Lock it up! Permeable Pavement and Stream Restoration: A BMP Match for Success

Aislinn Creel By: Aislinn Creel

The Town of Ashland has eliminated 10lbs of Virginia’s keystone pollutant, phosphorus, from the stormwater entering Mechumps Creek every year.

Construction was recently completed for the Ashland Police Department Retrofit project, which included conversion of a typical asphalt parking lot to permeable pavement and stream restoration of an adjacent channel.  This overwhelming success story was fully funded by grant monies, and brought to fruition by partnerships between Town departments, the successful bidder, and Timmons Group. The project represents utilization of a myriad of Best Management Practices to provide a cost effective solution to water quality retrofits.

Timmons Group assisted the Town of Ashland with securing grant funds from both VA DEQ’s Stormwater Local Assistance Fund and the National Fish and Wildlife Foundation’s Chesapeake Bay Stewardship Fund. The project scope included conversion of approximately 8,000 sf of asphalt to permeable pavement using EagleBay permeable pavers.

Further, approximately 210 linear feet of an upper tributary to Mechumps Creek was restored to provide water quality treatment at the outfall of nearly 80 acres of a historically built-out, urban drainage area. Land conversion and reconfiguration of the adjacent gravel parking area were used to increase the riparian buffer.

Nearly 10 lbs/yr of total phosphorus will be removed as a result of the project, which was implemented for less than $360,000, representing a cost effective combination of best management practice technologies.

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