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I’ve heard that flooding will become worse because the fill placed on the Shea Homes site will displace floodwater. Is that true?

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I’ve heard that flooding will become worse because the fill placed on the Shea Homes site will displace floodwater. Is that true?

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Definitely not. Presently, a 100-year storm without a levee breach would cause up to two feet of flooding near the Graham Street/Kenilworth Avenue intersection. That water surface is lower than even the existing ground surface at Parkside Estates, so adding fill will not cause flood water to be displaced. The drainage improvements will keep the flood water within the new storm drain, so the intersection will be “dry.” A regional 100-year storm with levee breach, would flood neighboring homes for hours before floodwater rises to the level of Parkside Estates. The perception that the Parkside Estates site offers flood storage capacity, and therefore protection, is wrong because even today, existing homes would be flooded long before the waters could rise to reach Parkside’s elevation. The flood control improvements will reduce the depth and duration of flooding of neighboring homes.

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