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during a megastorm and determine if Arroyo del Valle &Arroyo Mocho likely will be overflowing their banks in a day or <br /> two. <br /> iii) I believe that, like Covid warnings, Pleasanton could then warn folks in the floodplain a day or two ahead to expect a <br /> 1:500 yr megaflood. The 2018 Hazardous Mgmt Plan indicated about 40,000 people would be flooded. <br /> iiii) I believe that your hazardous mgmt person could learn how to do this in just a few hours this month. I'd be very <br /> glad to help. <br /> X. X. X. X. X. <br /> Methinks if you bring it up as an emergency item tonight, and follow through, the Valley will be better prepared if we <br /> get the unlikely extreme flood storm this winter. — I am a retired after 55 yrs water engineer,who has been involved <br /> a bit in Valley water problems for over 30 years. Have done a bit of flood planning, monitoring, predicting, emergency <br /> managing, & litigation. Have watched a bridge flooded out. <br /> With best regards. Ken Henneman. 2/7/23 <br /> z <br />