Fairfax County begins stream‑stabilization work on Reston Association land; construction to run about a year

Fairfax County staff and contractor representatives told Reston Association residents that construction on a Piney Run tributary stream‑stabilization project has entered the construction phase and will begin after a notice to proceed dated April 1, 2026. Ram Gimiri, the project manager, said, "This project will stabilize approximately 1,500 linear feet of stream channel" and aims to reduce erosion, protect exposed sanitary sewer infrastructure and improve water quality.

County staff and the contractor described a one‑year construction schedule (April 2026–April 2027) with about 45 additional days for punch‑list and project closeout. Ram Gimiri said the county obtained the required permits and that regulatory drivers include the municipal separate storm sewer system (MS4) permit and total maximum daily load (TMDL) requirements tied to Chesapeake Bay water‑quality goals. Staff said the county issued a notice to proceed last week and that the contractor has mobilized for preconstruction…