Environmental Update


Woodglen Lake Dredging Ready for Bid

Final design plans are now approved for the dredging of Woodglen Lake.  Construction funding has been formally allocated in the County’s FY2015 budget which begins July 1, and the project is now ready for bid.  County staff will invite potential contractors to a meeting to review the specifications for the project in mid-June and hope to issue the Request for Proposals by the end of June.  Allowing for county staff review and Board approval of the contract, this project should be under construction by October 1.   Contractors will have the option of bidding the project as either a wet dredge (barge in the lake removing sediment) or a dry dredge (drawing down the lake).  Residents interested in seeing a “dry dredge” in process are invited to visit Huntsmann Lake in the Springfield District at: 9150 Dorothy Lane, off the Fairfax County Parkway and Huntsman Blvd.

 

Wakefield Run Stream Restoration Completed

What was once a degraded, eroding and unstable stream is now a restored waterway with meanders and gentle slopes, planted banks, and shorter, more effective rip-rap outfalls. The natural channel design methods used by the team in the Wakefield Run Stream have restored the stream to a gem in the neighborhood.  

Supervisor Cook attended a ribbon cutting ceremonies to mark the completion of this project in Mid-May.

The Wakefield Run Stream Restoration project established a stable channel with meanders and gentle slopes, planted banks, and shorter, more effective rip-rap outfalls along 820 linear feet this tributary.  In addition, the flood plain that was no longer functioning properly due to highly-eroded stream banks has been recreated. The project team installed various structures to slow down the flow of water during flooding events, including root wads, logs, and rock steps and vanes. Imported sand and gravel were used to create a new stream bed. Native vegetation was planted to promote natural reforestation of the site.  Each year the restored stream will prevent 40 pounds of phosphorous, 355 pounds of nitrogen, and 76,000 pounds of suspended solids from entering Accotink Creek. A steel bridge along the Cross County Trail that had been severely eroded was also repaired by the Park Authority.

Events

Fairfax Green & Watershed Friendly
Home and Garden Tour

Sunday, June 8th  | Time: 1 - 5 p.m.

Location:  Burke/West Springfield area  Free.

Hidden treasures and verdant landscapes await you at the Fairfax County Watershed Friendly Garden Tour.  This year’s gardens are clustered in the Burke area, and all are welcome. Don’t miss out on the rain gardens, native plant landscaping, certified wildlife habitat, permeable paving, rain barrels, composting and more. See these techniques and ask the homeowners about their experience installing and maintaining them. Visit as many or as few gardens as you wish. Photos, addresses and descriptions at www.fairfaxcounty.gov/nvswcd/gardentour.htm.  This tour of local environmentally friendly homes can give you some great ideas and show you how beautiful a green home and garden can be!

 

Stream Monitoring - Accotink Creek

Thursday, June 12th | Time: 9:30 - 11:30 am
Location: Lake Accotink Park
Join the Friends of Accotink Creek for a morning of stream monitoring just downstream of the Lake Accotink dam and train trestle! For details, directions and weather postponements, check the volunteer  calendar at http://www.accotink.org, call 703-599-3328 (24/7) and leave a message, or email coordinator@accotink.org.

 

Fishing with Fathers

Saturday, June 14th  | Time: 10:30 am - 12:00
Location: Lake Audubon, Reston
Celebrate Father’s Day at Lake Audubon. Learn fish facts, fishing basics and practice casting. Rods and bait will be provided. Those 16 years of age and older will need a Virginia fishing license available online from www.dgif.virginia.gov. Reserve your spot by June 11 by calling the Walker Nature Center at 703-476-9689 or by emailing naturecenter@reston.org. Cost: $7 for Reston Association members/$9 for non-members.

Technology for Trees, Rain Gardens & Stormwater

Virginia Tech Tree ID Smart Phone App

Virginia Tech Tree Identification brings the award winning Virginia Tech tree information to your Android smart phone. It contains fact sheets for 969 woody plants from all over North America with an in depth description, range map and thousands of color images of leaves, flowers, fruit, twigs, bark and form. Users can narrow the species list for any location in North America using the phone’s GPS, network signal or any entered address or zip code. The app, titled Virginia Tech Tree Identification, is available as a free download on Google Play. More information at: http://www.vtnews.vt.edu/articles/2012/12/122012-cnre-treeidapp.html

 

 Rain Garden Smart Phone App

The UConn Center for Land Use Education and Research (CLEAR) has developed a Rain Garden smart phone app that is now available for download from iTunes. The app is targeted to homeowners and contractors, and leads the user through the proper siting, sizing, construction, planting and maintenance of a rain garden. It includes nifty tools to help the user figure out the proper size of the garden, find out about local soil conditions, get a handle on the price of construction, and customize a plant list that will delight the eye while soaking up stormwater. In addition, there are 6 short video segments explaining various aspects of rain garden care and feeding. The app is only for iPhones at the moment, but there will be an Android version out soon. Also, the imagery and plants are specific to CT, but they are starting work on a national version that will have extensive databases for each area of the country. More information can be found at:  http://nemo.uconn.edu/tools/app/raingarden.htm

 

The National Stormwater Calculator Lets You Estimate Your Stormwater Load

Stormwater runoff is one of the biggest sources of pollution and stream degradation in the DC Metro area. The EPA’s National Stormwater Calculator will allow you to estimate the annual volume of stormwater created on your property and how much you can reduce through the use of Low Impact Development (LID) practices. LID encompasses practices from rain gardens to downspout disconnection. More information here: http://www.epa.gov/nrmrl/wswrd/wq/models/swc/


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