green infrastructure

Green Streets: A Road to Clean Water

by Tom Damm

As seen from my cubicle, the project is nearing completion.

As seen from my cubicle, the project is nearing completion.

The busy backhoe operating outside my cubicle window in Center City Philadelphia offers the latest and, for me, the loudest evidence of the work communities are doing to turn their main streets into more absorbent green streets.

In this case, the far sidewalk along the signature Benjamin Franklin Parkway from 16th to 19th streets near City Hall is getting churned up as the Philadelphia Water Department makes room for a greener walkway with a system to capture stormwater in a series of underground storage and infiltration trenches.

When completed, rain from a storm will flow into a “green inlet” that leads to the underground trenches and either infiltrate through the natural subsoil or be stored and then released back slowly into the sewer system.  The trenches will help prevent the combined sewage/stormwater system from getting inundated and spilling its contents into local waters.

Green streets are catching on in the mid-Atlantic region as a way to alleviate flooding, prevent sewer overflows and give an economic and aesthetic lift to downtown blocks.

EPA and its state and non-profit partners are helping to create green streets in big cities like Philadelphia, Baltimore and the District of Columbia, and smaller communities like the port towns along the Anacostia River.

The Borough of Etna, just outside Pittsburgh, last week earned a Governor’s Award for Environmental Excellence for its Green Streetscape Initiative.  That project, supported with EPA funds, is transforming the borough’s flood-prone downtown with green techniques to intercept runoff from rooftops and paved surfaces.  The borough manager says she no longer introduces herself at meetings as Mary Ellen from “Wetna.”

Other communities are tapping into the novel Green Streets, Green Jobs, Green Towns (G3) program – an EPA partnership with the Chesapeake Bay Trust, supported by the Maryland Department of Natural Resources.  In its first five years, the G3 program has provided more than $6 million and leveraged an equal amount in matching funds for green street design, construction and research.

Check out this new EPA video highlighting a few of the existing green streets projects and the people behind them.

 

About the Author: Tom Damm has been with EPA since 2002 and now serves as communications coordinator for the region’s Water Protection Division.

Editor's Note: The opinions expressed here are those of the author. They do not reflect EPA policy, endorsement, or action, and EPA does not verify the accuracy or science of the contents of the blog.

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Green Infrastructure: Innovative Solutions to Stormwater Pollution

By Barbara Pualani

EPA identifies stormwater as the number one threat to our waterways. Stormwater pollution is the result of development and the heavy use of impervious materials, such as concrete and metals, in our everyday construction. These surfaces discourage water from soaking into the ground, so when it rains, stormwater runs off these surfaces and into our water bodies, carrying solid waste and pollution with it. Green infrastructure provides an effective solution to the stormwater pollution problem by taking advantage of nature’s inherent properties. By using pervious surfaces that allow water to soak into the ground, pollutants can be filtered out before entering waterways. In a joint project, Nassau County Soil and Water Conservation District and New York State Department of Environmental Conservation produced an educational film “Stormwater Pollution and Green Infrastructure” (shown below), in order to highlight this very important issue. Director of the Clean Water Division at EPA Region 2, Joan Matthews, featured in the video, touts the success of green infrastructure projects everywhere – “green infrastructure works and it helps to reduce pollutants.” Watch, learn, enjoy – we all have a role to play in reducing stormwater pollution.

To learn more and for more stormwater education resources, visit: www.NassauSWCD.org

About the author: Barbara Pualani serves as a speechwriter for EPA Region 2. Prior to joining EPA, she served as a Peace Corps Volunteer in the Dominican Republic. She resides in Brooklyn and is a graduate of University of Northern Colorado and Columbia University.

Editor's Note: The opinions expressed here are those of the author. They do not reflect EPA policy, endorsement, or action, and EPA does not verify the accuracy or science of the contents of the blog.

