LinkLinks DCist: NPS To Raise Tidal Basin Walkways 5 Feet To Account For Sea Level Rise By Editor On Jun 1, 2023 Last updated Jun 1, 2023 36 Share When D.C.’s Tidal Basin was built more than 100 years ago, the walkways around it were 6 feet above the Potomac River at low tide. Since then, a combination of rising sea level and sinking land has brought the water much closer — in fact portions of the walkway now flood twice a day at high tide. 36 Share FacebookTwitterReddItWhatsAppEmailPrint
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