General Information: 503-823-4000
E-mail: cityinfo@portlandoregon.gov
1221 SW 4th Avenue, Room 110, Portland, OR 97204
Manuals & Standards
City of Portland Survey Benchmarks
Datum NAD 83-91
Design and Construction of Water Systems
For new residential and commercial subdivisions
Erosion and Sediment Control Manual
March 2008 manual
Presumptive Approach Calculator
Excel file