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Go With the Flow—Green Infrastructure in Your Neighborhood

By Chris Kloss

Ten years ago, we didn’t see much green infrastructure for water resources around our neighborhoods. It was more of a novelty than a focused approach to sustainable development and construction. A few cities started using and experimenting with green infrastructure techniques such as rain gardens, permeable pavement, and bioswales which are landscape elements designed to remove silt and pollution from surface runoff water. The green was a complement to the gray infrastructure, the established system of underground tunnels and sewers. Together, green and gray infrastructure provided a holistic approach to manage stormwater for cleaner water.

Tools, Strategies and Lessons Learned from EPA Green Infrastructure Assistance Projects booklet coverAs the word spread about the early successes of these communities, a growing cadre of public works pioneers joined the movement to apply its principles and techniques to managing their water resources. EPA joined in their discussions, providing support to these pioneers through our technical assistance program. Today, EPA is releasing a summary report of the results from this program that we hope leads to even greater growth in green infrastructure.

Tools, Strategies and Lessons Learned from EPA Green Infrastructure Assistance Projects 

Many of the green infrastructure thinking and practices we see today are not new. Gardens, rain barrels and permeable pavement were standard practices for harnessing and managing water hundreds of years ago. They were old-time technology that let water do what it naturally does —seep back into the earth where it can flow back naturally to streams and rivers, replenish groundwater, or be absorbed by plants and trees.

Communities are now relearning these techniques, and green infrastructure is working for communities across the urban spectrum, from smaller cities like Clarksville, Georgia to midsized, midwestern cities like Milwaukee, Wisconsin and large metropolitan regions like Los Angeles, California.

The summary document outlines how these and other community green infrastructure projects are successful. It also highlights benefits, offering examples for city managers to think creatively about how they can design their communities for better health, abundant water resources and improved quality of life.

We can all be part of better design for our communities. It just takes a different way of looking at things. When I’m out with my kids, I talk about how when it rains the water runs off streets, parking lots and other hard surfaces and flows down the stormwater drains into the sewer systems where it can’t be used for anything else. Now armed with the information, they’re always on the lookout for the missed opportunities in our neighborhood for letting the water go where it wants to, where it can do the most good for the watershed where they live.

I hope this report contributes to a movement where green infrastructure becomes standard practice. Every time we set out to design or build, repair or remodel our water systems let’s remember to think green infrastructure and let water do what it naturally does.

Learn more at www.epa.gov/greeninfrastructure and check out the 2016 Green Infrastructure Webcast Series for in-depth presentations throughout the year.

About the Author: Chris Kloss is Acting Chief of the Municipal Branch in EPA’s Office of Wastewater Management. The branch oversees the wet-weather permitting programs (stormwater, combined sewer systems, and sanitary sewer systems) and the green infrastructure program. Chris has nearly 20 years of experience in the clean water field including time in the private and nonprofit sectors prior to joining EPA.

Editor's Note: The opinions expressed here are those of the author. They do not reflect EPA policy, endorsement, or action, and EPA does not verify the accuracy or science of the contents of the blog.

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Building Bridges: Environmental Justice

By Andrew Geller, Ph.D.

I know I’m not alone in that I’ve found my mind wandering a bit this week eagerly anticipating my plans for Thanksgiving festivities. Whether you are like me and will be travelling to visit family elsewhere, or rushing to get a big bird in the oven in time for hosting others, the best part of Thanksgiving is seeing friends and family.

And of course, catching up always includes talking about what we’ve been up to at work over the past year or so.

As an EPA scientist immersed in the broad, and sometimes hard-to-explain arena of research designed to advance sustainable and healthy communities, I find Thanksgiving a good opportunity to hone my science communication skills. Once I remember to drop the acronyms and jargon and engage my 90-plus-year-old father in a casual conversation about EPA research, I know I’ve done a good job.

Just this week, I got an assist from my local paper. The headline in the Durham Herald-Sun immediately grabbed my attention: “Community activists tackle ‘environmental justice’ issues in Durham.”

