Toll Free Phone: (800) 200-5323

Locations in MD & VA

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Water Testing Locations


water testing mdAnne 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   800-200-5323water testing maryland

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   800-200-5323water testing de

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

water testing southern mdCalvert, 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   water testing northern va
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

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