Fairfax County overview of the Long Branch Central Watershed Project restoration of eight miles of stream to achieve waste load reduction requirements and provide long term stability with less maintenance.

1. A Fairfax County, VA, publication
Department of Public Works and Environmental Services
Working for You!
July 21, 2020
Project Overview
Braddock District
Long Branch Central
Watershed Management Area

2. DPWES Stormwater Planning Division
Project Location
2
Long Branch Central Watershed Management Area
Long Branch Central Watershed
3.71 Square Miles - 8 Miles of Streams
Braddock Road
Little River Turnpike (236)
Capital Betway
(495)
Burke Station Road

3. DPWES Stormwater Planning Division
Project Overview
Project Goals:
• Achieve Long Branch Central TMDL
waste load reduction requirements.
• Provide long-term stability and have
low maintenance.
• Improve water quality within the
Long Branch Central watershed.
• Improve habitat and environmental
health (ecological lift).
3
Long Branch Central Watershed Management Area
Failed Stream Bank: Long Branch near
Olde Creek Elementary School
Degraded Outfall: Long
Branch at Laurel Street

4. DPWES Stormwater Planning Division
Project Scope
Assess:
• ~8 miles of stream
• ~100 outfall
• County maintained SW facilities
(optional task)
Restore:
• ~6 miles of stream
• ~75 outfalls
• Renovate county SW facilities
(optional)
4
Long Branch Central Watershed Management Area
Undermined Concrete Ditch: Long Branch in Smokewood
Park Downstream of Whiteacre Dr

5. DPWES Stormwater Planning Division
Project Schedule
• Begin Assessment – Summer 2020
• Complete Restoration Work Plan –
Winter 2021
• Complete First Construction Plans –
Winter 2022
• Begin Construction – Summer 2022
• Construction Ongoing – Through
2027
• Warranty, Monitoring and
Maintenance – 2023 through 2030
5
Long Branch Central Watershed Management Area
Massive Bank Erosion: Long Branch Tributary in Old Forge Park

6. DPWES Stormwater Planning Division
Who’s Involved
• County Agencies
– DPWES
– FCPA
– NVSWCD
– FCPS
• Design Consultant: Biohabitats, Inc.
• Braddock District Supervisor’s Office
• Identified Stakeholder Groups:
– Friends of Long Branch
– Friends of Accotink Creek
– Earth Sangha
– Stone Haven Civic Association (Canterbury
Woods area)
– Red Fox Civic Association
• Residents
6
Long Branch Central Watershed Management Area
Relative Stability & Bank Erosion:
Long Branch Main Stem Downstream of Guinea Road

7. DPWES Stormwater Planning Division
Next Steps
• Kick off meeting with Biohabitats July
15 at 10 am (MS Teams)
• Agencies designate team members
• Outreach to stakeholders
• Develop data collection work plan
• Develop communications plan
• Capture input
– Agencies
– Residents
– Stakeholders
• Develop Project Implementation Plan
• Implement
7
Long Branch Central Watershed Management Area
Undermined Trail Culvert:
Long Branch Tributary Between Rockcrest Dr & Braeburn Dr

8. DPWES Stormwater Planning Division
Discussion
Discussion & Questions
8
Long Branch Central Watershed Management Area
Old Grade Control Structure: Long Branch Main Stem
Canterbury Woods Downstream of Woodland Way

9. Additional Information
For additional information, please contact
www.fairfaxcounty.gov/publicworks
Long Branch Central Watershed Management Area
Charles Smith
(703) 324-2467, TTY 711
charles.smith@fairfaxcounty.gov
DPWES Stormwater Planning Division 9