DPWES Projects

The Department of Public Works and Environmental Services (DPWES) builds and maintains safe, reliable infrastructure that protects public health and the environment, improves quality of life for residents. Capital Facilities refers to the construction of publicly-funded governmental facility projects such as libraries, courts, police and fire stations, and infrastructure improvement projects such as roads, sanitary sewer extensions, walkways, bus stop shelters and storm water management improvement projects.

Spotlight Projects

DPWES has selected the following projects to provide detailed information regarding background, benefits, and what to expect.

Project Name Image Description Type District *
Accotink Creek Tributary at Carrleigh Parkway (AC82-0015)  The project will restore approximately 2,400 linear feet of unstable stream channel to minimize erosion and sediment loss, protect public infrastructure, and enhance site ecology. Stormwater Projects Braddock District
Accotink Gravity Sewer Improvements Project  The county has been studying future flow projections for the northern Fairfax County area and has compared these projections to current available capacity. Wastewater Projects Hunter Mill District
Accotink Tributary at Danbury Forest Stream Restoration (SD000031-179)  The project will restore approximately 4,000 linear feet of a tributary to Accotink Creek within the Danbury Forest neighborhood, upstream of Lake Accotink. Stormwater Projects Braddock District
Carderock / Scotts Run Sewer Rehabilitation Project (WW-000026-004)  The Carderock / Scotts Run Sewer is a 24-to-30-inch sewer that conveys flow from Fairfax County to the District of Columbia Water and Sewer Authority (DC Water) Potomac Interceptor (PI). Wastewater Projects
Circle Woods Sec 3 (0217DP) Pond Improvement  The maintenance project will include necessary repairs to the existing Circle Woods Sec 3 (0217DP) detention pond dam and replacement of the pond’s control structure. Stormwater Projects Providence District
Colvin Run Phase II at Lake Fairfax Park Stream Restoration  This project will restore about 4,454 feet of stream channels in Lake Fairfax Park using a large amount of woody debris in floodplains, reconnecting the stream to its floodplain where possible, and employing multiple unique engineered grade control struc Stormwater Projects Hunter Mill District
Covanta Force Main Replacement  The work to be completed for the Covanta Force Main Replacement project consists of replacing approximately 2,600 LF of the existing 8” Ductile Iron Pipe (DIP) force main with 8” HDPE from the Covanta Pump Station valve vault to the Lorton Road’s ROW. Wastewater Projects Mount Vernon District
Crook Branch at Mantua Elementary School (SD-000031-135)  The project includes restoration of approximately 2,800 linear feet of Crook Branch, its tributaries, stormwater outfalls and the floodplain. Providence and Mason Districts. Stormwater Projects
Dead Run at Georgetown Pike Stream Restoration (SD-000031-230)  The project includes restoration of approximately 5,600 linear feet of Dead Run, its tributaries, stormwater outfalls and the floodplain within the stream valley between Churchill Road and Georgetown Pike. Stormwater Projects Dranesville District
Difficult Run Pump Station Grit Mitigation and Odor Control Improvements Project  The goal of this project is to reduce grit accumulation in the Difficult Run Pump Station and the associated force main, to provide odor control, and to increase the pumping capacity at the pump station. Wastewater Projects Hunter Mill District
Difficult Run Tributaries and Basins Restoration at Government Center  This project will consist of approximately 1,600 linear feet of stream restoration using Natural Channel Design (NCD) standards and dredging of two amenity ponds to improve stream health and water quality. Stormwater Projects Braddock District
Dogue Creek at Old Mill Road (SD-0000031-256)  The project will restore approximately 2,800 linear feet of stream channel. The existing channel is unstable as evidenced by raw stream banks and the widening stream channel. Stormwater Projects Mount Vernon District
Franconia Governmental Center and Kingstowne Regional Library Project  This new, combined facility will be approximately 90,000 square feet and offer structured parking and easy access. It will house the Franconia Police Station in approximately 28,000 square feet, the Franconia District Supervisor’s Office in ... Building Projects Franconia District
Headwaters of Popes Head Creek at Brecon Ridge Subdivision Stream Restoration Project  The project will restore approximately 3,000 linear feet of Popes Head Creek, stabilize stormwater outfalls, and re-establish the stream valley floodplain connection and riparian corridor. Stormwater Projects Springfield District
Hickory Hollow Lane Roadway Improvements  Improve Hickory Hollow Lane, to raise the roadway, install four culverts, pave the roadway with two 9-foot-wide paved lanes and 6-foot shoulders at the stream crossing and install guardrail at the stream crossing. Transportation Projects Providence District
Indian Run Gravity Sewer Replacement Project (WW-0000028-002-F)  The project involves the installation of new sewer mains near the Columbia Road and Montgomery Street intersection and crossing the Birch Lane cul-de-sac. Approximately 640 feet of existing gravity sewer will be abandoned or removed. Wastewater Projects Mason District
Judicial Complex Redevelopment  The Judicial Complex is a 47.8 acre portion of Fairfax County surrounded by the City of Fairfax. The new Master Plan provides the County with a 20-year road map for future growth and development of the site. Based on the recommendations in the Master ... Building Projects Providence District
Kent Garden Neighborhood Stormwater Improvement Project  This neighborhood stormwater improvement project will evaluate the existing concrete channel that conveys the majority of flow in the neighborhood and will improve the capacity of the system thereby reducing localized flooding and addressing public safety Stormwater Projects Dranesville District
Lake Accotink Dredging (AC89-0009)  This project will remove about 500,000 cubic yards of sediment from Lake Accotink and establish an ongoing maintenance dredging program. Stormwater Projects Braddock District
