In Edmonston, "Green" is not just our town color, it's a way of life! Welcome to "Project Green Street"
The Edmonston Green Street project has transformed Decatur Street, our main residential street, into a fully environmentally responsible street. It utilizes the best sustainability practices from across the country - from the tree canopy overhead to the storm water system underground. It is the first street of its kind in Maryland, and perhaps on the east coast.
All streets have an 'expiration date', a time when they must be repaired, resurfaced, or replaced. Instead of fixing our 'expired' streets in the conventional way, we fixed it in an environmentally responsible way. By virtue of our town's location straddling the Anacostia River, and having experienced years of devastating flooding from poor environmental practices, the Mayor, Council, and residents came to quick consensus to do so and build a "Green Street" and we have now accomplished this.
In completing this project, we are making a positive contribution to our regional environment, especially to our rivers and the Chesapeake Bay. Virtually all of the pollution that is killing our lakes and rivers comes from storm water, or rain runoff. When it rains, the water picks up pollutants that have collected on parking lots, streets and farms, and moves them into storm drains and tributaries into our rivers. River currents carry much of these pollutants into the Bay, where they then settle and cause destructive imbalances, killing crabs, oysters and other wildlife. We cannot save the Bay without better storm water practices, and green streets are key if we want to fix the pollution problem. Our project alone will not save the Bay, but it is part of the solution.
We think that this project is the responsible thing to do. But we also think that if our little working class town can accomplish a project like this, other municipalities - of any size - can and should do them too.
Street lighting with clean energy: New streetlights will use efficient bulbs and ballasts, and will be powered by an alternative source. Most likely, this will be wind energy purchased through an energy provider, though we are also looking at sources such as solar, kinetic and hydrology.
Walking, Running and Biking: The street and sidewalk will also be as accommodating to walkers, runners and bikers as possible. The street will also be a feature along the Anacostia Hiker/Biker Trail that goes through town, which will soon connect to the National Arboretum, the National Mall and the C&O Canal Trail. The more we use legs and feet to get around, the greener we are.
Recycled Materials: The materials used for the street and sidewalks themselves will consist of as much recycled material as possible, including milled asphalt, concrete and glass.
Storm water Bio Retention and Filtration: This is the most critical part of our project. Storm water, or rain runoff, will be diverted away from storm drains and the sewer system to specially landscaped areas along the street, which will filter the water naturally through the ground. These bio-retention cells, or raingardens, will look like regular roadside green space holding trees and plants, but will serve a very important function in the ecosystem. We will also use of permeable pavement (or bricks and concrete that will let water flow through into the ground). In scientific terms, this system will will capture the first 1.33 inches of rainfall during a storms, which means about 90% of all rainshowers in a typical year will be completely filtered. The raingardens treat 62% of the street, and the permeable pavement of the bike lanes treat an additional 28%. These innovations will keep the Anacostia (as well as the Potomac and Chesapeake Bay) a little bit cleaner.
Open Process and Public Engagement: We want the best ideas and an inclusive open process in the development of this project. So, the Mayor and Council enlisted a volunteer "Green Street Advisory Group" of residents, students, engineers, designers, and representatives from environmental and health organizations to generate ideas, review plans, and advise town officials on the project. The group meets monthly and has issued recommendations on horticulture, design, safety, green business development, alternative energy, among other topics. Most suggestions are already incorporated into the project. All plans and phases of the project are on public view at Town Hall.
Education and Replication: The street will also incorporate a "walking tour" of interpretative signs that describe the environmental features of the street to educate residents, students, and the public. We also plan to make all of the engineering plans and design concepts "open source", available online, so others can utilize, replicate and improve upon the ideas in our project. Our hope is that green streets soon become commonplace.
This initial engineering report, funded by the Chesapeake Bay Trust, was created by the Low Impact Development Center located nearby in Beltsville, MD to examine the stormwater options for a greener Decatur Street. In consultation with the community advisory committee, the Town chose Option 2, which will capture a 1.33” rainfall or 90% of storm events in a typical year. The bioretention treats 62% of the street area and the permeable asphalt bike lanes would treat an additional 28%.
News Flash: On November 24, 2009, the official "Green Street" Groundbreaking Ceremony took place. Click Here for details and photos of the event. On Tuesday November 9, 2010, the "Green Street" project was officially completed and the historic Dedication and Ribbon Cutting ceremony took place with 250 in attendance. Click Here for the event details and photographs. Click here for recent news about this event.