Providing data and scientific tools to advance environmental justice—ensuring that every community enjoys the same degree of protection from environmental and health hazards and has equal access to the decision-making processes it takes to have a healthy environment—is a top EPA priority.

As the article points out, moving environmental justice from a process to action depends on resources such as visualization tools that communities and other stakeholders can use to pinpoint how particular neighborhoods might be disproportionately impacted by proposed actions.

EnviroAtlas showing urban tree cover of Durham, NC.

EnviroAtlas showing urban tree cover of Durham, NC.

EPA’s researchers are delivering just those kinds of resources. For example, our EnviroAtlas is a web-based mapping tool built on a robust platform of more than 300 data sets that help users explore place-based environmental conditions and impacts. It is designed to help us all to see and make decisions about the many benefits we derive from natural ecosystems themselves and in relation to our built environment and the people who live in a community.  The Eco-Health Relationship Browser, part of EnviroAtlas, illustrates scientific evidence for linkages between human health and ecosystem services.

Users can use both of these resources, and others, to see how local conditions differ from surrounding areas, and to find potential solutions to existing challenges.

One place that has already made great progress is the Proctor Creek neighborhood in Atlanta. The city and local civic groups partnered with EPA’s Regional Office and Agency researchers to conduct a Health Impact Assessment, a systematic process to guide investigations on how to maximize the health and well-being benefits (or minimize the detrimental impacts) of a proposed action.

In the case of Proctor Creek, EPA researchers and the Region produced a Health Impact Assessment to help the community reduce flooding and the contamination associated with combined sewer overflows through the use of innovative techniques that increase or mimic the natural ability of ecosystems to absorb and cleanse storm water runoff, collectively known as “green infrastructure.”  This solution has the added benefit of adding shade and green space to sun-baked streets, increasing walkability and the attractiveness of the area to local businesses to raise the local economy.

Those are just a couple of examples that I can point to where EPA research is advancing environmental justice and making a visible difference in communities. I’m eager to share more here on the blog, and even with local reporters, in the near future. But first I have to pack for a trip to see the family.

About the Author: Dr. Andrew Geller is the Deputy National Program Director for EPA’s Sustainable and Healthy Communities (SHC) research program and lead author on EPA’s Environmental Justice Research Roadmap.  Dr. Geller led SHC’s strategic planning effort to develop science and tools to help communities identify and reach sustainability goals.  Andrew can often be found riding a bike across the trails, fields, or roads of Durham NC and the surrounding area.

 

 

 

Editor's Note: The opinions expressed here are those of the author. They do not reflect EPA policy, endorsement, or action.

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Walk your waterway today!

by Virginia Thompson

A view from the trail, high above the Schuylkill River

A view from the trail, high above the Schuylkill River

There’s nothing better than going for a walk in the fall to take in the cool, crisp autumn air.  We are fortunate that Southeastern Pennsylvania has an abundance of trails along the region’s waterways that make it fun and easy to explore a wide variety of scenic, historic, and cultural resources.

Along the Schuylkill River, the Cynwyd Heritage Trail demonstrates that these trails offer more than waterfront recreation: they also provide economic development, opportunities for regional coordination, and improved air quality.  The recently opened Manayunk Bridge, connecting the Cynwyd Heritage Trail – an abandoned portion of a rail line – to the Manayunk section of Philadelphia, now offers residents in both areas easier access to restaurants, parks, shops, and services, along with a breathtaking view from high above the river.  What used to be an area of manufacturing on both sides of the Schuylkill River (including the road that would become the Schuylkill Expressway) has given way to growing communities of residents, recreational opportunities, restaurants, and more. A weekly farmers’ market is now located on the Cynwyd side of the bridge, accessible to both city and suburban residents. Interpretive signs along the trail provide photos and descriptions of the history and geography of the area with information from the Lower Merion Historical Society.  The trail even incorporates green infrastructure: the Pennsylvania Horticultural Society will plant a rain garden of native flowers and shrubs in a striking palette of colors to help prevent stormwater run-off.

