begin evaluating their efforts. EPA however, has not established measurable goals for this program, nor has it attempted to evaluate the program's effectiveness in reducing storm water pollution or to determine its cost. EPA attributes its inaction to inconsistent data reporting from municipalities, insufficient staff resources, and other competing priorities within the Office of Wastewater Management. Although municipalities report monitoring and cost data to EPA or state regulatory agencies annually, these agencies have not reviewed this information to determine whether it can be useful in determining the program's overall effectiveness or cost. GAO found that the reported cost information will be difficult to analyze unless EPA and its state partners set guidelines to elicit more standardized reporting. Better data on costs and program effectiveness are needed--especially in light of the Phase II program that will involve thousands more municipalities in 2003. EPA's planned research grant to the University of Alabama and its pilot project to analyze data from annual reports and develop baseline indicators is a step in the right direction and could point the way for a more comprehensive approach.

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## Topics

Natural Resources and Environment

ContaminantsCost analysisPerformance measuresPollutantsProgram evaluationReporting requirementsWater pollution controlWater qualityUrban runoffLocal governments