Lake Barcroft Odor Control Project  The goal of the project is to mitigate sewer related odors along an approximate one-mile-long area within the Holmes Run Stream Valley Park south of Columbia Pike. Wastewater Projects Mason District
Lakevale Estates Collection Improvements Project  The Lakevale Estates Pump Station was identified for rehabilitation due to its age and was upgraded in 2019. Due to power failures at the pump station the system was overwhelmed, and residents experienced backups. Providence and Hunter Mill. Wastewater Projects Providence District
Langley School Pump Station and Force Main Project – Phase 2 – Chain Bridge Road Gravity Sewer Capacity Improvements  The overall project description will include the complete replacement of the existing 0.42 MGD pump station. Most all the mechanical equipment is over 20 years old and is highly corroded. The existing electrical building is a little undersized to hold the Wastewater Projects Dranesville District
Lincoln-Lewis-Vannoy (LLV) System Improvements – Phase I  The intent of phase I of this project is to reduce system pressure and the risk of sewer main breaks. A review of the system determined a segment of 4-inch pipe between manhole MH 066-2-016 and a point where the flows from Lewis Park combine with the flow Wastewater Projects Braddock District
Little Hunting Creek Force Main Replacement Project  The Little Hunting Creek Force Main consists of 30-inch diameter prestressed concrete cylinder pipe (PCCP) and ductile iron pipe (DIP), constructed in the mid-1970s. Wastewater Projects Mount Vernon District
Little Hunting Creek Sanitary Sewer Replacement Project  A 789-foot sanitary sewer pipe that runs beneath Little Hunting Creek between Woodland Lane and Thomas J. Stockton Parkway will be replaced. Wastewater Projects Mount Vernon District
Little Pimmit Run at Chesterbrook Road Stream Restoration and Sanitary Sewer Realignment  Little Pimmit Run Stream Restoration at Chesterbrook Road includes an assessment and improvements of approximately 7,500 linear feet of pipes. The Sanitary Sewer Realignment includes elimination of five sanitary sewer crossings. Wastewater Projects Dranesville District
Little Pimmit Run Tributary at Woodland Terrace Stream Restoration (SD-000031-234)  The project will restore up to approximately 1,000 linear feet of an unnamed tributary to Little Pimmit Run between Forest Lane and North Albemarle Street in McLean. The drainage system at Chesterbrook Road and North Albemarle Street has a history of drai Stormwater Projects Dranesville District
Long Branch Central Watershed Management Area Project  This project will restore about 34,000 linear feet of stream in the watershed which runs from Maple Avenue on the west to Wakefield Chapel Road on the east. Stormwater Projects Braddock District
Long Branch North at Arlington Blvd and Robin Ridge Court Stream Restoration (SD-000031-219)  The project includes restoration of 4,500 linear feet of Long Branch, its tributaries, stormwater outfalls and the floodplain within the stream valley between Dogwood Lane and Route 50 (Arlington Boulevard). Stormwater Projects Providence District
Lorton District Police Station and Fairfax County Animal Shelter – Lorton Campus  A new facility will serve residents and businesses in southern Fairfax County. The station includes space for the Animal Protection Police, a satellite office for the Mount Vernon District Supervisor’s Office, and a community room. Building Projects Mount Vernon District
Madison Meadows Outfall Restoration  The Madison Meadows Outfall Restoration project will restore approximately 667 linear feet of channel and 165 linear feet of two of its tributaries that eventually flow into Long Branch in the Difficult Run watershed. Stormwater Projects Sully District
Oak Marr Pump Station Rehabilitation (WW-0000001-017)  The purpose of this project is to maintain the level of sewer service for the Oak Marr Courts community by refurbishing the 35-year-old sanitary sewer pump station. Wastewater Projects Providence District
Old Courthouse Spring Branch at Ashgrove Historic Park Stream Restoration, SD-000031-236  The project will restore about 2,000 linear feet of natural stream channel, replace the culvert under Ashgrove Lane and repair the trail. Stormwater Projects Hunter Mill District
Original Mount Vernon High School  A master development plan is being created for the historic Original Mount Vernon High School. The goal is to leverage the former high school to build communities of opportunity, create career pathways, connect different generations and better integrate r Building Projects Mount Vernon District
Patrick Henry Family Shelter Replacement  The new “Patrick Henry Place” program for families will provide 16 permanent supportive housing units for families experiencing homelessness in an approximately 25,000 square-foot facility. The new building will replace the existing three-level, approx. 9 Building Projects Mason District
Paul Spring Branch at Sherwood Hall Stream Restoration, SD-000031-237  This project will restore about 12,000 feet of Paul Spring Branch and the North Fork of Little Hunting Creek, tributaries, stormwater outfalls and the floodplain within the stream valley between Mason Hill Drive, Sherwood Hall Road and Collingwood Road. Stormwater Projects Mount Vernon District
Penn Daw Fire Station, Emergency and Supportive Housing  As planning developed on the Penn Daw Fire Station, the Hybla Valley Nursery site became available and was found to be an advantageous location for the new fire station. The location on Beacon Hill Road allows first responders direct access to emergencies Building Projects Mount Vernon District
Pike Branch at Wilton Road (CA82-0002) Stream Stabilization (SD-000034-034)  The project will stabilize approximately 1,350 linear feet of stream channel between Telegraph Road and Wilton Road. Stormwater Projects Franconia District
Pimmit Run at George C. Marshall Drive Stream Restoration Project (SD-000031-226)  The project will restore approximately 2,000 linear feet of degraded natural channel of Pimmit Run and approximately 300 linear feet of outfall leading to it. Stormwater Projects Providence District
