The Arlington County Board will consider a plan to make a stretch of Williamsburg Blvd a so-called “Green Street” at its meeting Saturday.

The section of Williamsburg Blvd, between 33rd Road N. and 35th Street N., would have new trees added as well as two 1,000-square-foot rain gardens in the median. The project is intended to improve local water quality and address permit requirements as part of the county’s Green Streets project for stormwater management.

County staff estimated that installing the trees and rain gardens will treat runoff from 2.2 acres of impervious surfaces that do not allow rainwater to soak in. That water then runs off into the Little Pimmit Run watershed, which leads to the Chesapeake Bay, with Arlington under instructions along with other jurisdictions to reduce pollution in the bay.

If the County Board approves the plan, a contract worth an initial $1.23 million would be awarded, with $246,000 in contingency.

County staff recommends approval of the project, which is being coordinated with the second phase of improvements to Old Dominion Drive. Construction is set to start in June or July.