Ft. Defiance and Chinle Service Unit
Navajo Environmental Health & Protection Program
P.O. Box 1390 Window Rock, AZ 86515
Administration Building No. 2 Window Rock Boulevard, Window Rock, AZ
Phone (928) 871-7940
Fax (928) 871-7960
Chinle Indian Health Services (IHS) OEH Office
P.O. Box 694 Many Farms, AZ 86538
Hwy. 191 Lake Road Dental Building – IHS OEH
Phone (928) 781-3809