Water Testing Locations


Anne Arundel County

408 Headquarters Drive, Suite 5
Millersville, MD 21108
(Inside Kor-Ko Ltd.)
Toll Free: 800-200-5323


Baltimore, Carroll, Howard, Harford Counties

Toll Free   800-200-5323



Queen Anne, Kent County MD

1000 Butterworth Court,
Stevensville, MD 21666
410-643-7711
Toll Free   800-200-5323


Talbot, Caroline, Kent County DE

7957 Industrial Park Road
Easton, MD 21601
410-820-8774
Toll Free   800-200-5323



Wicomico, Worcester, Somerset, Dorchester

113 High Street,
Salisbury, MD 21801
410-546-1318
Toll Free   800-965-7072


Sussex DE

Seaford, DE     
Toll Free   800-965-7072



Calvert,

Charles, St. Mary's in Southern Maryland

Prince Frederick, La Plata, Leonardtown
Toll Free: 800-200-5323


Cecil County MD, New Castle DE

Elkton
Toll Free   800-200-5323



Prince Georges, Montgomery, Frederick
Upper Marlboro, Rockville

Toll Free   800-200-5323


Northern VA—Alexandria, Falls Church, Fairfax, Arlington, Loudoun and Prince William Counties

PO Box 10591
Burke, VA 22009
703-250-7711



locations