The trail provides easy access to all of these amenities without use of a car!  Perfect for walkers, bikers, and strollers, the trail is such a direct path between Cynwyd and Manyunk that it is now shorter and easier to walk or bike than drive between the two areas. Less traffic means cleaner air. And as we’ve blogged before, cleaner air contributes to cleaner water, too.

The Cynwyd Heritage Trail is one of many that connect to a large regional trail network that is part of the East Coast Greenway. Many of the Pennsylvania segments of this trail network snake along waterways like Darby Creek, Cobbs Creek, and the Delaware River. As more trails are built and connect to this network, more travelers can choose to walk or bike, further reducing the number of automobile trips and helping to clean our air.

I am looking forward to more walks–in all seasons–to explore the rich trail system and the waterways of the Philadelphia area.

 

About the Author:  Virginia Thompson works at EPA Region 3 to help protect the natural resources of our country.  She enjoys walking and biking whenever and wherever she can.

 

 

Editor's Note: The opinions expressed here are those of the author. They do not reflect EPA policy, endorsement, or action, and EPA does not verify the accuracy or science of the contents of the blog.

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Work That Matters to Me: Building Trust, Greener Communities

Introduction by Kathleen L. Fenton

David Doyle is a public servant’s public servant. I’ve known Dave for 24 years and if you have a “federal agency” question, Dave will either know the answer or the person to call to help you. He has mentored many of us at EPA about the intricacies of community work, and has truly “woven straw into gold” for many communities with the limited, complicated funding and layers of federal and state resources applicable to them. Dave turns over every stone and has left in his wake a sustainable legacy.

By David Doyle

A tornado devastated Greensburg, Kan. on May 4, 2007.

Aftermath of Greensburg tornado

It’s June 2007, and I’m sitting under a large red-and-white tent in Greensburg, Kan., feeling a little disoriented and anxious. I was told a week before that I had been assigned to work with the Federal Emergency Management Administration (FEMA) on developing a long-term recovery plan for the community that was wiped out by a tornado a month earlier. Once I drove to Greensburg and located the FEMA trailer, their recovery staff directed me to a community meeting.

It must have been 100 degrees under that tent. With huge fans trying to cool the place and only adding to the noise and confusion, I suddenly heard the speaker on the platform say, “EPA’s here to help.” I wasn’t sure what kind of reaction I would get from the audience in southwestern Kansas, but as I stood up and meekly waved, I got nothing but cheers and applause. I was relieved by that reaction, but I sat down wondering what I was going to do next.

Emergency response personnel make plans in the aftermath of the tornado that devastated Greensburg, Kan., on May 4, 2007.

Greensburg community meeting 

What I had learned up to then in working with communities is that building trust is by far the most important thing to do. I also understood that being patient with people, listening to their concerns, and being honest and responsive to their needs are key things to keep in mind. Work I had done in Stella, a southwestern Missouri town with a population of 150, prepared me to some extent for what I was asked to do in Greensburg.

EPA had performed a “miracle” in Stella, as described by some of the residents, by demolishing an abandoned hospital that sat in the middle of their downtown, using our authority under the Superfund law. We then brought in architectural students from Kansas State University to design reuse plans for the site and later developed a master plan for the community. The local officials recognized my work, along with other EPA staff, by presenting us with award plaques hand-carved from local walnut trees during the annual Stella Days Fair.

In Greensburg, we decided to form a “Green Team” that came up with recommendations for turning it into the greenest community in the country. The team had representatives from the business community, school district, and a number of local citizens, along with representatives from several state and federal agencies. We met on a regular basis to bounce ideas off each other. Our recommendations were incorporated into FEMA’s Long-Term Community Recovery Plan, and all of them were eventually adopted by the city council and implemented.

The redeveloped Greensburg, Kan., now has more LEED Platinum buildings than any other community in America.

