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Body Executive Director Penny K. Lew Executive Committee Members Chairman Pat Burns | Chairman, Director, Orange County Sanitation District, City of Huntington Beach Vice Chairman Cathy Green | Vice Chairwoman, Director, Orange County Water District Committee Members Art Perry, Director, Costa Mesa Sanitary District Eric Weigand, Council Member, City of Newport...

Body The 1986 Orange County Hydrology Manual and its 1996 Addendum have been calibrated to local watershed conditions. They provide guidance in estimating peak discharges and volumes of storm water runoff for the design of flood control facilities and floodplain determination. The primary goal is to provide 100-year flood protection for...