Piney Run Tributary at Lamplighter Way (SD-000031-252)  The project will restore about 1,200 linear feet of natural stream channel and protect sanitary sewer infrastructure and private property near Lamplighter Way in Reston. Stormwater Projects Hunter Mill District
Pohick Interceptor Rehabilitation Phase 1  This project will rehabilitate approximately 6,500 linear feet of aging critical large diameter sanitary sewer pipelines and associated manhole structures. The project will use trenchless cured-in-place (CIPP) method. Wastewater Projects
Potomac Hills Neighborhood Stormwater Improvements  This project will evaluate existing drainage and stormwater infrastructure in the Potomac Hills neighborhood and recommend a solution to mitigate structural flooding and improve the resiliency of the drainage system. Stormwater Projects Dranesville District
Rabbit Branch Tributary Restoration Project at Collingham Drive  The project will restore more than 4,800 linear feet of stream channel and 1,300 linear feet of outfall channels from Roberts Road to Royal Lake. Stormwater Projects Braddock District
Reston Arts Center Feasibility Study  The proposed arts center project may be possible as the result of a proffer. The proffer would provide for an arts center that houses a performing arts venue, as well as other arts-related amenities, that can be accommodated in 60,000 square feet. Building Projects Hunter Mill District
Reston Town Center North (RTCN)  The Board of Supervisors envisions redeveloping irregularly-shaped parcels into a vibrant urban, mixed-use environment that complements Reston Town Center and surrounding development. Building Projects Hunter Mill District
Riverwood Forcemain Replacement Project  In 2011 a forcemain condition assessment report determined the forcemain needed rehabilitation or replacement. Wastewater Projects Mount Vernon District
Rocky Branch at Hickory Hollow Lane Stream Restoration  The project will restore approximately 3,818 linear feet of degraded natural channel of Rocky Branch and its tributaries between Hunter Mill Road and Hill Road. Stormwater Projects Providence District
Rocky Run Stream Restoration at Dulles Access Road, SD-000031-213  The dry pond (1458DP) off Lewinsville Road requires frequent dredging due to the large amount of sediment from the stream channel. The project includes restoration of approximately 1,200 linear feet of an eroding tributary to Difficult Run. Stormwater Projects Dranesville District
Slipline Replacement #3 (Celadon Ln)  The gravity sewer pipes in question have reached the end of their useful life. The pipes were originally installed in the 1940s and were rehabilitated in the 1990s. Wastewater Projects Mason District
Springfield Estates Pump Station Gravity Sewer Replacement Project (WW-000028-015)  The project involves the installation of roughly 2,000-feet of new gravity sewer piping, 12 new manholes, removal of existing sewer, reconnection of sewer service lines, and removal of the Springfield Estates pump station. Wastewater Projects Springfield District
Stormwater and Wastewater Consolidation Facility  The new Stormwater Wastewater Facility is an eight-building campus. The project will consolidate County services for increased efficiency while targeting LEED Gold certification and offering educational opportunities for the community. Building Projects Braddock District
Sunset Hills Road Drainage Improvement Project  This project will reduce flooding upstream of the Washington and Old Dominion Railroad Regional Park around Sunset Hills Road near Isaac Newton Square W in Reston. Stormwater Projects Hunter Mill District
Tripps Run at Barrett Road Flood Mitigation Study (SD-000032-069)  This study assessed and evaluated four flood mitigation project scenarios including grading and stream enhancements along Tripps Run between Annandale Road and Sleepy Hollow Road. Stormwater Projects Mason District
Tucker Avenue Neighborhood Stormwater Improvement Project  This neighborhood stormwater improvement project will evaluate existing drainage and stormwater infrastructure throughout the neighborhoods in the vicinity of Tucker Avenue and within a 67 acre drainage area that leads to the local stream, Pimmit Run. Stormwater Projects Dranesville District
Turkeycock Creek at Brookside Office Park Stream Restoration (SD-000031-242)  Stabilize approximately 300 linear feet of Turkeycock Creek to minimize erosion.  Project includes installation of a retaining wall to protect existing infrastructure. Stormwater Projects Mason District
Tysons Fire Station #29 and Bus Transit Facility  The new fire station is proposed to be a two-story, approximate 20,000 square foot (SF), five-bay station; and the new bus transit facility is a one-story, approximately 2,100 SF, five bay bus transit facility. Building Projects Providence District
Tysons Wastewater Conveyance Systems Modifications Project  There are three main components to this long-term project: the gravity sewer collection system; the pump station; and the pressurized (force main) sewer collection system. Wastewater Projects Hunter Mill District
Valley Avenue Neighborhood Stormwater Improvements (SD-000032-073)  This project will evaluate existing drainage and stormwater infrastructure in the vicinity of Valley and Fairview Avenues and Cross Street. The primary goals of the project are to mitigate structural flooding and improve resiliency of the drainage system. Stormwater Projects Dranesville District
Willard-Sherwood Health and Community Center  The Willard-Sherwood Health and Community Center is an exciting and innovative project is underway in the heart of Fairfax City that will bring health, wellness and recreation together on one campus. Building Projects
Workhouse Campus Buildings W13 & W15 (GF-000019-002)  The project seeks to explore opportunities and create a framework for the future improvements and growth of the county owned 52-acre Workhouse Campus. The overarching vision for the Workhouse Campus is to establish a unique, widely recognized destination Building Projects Mount Vernon District
Workhouse Campus Master Plan  The project seeks to explore opportunities and create a framework for the future improvements and growth of the county owned 52-acre Workhouse Campus. Building Projects Mount Vernon District