Redevelopment in Greensburg, the greenest community in America

The most important recommendation adopted was that all new municipal buildings over a certain size had to be built to meet Leadership in Energy & Environmental Design (LEED) Platinum standards, the highest certification level for new buildings. As a result, Greensburg (population 800) now has more LEED Platinum buildings than any other community in the United States.

Since my time in Greensburg, I have provided assistance to many other communities here in the Heartland. These collaborative efforts resulted in a new medical clinic surrounded by new businesses in Ogden, Iowa; plans for a new sustainable downtown in Sutherland, Neb.; redevelopment of former gas stations in south St. Louis; new, complete streetscapes in Lincoln, Neb.; plans for a mixed-use neighborhood in Iowa City, Iowa; and improvements in other communities.

I still remember those hot, windy and dusty days in Greensburg when a local citizen named Jack would often come up to me with a big smile on his face, shake my hand, and say how much he appreciated EPA being there and helping out.

About the Introducer: Kathleen Fenton has worked with communities on environmental health issues, environmental education grants, and Healthy Schools projects for over 20 years.

About the Author: David Doyle serves as the Sustainable Communities Coordinator at EPA Region 7. David has a Bachelor of Science in environmental engineering from Syracuse University, and a Master of Science in environmental health engineering from the University of Kansas.

Editor's Note: The opinions expressed here are those of the author. They do not reflect EPA policy, endorsement, or action, and EPA does not verify the accuracy or science of the contents of the blog.

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What Do a Parking Lot, Stormwater Runoff and A Rain Garden Have In Common? Happy Plants and Healthy Streams

 

By Andre Bowser

Display explaining the rain garden at EPA’s Edison, NJ facility.

Display explaining the rain garden at EPA’s Edison, NJ facility.

On the surface, it appeared like an ordinary parking lot to me. But off to the sides, a lush wellspring of plants and flowers were bowing in the summer breeze.

Little did I know that it was the stage of a Rain Garden Demonstration Site at the U.S. Environmental Protection Agency’s Edison, N.J. installation. This of course is no secret; the EPA touts similar urban ecological models as a matter of good business, just as the Edison site had been oft-touted. But it was news to me – a newbie at EPA in New York.

During a recent summer business trip to Edison from my office in the Big Apple, I literally stumbled on a display that explained why a veritable garden surrounded the parking lot behind me. After tripping on the curb, I reached out and steadied myself on the fixture. I thought it odd that a museum-quality display would be positioned next to a nondescript parking lot.

The display detailed the multi-layered story of the parking lot behind me: how water runoff from rain is routed to nearby plants; how the gravel is waterproof to assist in efficiently shepherding the vital resource; and how the water ultimately ends up in our groundwater, underground wells and springs.   And then there’s the myriad technical benefits, such as helping EPA study “how rain gardens help mimic natural drainage processes” and how they reduce the amount of stormwater runoff that enters the storm sewage systems, according to the display. The site demonstrates how, by reducing the amount of stormwater through a natural filtration process, we reduce the amount of pollutants in our water.

Above all, it’s just plain beautiful. And that such an industrially driven edifice as a parking lot could act as a buoy for plant life – through a symbiotic relationship with nature – is ecological-poetic justice.

Rain water runoff is routed to nearby plants.

Rain water runoff is routed to nearby plants.

For the ingenuity and vision behind the site, the display gives the credit to “research efforts between EPA’s Office of Administration and Resources Management, Region 2, and the Office of Research and Development.” But let’s also give it up to the beautiful plant life at the site, including Red Maple and Dogwood trees; Switchgrass and Common Rush; Highbush, Blueberry and Beach Plum shrubs; Blue Flag, Sunflower and Golden Zizia herbs, among many others, which are all native to Mid-Atlantic rain gardens.

States like New York and New Jersey have long lauded the positive ecological effects of rain gardens. According to EPA’s New York-state counterpart, the Department of Environmental Conservation, “stormwater running off rooftops, sidewalks, driveways, and streets washes pollutants into nearby streams. As if that weren’t bad enough, as stormwater rushes over these hard-or impervious-surfaces, it picks up speed and force, causing local flooding and erosion.”  (Click on the link above to learn how to make a miniature rain garden.)

