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Faith: We're standing at the top of the
watershed here in a new development
with not a whole lot of pipes in sight.
What's the significance of this
Keith: Well, there are virtually no
pipes. There are a few culvert
crossings here. We've replaced all of
the pipes with this sand bedded, open
stormwater conveyance system, a
regenerative stormwater conveyance
system here. Essentially, the system
you see along the road shoulders and
then what was otherwise going to be
bioretention areas here, are all linked
together in a single train to manage
those water resources.
Faith: And downstream where on the
Jabaz Branch or the Severn Run, you
were mentioning earlier that that's the
last reproducing brook trout population
along the Coastal Plain on the Chesapeake Bay?
Keith: Yes, this is the peninsula
between the two forks of the Jabaz
Branch and in fact, you are correct
there, the Jabaz, those two forks,
support the last reproducing brook
trout population on the Coastal Plain
of the Chesapeake Bay.
Faith: So very important to manage the
water properly in a new development, to
make sure it doesn't negatively impact
the trout downstream.
Keith: Only if we want to have those trout survive.
Faith: Yes, keep them.
Joe: And the real significant value
that this brings, in addition to
meeting minimum management goals, is
for about half of the price of a normal storm-water management system, this development can come in, put these in, have much better landscaping, much better –
Joe: – yes, marketability. And they
don't have to have a stormwater
management pond because peak control
and water quality management are all
done inside of these systems – through
the sand filtration, through the
sequential stilling of the weirs and
Keith: In the conveyance, where
otherwise we have been just piping that
water from one device, one contrivance
to the next, and now we're getting all
those benefits through…
Joe: All along the flow path.
Keith: All along the flow path, exactly.
Faith: Plus the added benefit of the
landscaping that goes along with it.
Faith: It adds a value to the property itself.
Keith: The developer co-presents with
us at conferences and he's got one
slide up there with dollars on it but
he tells the story of-- Why is a
developer interested and using these
techniques? well… the ugly storm-water
management pond, goes away, that's
always the last slot to sell, we get
street side landscaping, and we save 50
percent of our dollars.
Faith: The kind of…
Keith: And aside from that, we've
healed the rift with the environmental
community. They're singing our praises now.
Faith: The kind of win-win situation
between the developers and the
environmentalists, storm-water managers
and eventually down to the fish in the habitat.
Keith: Where we all want to be.
[End of Audio]
Title: Protection of urban headwaters during residential development, Jabaz Branch, Severn, Maryland
Faith Fitzpatrick (U.S. Geological Survey), Keith Underwood (Underwood and Assoc.), and Joe Berg (BioHabitats, Inc.) discuss regenerative stormwater conveyance, sand seepage berms, and swales used in new "green" residential developments to protect important trout habitat in downstream areas.
Location: Severn, MD, Jabaz Branch, USA
Date Taken: 3/22/2011
Video Producer: Douglas A. Harned , National Water-Quality Assessment Program (NAWQA), USGS, North Carolina Water Science Center, Raleigh, NC
Note: This video has been released into the public domain by the U.S. Geological Survey for use in its entirety. Some videos may contain pieces of copyrighted material. If you wish to use a portion of the video for any purpose, other than for resharing/reposting the video in its entirety, please contact the Video Producer/Videographer listed with this video. Please refer to the USGS Copyright section for how to credit this video.
Additional Video Credits:
Faith Fitzpatrick: Scriptwriter, Narrator, Scientist Consultant
Gerard McMahon: Producer
Douglas Harned: Producer, Video, Editor
Alan Cressler: Video
Luke Myers: Video
Keith Underwood (Underwood and Assoc.)
Joe Berg (BioHabitats, Inc.)
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