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Nassau County Stormwater Pollution Prevention and IPM Plan Development

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Project Leader: J. Gangloff-Kaufmann, NYS IPM Program

Abstract:  As required by the Clean Water Act, The United States Environmental Protection Agency (EPA) published regulations addressing storm water discharges, and specifically, discharges to municipal separate storm sewer systems (MS4s) operated by cities and counties. Storm water runoff from land can adversely affect aquatic environments and water quality by introducing sediments, contaminants, floatables (trash), nutrients that lead to oxygen depletion, and harmful microorganisms. Municipalities that operate MS4s are required to develop storm water management plans that set attainable and measurable goals for reducing runoff and contamination of surface waters, by reducing the chances of runoff and the potential for contamination of runoff.

The Department of Public Works of Nassau County, NY, awarded a project to the engineering firm Dvirka and Bartilucci, of Woodbury, NY, to develop part of the County’s Storm Water Phase II Pollution Prevention Plan. Dvirka and Bartilucci, in turn, contracted with Cornell Cooperative Extension (NYS IPM Program) to develop a section of this plan, titled “Minimum Measure Six: Pollution Prevention/Good Housekeeping for Municipal Operations”. Specifically, NYS IPM was contracted to develop the part of the plan that evaluated and made recommendations about pest management practices and pesticide and fertilizer use in county facilities. Through on-site evaluations, staff interviews, and by reviewing pesticide use records and storage and handling procedures, NYS IPM developed a pesticide runoff risk-reduction plan that incorporated the activities of the Department of Parks and Recreation. This plan also included IPM recommendations for the vector and rodent control programs, and other indoor facilities where pest control efforts generally do not lead to runoff contamination.