Back in Edison, N.J., the parking lot, stormwater runoff and rain garden are contributing to healthy plants, and that’s just the positive effect happening on the surface. Dig a little deeper, and you’ll find healthy groundwater finding its way to underground wells, and eventually streams.

About the Author: Andre Bowser is the director of the Public Affairs Division in EPA’s Region 2. Contact him by e-mailing bowser.andre@epa.gov.

Editor's Note: The opinions expressed here are those of the author. They do not reflect EPA policy, endorsement, or action, and EPA does not verify the accuracy or science of the contents of the blog.

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Fresh and Clean, or Fresh and Green?

by Matt Colip

O Street NW, in DC, was revitalized to control stormwater  with 33 individual rain gardens built with native plants.

O Street NW, in DC, was revitalized to control stormwater with 33 individual rain gardens.

I’ve always enjoyed walking along new city streets.  The sidewalks are crisp and clean, free from chewing gum and spill marks.  There are no chassis-rattling potholes in the road.  It’s reminiscent of the new car feel, everything seems minted.

In Washington, D.C., and a growing number of communities in EPA’s Mid-Atlantic Region, residents and businesses are getting a bonus when it comes to new road construction – green features to control stormwater runoff.

The nation’s capital, like many older cities in the United States, is faced with the perpetual challenges of revitalizing streets and managing a combined sewer system that mixes stormwater and sewage into large underground pipes that feed the wastewater treatment plant.  The challenge for city governments is that residents want the fresh and clean feel on their streets, and a guarantee that their sewage will reach the treatment plant and not overflow into a river because too much stormwater has flooded the system.  To meet these demands, the District, under the leadership of Mayor Muriel Bowser, has chosen to build fresh and clean streets that are also fresh and “green.”

I accompanied our EPA Regional Administrator, Shawn M. Garvin, recently as he helped cut the ribbon for one of the District’s newest green street projects – this one along the 200 block of O Street NW, a street that has been closed to traffic since 1977.

In addition to integrating green infrastructure into street rehabilitation, the revitalized O Street now includes 33 individual rain gardens along the sidewalks that are landscaped with native plants. These rain gardens capture the runoff from an area 5,732 square feet in size – about 20% bigger than a standard basketball court – and keep the water out of the sewer system.  Rainwater and sewage that flows into this part of the District’s sewer system risks overflowing into the Anacostia River.  The more stormwater that is diverted from the combined sewer system, the less likely an overflow will occur into the river.

Not only does O Street now capture rainwater, it will have a new tree canopy from the trees planted street along its sidewalks.  These trees will also slurp up stormwater, keeping it from entering the sewer system, and eventually provide shaded areas.  This shade will reduce the heat island effect of the black asphalt.  Overall, the street looks great!

This work was funded in part through the U.S. Environmental Protection Agency’s Green Streets, Green Jobs, Green Towns (G3) initiative, a program administered by EPA and the Chesapeake Bay Trust. The green infrastructure approach of the partners in this project – the District’s Departments of Energy & Environment, Transportation, and General Services – supports the G3 program goals of improving water quality, community livability and economic vitality.

 

About the author: Matt Colip is a state and congressional liaison in the region’s Office of Communications and Government Relations. He previously worked in the region’s water programs, enforcing wastewater and stormwater regulations. In addition to SCUBA diving, Matt is an avid bicyclist and enjoys riding with friends and colleagues.

 

Editor's Note: The opinions expressed here are those of the author. They do not reflect EPA policy, endorsement, or action, and EPA does not verify the accuracy or science of the contents of the blog.

