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What's Under the Pendleton Promenade?

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What's Under the Pendleton Promenade?

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There's more to Alexandria's newest community waterfront space than meets the eye. Take a look at what's below and how the Pendleton Promenade structure protects our waterways.
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The paved promenade at sunrise overlooking the Potomac River. A few people stroll around the edge of the promenade or sit on benches overlooking the water.

Alexandria's legacy combined sewer system was designed to overflow to nearby waterways on rainy days. A new diversion facility below the Pendleton Promenade will reduce these overflow events from 70 to less than 4 each year. 

RiverRenew is the largest infrastructure project in Alexandria's history. Water that flows through the Pendleton Street diversion facility will enter the Waterfront Tunnel, which will direct flows to AlexRenew for treatment. 

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Timeline of the Pendleton Promenade project, starting in 2018 and leading to the completion in 2025.
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Infographic showing the Pendleton Street Sewer flowing into the new diversion facility beneath the Promenade, then into the Waterfront Tunnel
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Learn More About RiverRenew