Arlington, VA

The Ballston Beaver Pond is about to get a makeover, but a little later than originally anticipated.

In January, county officials re-initiated a public discussion on a redesign for the pond. The pond was originally built in 1980 to collect stormwater runoff from I-66. To the surprise of county officials, beavers moved in and made the pond their home. The beavers dammed up the drainage system and were joined in the habitat by muskrat, geese, ducks, heron, egrets, redwing blackbirds, fish, turtles.

The stormwater goals have since been further hampered by invasive vegetation and litter. But after some initial work 5-6 years ago, Arlington now hopes to transform the pond to something beyond its initial concept: it wants to turn the pond into a stormwater management facility and pedestrian-accessible wetlands.

“This pond receives runoff from more than 300 acres of urban and suburban land and represents the most feasible opportunity within Arlington for a larger regional stormwater management facility,” the county said on the project page. “Retrofitting the pond so it provides more water quality treatment helps the County comply with the municipal separate storm sewer system permit and contributes to restoring the Chesapeake Bay.”

Plans for the project include a boardwalk with informative signs and benches along the eastern edge of the pond.

Initial projections for the project had construction starting sometime this winter, but stormwater outreach specialist Lily Whitesell said the project is currently still in the permitting phase with VDOT. Once construction of the project starts, it’s projected to last 9-12 months.

“Once [permitting] is completed, it will go to procurement, likely in early 2020,” Whitesell said. “Then we will likely go to construction in summer or fall 2020.”

The fundamental design of the project remains the same, and Whitesell said the intense storm in July showed the need for expanded capacity at the pond.

There will be some closures during the project. Whitesell said the trail on the east side of the pond will be closed during construction, but the trail adjacent to Fairfax Drive that leads to the Custis Trail will remain open.

When the trail reopens, the wetland will be designed to revive the native wetland plants and habitat, like turtles.

“We anticipate that turtles, a wide variety of migratory birds, pollinators, amphibians, and other valuable wildlife will use the pond,” Whitesell said. “We’ve heard from local birders and other wildlife enthusiasts that they are excited about the new habitat benefits of the project.”

But despite the namesake, the county are not planning to bring beavers back to the park, and in fact will actively do all they can to keep them away.

“Unfortunately, beavers would reshape the land and potentially compromise the water quality and habitat goals of the project and pond safety,” Whitesell said. “Beaver baffles will be installed to discourage beavers from the pond area.”

Photos 2, 3 courtesy Arlington County

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