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Making a Difference through Green Streets Funding

 EPA, the Chesapeake Bay Trust and MD DNR announced $727,500 in grants to 15 organizations via the Green Streets, Green Towns, Green Jobs Grant Initiative

EPA, the Chesapeake Bay Trust and MD DNR announced $727,500 in grants to 15 organizations via the Green Streets, Green Towns, Green Jobs Grant Initiative

by Tom Damm

Transforming lives is something Sarah’s Hope in Baltimore does every day as an emergency homeless shelter for families.

But this week, the focus at the safe haven was on a different type of transformation: replacing the asphalt and concrete on the property with an environmentally friendly community green space and outdoor playground area.

Earlier this week, EPA Regional Administrator Shawn M. Garvin was at Sarah’s Hope to join partners in announcing funding for a key phase of the project.

A $75,000 grant from the Green Streets, Green Jobs, Green Towns (G3) program will be used to tear up the hard surfaces in front of the property that during storms send rain water rushing into the street and drains, leading to flooding and pollution problems.   The surfaces will be replaced with lawn, shade trees, native plants, and other green features that will let the rain soak in and provide a welcome lift to this troubled neighborhood.

The atmosphere at the event was upbeat as the project partners, Parks & People Foundation, the City of Baltimore and St. Vincent de Paul, described their plans for the facility.

The G3 grant will tie into a larger Baltimore City project to create public open space, a playground area and a community garden at the site, which is now almost fully covered with impervious surface.  The work will improve the property for shelter residents and the community at large, and transform the appearance of the Sandtown-Winchester neighborhood.

Many of the other grantees were also on hand at the event to talk about how the G3 funds will help expand urban tree canopies, create bioretention cells to capture stormwater, and install other types of green infrastructure in neighborhoods in Maryland, Pennsylvania, and Virginia.

By keeping rain water from coming into contact with pollution in the first place, green infrastructure improves the health of our waters, while effectively reducing flooding, and helping our communities adapt to the very real challenges of climate change.

The G3 program – sponsored by EPA, and the Chesapeake Bay Trust, with assistance from the Maryland Department of Natural Resources – is in its fifth year. In this latest round of grants, 15 recipients will share in more than $727,000 in funding –  bringing the total aggregate investment in G3 grants to more than $11 million when matching funds are included over the five-years that the program has been in existence.

 

About the Author: Tom Damm has been with EPA since 2002 and now serves as communications coordinator for the region’s Water Protection Division.

 

Editor's Note: The opinions expressed here are those of the author. They do not reflect EPA policy, endorsement, or action, and EPA does not verify the accuracy or science of the contents of the blog.

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More than Tunnel Vision

by Jennie Saxe

Green roof at Ft. Reno reservoir.

Green roof at Ft. Reno reservoir

A few months ago, we blogged about the massive engineering project to construct tunnels beneath the District of Columbia using giant tunnel boring machines. These tunnels are being constructed to hold onto stormwater and reduce combined sewer overflows, which can result in harmful bacteria in the District’s waterways.

“Gray” solutions, like tunnels and treatment plant upgrades, are not the only part of the District’s plans. Last week, EPA officially gave the green light to DC Water’s plans to add a significant amount of green infrastructure to the mix to protect the Potomac and Rock Creek watersheds. Fittingly, this announcement was made atop the green roof at DC Water’s Ft. Reno reservoir. Using green with gray provides stormwater management capacity while creating a healthier urban environment. In addition, the implementation of these green infrastructure projects will result in water quality benefits during the installation process.  This is very different from grey infrastructure where the benefit is only realized at completion of construction.

To follow the progress of the Clean Rivers project, check out DC Water’s Clean Rivers Project website, or follow the tunnel boring machines – Nannie, Lady Bird, and Lucy – on Twitter.

 

About the author: Dr. Jennie Saxe joined EPA’s Mid-Atlantic Region in 2003 and works in the Water Protection Division on sustainability programs.

 

Editor's Note: The opinions expressed here are those of the author. They do not reflect EPA policy, endorsement, or action, and EPA does not verify the accuracy or science of the contents of the blog.

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