Project Summary Report

The Capital Project Summary Reports list all active DPWES projects regardless of project phase. The reports are available in PDF format, one for each Supervisor district, are updated quarterly.

Projects Under Construction

Find information on projects currently under construction including the location, scope of the work, contractors and estimated completion dates.

Upcoming Future Projects

The Capital Improvement Program (CIP) is the County’s five-year roadmap for creating, maintaining and funding present and future infrastructure requirements. Find current and upcoming future projects.

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Stormwater Improvement Projects

Fairfax County Stormwater Management is dedicated to protecting and restoring our vital natural resources through the implementation of stormwater management projects throughout the county. 

Transportation Projects

View Fairfax County Transportation Projects, Studies and Plans.

Green Buildings

A large portion of greenhouse gas emissions are attributable to energy use in buildings, both here in Fairfax County and nationwide. By constructing buildings designed to use less energy, Fairfax County can save taxpayer dollars and reduce our carbon footprint. View more information and see a list of LEED Certified buildings in Fairfax County.

Capital Construction Completed Projects

The Capital Construction Completed Projects publication represents comprehensive information on all building and infrastructure projects completed by DPWES in the last Fiscal Year. The projects detailed within represent a capital investment approved by the Fairfax County Board of Supervisors in developing and preserving our community.

Capital Construction Completed Projects Cover
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