Mason Neck West Park Pond Retrofit July 2015

1. A Fairfax County, VA, publication
Department of Public Works and Environmental Services
Working for You!
Mason Neck West Park Pond Retrofit
Contract Number CN14316090
Project Number SD-000017-003
Task Order No. 20
Mount Vernon District
July 28, 2015

2. MASON NECK WEST PARK POND RETROFIT
Capital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction Branch

3. Project Details
Mason Neck West Park Pond Retrofit Project
Capital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction Branch
Description:
The Mason Neck West Park Pond Retrofit project was substantially completed on May 1, 2015. The project consisted of
retrofitting the stormwater pond to improve water quality and to increase the volume of the pond to hold more water.
Project Overview:
• Retrofit the existing stormwater pond to increase capacity and improve water quality
• Extend the inflow paths throughout the pond to the maximum extent possible
• Installation of forebays to remove sediment as stormwater enters the facility
• Construct wetlands in the pond bottom where plants will further remove sediment and take up nutrients
• Planted native plants, trees and shrubs to promote reforestation
• Reduction of 23 lbs of total nitrogen per year, 5 lbs of total phosphorus per year, and 975 lbs of sediment per year
Project Team:
• Stormwater Planning Division – Vivian Bui
• Urban Forest Management Division - Hugh Whitehead
• Utilities Design and Construction Division- Dave Becker, Howard Champ

4. Capital Facilities/ Utilities Design and Construction Division/Transportation and Stormwater Construction Branch
Old Colchester Road – Tax Map #113-4
Mount Vernon District
PROJECT SITE
Mason Neck West Park Pond Retrofit

5. Capital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction Branch
View Looking South-East Towards Pond
Mason Neck West Park Pond Retrofit

6. Capital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction Branch
Mason Neck West Park Pond Retrofit
View Looking North-West Towards Pond

7. Before After
Mason Neck West Park Pond Retrofit
Capital Facilities/ Utilities Design and Construction Division/Transportation and Stormwater Construction Branch

8. Additional Information
For additional Information, please call
www.fairfaxcounty.gov/dpwes
Mason Neck West Park Pond Retrofit
Capital Facilities/Utilities Design and Construction Division/Transportation and Stormwater Construction Branch
Irene Haske, Public Information Officer
703-324-5821, TTY 711
SWPDmail@fairfaxcounty.gov