Soil Specification Information

Soil specifications taken from the City of Portland Standard Construction Specifications

2019 Stormwater Facility Soil Vendors and Haulers

2016 SWMM Private Stormwater Facilities Plant List

2016 SWMM Ecoroof Plant List

2016 SWMM Public Stormwater Facilities (Green Street) Plant List

Options for the 2-year Maintenance Warranty Period

Public works permit applicants can choose from two options for plant maintenance of their stormwater management facilities. Learn more.