The following is a list of local companies that provide testing for backflow prevention devices. There may be other local companies that provide these services that Loudoun Water is not aware of. Loudoun Water is not affiliated with these companies in any way and assumes no responsibility whatsoever with the services they provide. Charges for testing may vary from company to company. You should contact each company regarding their respective charges. 

Firm Name Phone Contact
A Affordable Backflow Service 703-687-4026 Gerald Sellars
A-1 Backflow Services, LLC. 703-963-7010 Tony Hopson
Affordable Lawn Sprinklers 703-289-1155 Ryan Muniz
Allen's Sprinkler and Nightlight 703-771-9702 Scheduler
Backflow Technology 703-450-5898 Nycole Klien
Backflow Testers of Northern Virginia 703-501-0934 Chris
Bio-Green 703-450-0034 Mike Kula
Creative Irrigation & Lighting, Inc. 703-858-1142 Mike Hall
Community Landscape Services 571-437-2756 Thomas Ragland
F & L Plumbing 703-777-4926 Michael S. Furr
Fire & Line Safety America 410-787-0639 Matthew Bass
Fountainhead Irrigation 301-631-9136 Ann Shapard
Gainesville Plumbing 571-248-8737 Helen Critchfield
GreenTeam, Inc 703-366-3440 Scott Wilber
Hydro-Tech Irrigation, Co. 703-263-2266 Mike Dawson
Interstate 703-250-8830 Jim Ryan
John Nugent & Sons 703-356-7499 Bill Christmas
Kiddco Plumbing 703-435-4441 Jesse Kidd
KT Irrigation 703-327-2332 Amanda Smith
L G Knoch Plumbing 410-876-6920 Larry Knoch
Maple Irrigation 703-606-4389 Timothy Whitley
Mr. Rooter Plumbing 703-430-9231 Kevin J. Toczko
Peed Plumbing  866-401-7333 Mark Ardizzione
Problem Solved Services, LLC. 703-737-7608 Tony Mortilla
Prolawn 800-776-5296 Randy Clark
Ronco Irrigation 703-757-8227 Hugh Boggs
Simplex Grinnell LP 571-306-6786 Shannon Merrill
State of the Art Landscaping 703-421-3666 Kevin O'Connor
Superior Sprinkler Systems, Inc. 703-957-4946 Brian Gepford
To Backflow, LLC. 703-752-6461 John Nichols
Virginia Backflow Technologies 571-309-9987 Keith Sellars
Virginia Irrigation 703-815-3390 Armando Vasquez
Virginia Specialties 703-929-3996 Lloyd Bohn
Wacker Plumbing and Remodeling 703-450-5565 Gail Itschner
Winchester Sprinkler, LLC 540-667-5078 Tim Weinstein