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WWHM2012 <br />PROJECT REPORT <br />Project Name: Thomson Residence Detention Tank 03.02.21 <br />Site Name: <br />Site Address: <br />City <br />Report Date: 3/2/2021 <br />Gage : Everett <br />Data Start : 1948/10/01 <br />Data End : 2009/09/30 <br />Precip Scale: 1.00 <br />Version Date: 2019/09/13 <br />Version : 4.2.17 <br />Low Flow Threshold for POC 1 : 100 Percent of the 10 Year <br />High Flow Threshold for POC 1: 0 year <br />PREDEVELOPED LAND USE <br />Name Basin 1 <br />Bypass: No <br />Groundwater: No <br />Pervious Land Use <br />acre <br />A B, Forest, Steep <br />.063 <br />A B, Lawn, Steep <br />.088 <br />Pervious Total <br />0.151 <br />Impervious Land Use <br />acre <br />ROOF TOPS FLAT <br />0.018 <br />DRIVEWAYS MOD <br />0.04 <br />SIDEWALKS MOD <br />0.011 <br />Impervious Total <br />0.069 <br />Basin Total <br />0.22 <br />Element Flows To: <br />Surface Interflow <br />MITIGATED LAND USE <br />Name : Basin 1 <br />Groundwater <br />