Arlington County Department of Public Works
2100 Clarendon Blvd., Suite 717
Arlington, VA 22201

Phone: 703-228-6485
Fax: 703-228-6585

Link to Arlington County's website

Service Area: Arlington County

Average Demand: 27 mgd
Maximum Daily Demand: 40 mgd

Number of Connections: 35,000

Miles of Pipe Maintained: 480

District of Columbia Water and Sewer Authority
Department of Water Services
Water Quality Division
301 Bryant Street
Washington DC 20001

Phone: 202-612-3440
Fax: 202-673-4452

Link to DC WASA's website

Service Area: District of Columbia

Wholesale Customers: National Airport, Pentagon, Arlington Cemetery, Ft. Myers

Average Demand: 140 mgd
Maximum Daily Demand: 210 mgd

City of Falls Church Department of Environmental Services
Public Utilities Division
300 Park Avenue
Falls Church, VA 22046

Phone: 703-248-5071
Fax: 703-248-5214

Link to Falls Church website

Service Area: City of Falls Church and adjacent parts of north-central Fairfax County. See map of service area for more detail.

Average Demand: 17.53 mgd
Maximum Daily Demand: 29.41 mgd

Number of Customers: 33,000

Miles of Pipe Maintained: 450

Loudoun County Sanitation Authority
P.O. Box 4000
Leesburg, VA 20177-1403

Phone: 703-771-1092
Fax: 703-771-4141

Link to LCSA's website

Goose Creek (through City of Fairfax Water Treatment Plant)

Potomac River (through FCWA's Corbalis Water Treatment Plant)

Service Area: eastern Loudoun County

Average Demand: 10.4 mgd
Maximum Daily Demand: 19.9 mgd

Number of Customers: 31,000

Miles of Pipe Maintained: 450

Prince William County Service Authority
P.O. Box 2266
Woodbridge, VA 22193-0266

Phone: 703-335-7900
Fax: 703-335-7905

Potomac, Occoquan Rivers (through FCWA), contributing 80% of the water

Lake Manassas (through the City of Manassas DU), contributing 15%

Groundwater: remaining 5%

Service Area: unincorporated areas of Prince William County

Average Daily Production: 16.49 mgd

Average Daily Consumption: 12.27 mgd

Number of Customers: over 60,000

Miles of Pipe Maintained: 508

Town of Herndon Department of Public Works
777 Lynn Street, Second Floor

Phone: 703-435-6853
Fax: 703-318-8492

Link to Town of Herndon's website

Town of Vienna Public Works Department
127 Center Street South
Vienna, VA 22180

Phone: 703-255-6380
Fax: 703-255-5722

Link to Vienna's website

Potomac River (through City of Falls Church), contributing 80% of the water

Occoquan River (through FCWA), contributing 19%

Groundwater: Remaining 1%

Service Area: Town of Vienna, extending slightly into Fairfax County in some areas

Average Demand: 2.6 mgd
Maximum Daily Demand: 3.7 mgd

Number of Customers: 9,000

Virginia American Water Company
2223 Duke St
Alexandria, VA 22314

Phone: 703-549-7080
Fax: 703-549-6356

Link to Virginia American's website

Potomac River (through FCWA); most of Alexandria's water comes from FCWA's Corbalis Treatment Plant.

Occoquan River (through FCWA); almost all of Dale City's water comes from FCWA's Occoquan River treatment facilities.

Service Area:Virginia American Water Company
Alexandria, Dale City (Prince William District)

Average Demand: 16.1 mgd in Alexandria; 4.5 mgd in Dale City
Maximum Daily Demand: 23.74 mgd in Alexandria; 8.475 mgd in Dale City

Number of Customers: 25,513 in Alexandria; 16,124 in Dale City

Miles of Pipe Maintained: 258 in Alexandria; 153 in Dale City