There are 4 Backflow Services in Portland, Oregon, serving a population of 630,331 people in an area of 134 square miles. There is 1 Backflow Service per 157,582 people, and 1 Backflow Service per 33 square miles.
In Oregon, Portland is ranked 17th of 480 cities in Backflow Services per capita, and 17th of 480 cities in Backflow Services per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Portland Backflow Services.
Clearwater Backflow Testing Services PO Box 90953 Portland, OR
Columbia Cross-Connection Control 2706 Southeast Ash Street Portland, OR
Oregon Backflow Testing 15685 Southwest 116th Avenue Portland, OR
Waterscape Irrigation 421 Northeast 197th Avenue Portland, OR Backflow Services, Irrigation, Irrigation Equipment Repair