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Long-awaited renovations to Ballston Beaver Pond begin

Work began yesterday (Wednesday) on the long-delayed Ballston Beaver Pond remediation project — but no busy beavers will be involved.

The $4.2 million, 18-month project approved by the County Board this summer will retrofit the pond, originally built in 1980 to collect stormwater runoff from I-66. Today, sediment in the pond prevents detention, and it instead has become home to abundant wildlife, including beavers, according to a county report.

The project, expected to wrap up in July 2023, aims to improve stormwater retention and the wildlife habitat by restoring native plant species and adding habitat features. There will be a new observation platform with educational signage, seating and a reconstructed trail with bike racks.

Arlington County says the new two-acre wetland area will provide stormwater treatment to 460 acres of land in the Lubber Run watershed, and “is among the County’s most effective opportunities to achieve its water quality objectives and meet its regulatory requirements.”

This month, the construction contractor will be setting up the site, county project manager Aileen Winquist tells ARLnow. Excavation will begin next year.

“From now until the end of the year, neighbors will see the contractor bringing in equipment and setting up the boundaries of the construction area,” she said. “In the new year, neighbors will begin to see dump trucks full of sediment removed from the pond leaving the site.”

Public access will be limited as well. The grass area within the park will be off-limits, as it will be used for construction. A bike and pedestrian detour will reroute trail users from Washington Blvd to the Custis Trail and along the south side of the pond.

The detour will be in place for the entirety of construction, Winquist says.

A bicycle detour around the Ballston Beaver Pond construction project (via Arlington County)

The project is divided into a few phases, as work can only occur on one half of the pond at a time, Winquist said.

First, workers will remove sediment from and re-grade a half of the pond while removing invasive plants.

After the second half of the pond receives the same treatment, construction will begin on a new observation platform, trail upgrades, native species planting and new habitat features, including basking stations for turtles, she said.

The project is a long time in coming.

After community engagement in 2011-12, the project was paused in 2013 until the necessary easements were obtained from property owners. A redesigned project with new permits went to the public in January 2019, but “COVID-19 and related budget concerns” again delayed the project, the report says.

Still, those nearby welcome the pond redo, according to the report.

“The community continues to be very supportive of the project and it is highly anticipated by Ballston area residents and businesses,” it said.

But once beaver baffles are installed to discourage these critters from returning — and damming the pond again, which could compromise water quality — the wetland area will need a new name.

“This beautiful natural area needs a name that fits its unique space,” says Department of Parks and Recreation spokeswoman Martha Holland.

Next year, the county plans to ask the community for name ideas and provide an opportunity to comment on a list of potential names.

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