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the Standard Project Flood elevation(s) over all affected mainstem levees <br />is maintained <br />4 4 3 All pump stations are subject to shutdown in the event that the director of <br />King County's Department of Natural Resources and Parks, or the <br />director's designee, determines that there exists a substantial risk of <br />imminent levee failure or overtopping, or for public health and safety <br />emergency purposes <br />4 4 4 All new drainage outfalls discharging directly into the Green River shall be <br />designed to cease discharging and to store up to the 100 -year, seven -day <br />flood event when flows in the Green River equal 12,000 cubic feet per <br />second, as measured at the Auburn gauge, unless a party to this <br />agreement is granted an exemption subject to the guidelines established <br />in Sections V and VII of the 1986 Pump Operations Procedures Plan, as <br />amended <br />4 5 Flood Warning and Emergency Response For the purposes of coordinating <br />flood warning and emergency responses within the lower Green River basin, the <br />Parties agree as follows <br />4 5 1 All Parties, subject to limitations of available staffing, technology, data <br />and funding shall provide accurate flood warning information within their <br />respective jurisdictions regarding the magnitude, timing and duration of <br />flood peaks in order to give floodplain residents, property owners, <br />business owners and others time to react to flood events by evacuating or <br />taking steps to protect property, improvements and possessions <br />4 5.2 All Parties shall implement as necessary the Post -Flood Recovery Plan <br />for the Lower Green River Basin (1994) after flood events, and request <br />and coordinate federal and state flood disaster assistance <br />4 5 3 King County shall staff flood patrols in the lower Green River basin <br />consistent with King County's flood warning procedures, and complete <br />river facility damage assessments as needed during and after flood <br />events and other major community disasters <br />4 5 4 King County shall coordinate Howard Hanson Dam operations with the <br />U S Army Corps of Engineers to ensure that release rates during and <br />after flood events will minimize as much as possible flooding in the lower <br />Green River basin and damages to the Green River Flood Control Zone <br />July 2002 Page 9 of 17 <br />