WebWelcome to the official web site of the City of Portland, Oregon. General Information: 503-823-4000. E-mail: [email protected]. 1221 SW 4th Avenue, Room 110, … WebAccordingly, Portland’s stormwater manual requires that new development and redevelopment projects with more than 500 square feet of impervious surface comply with pollution-reduction and...
Stormwater Management Plan - Portland, Oregon
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Chapter 17.38 Drainage and Water Quality Portland.gov
WebWelcome to the official web site of the City of Portland, Oregon. General Information: 503-823-4000. E-mail: [email protected]. 1221 SW 4th Avenue, Room 110, Portland, OR 97204. ... Stormwater Management Manual (SWMM) SWMM Presumptive Approach Calculator (PAC) Operations & Maintenance (O&M) Plans for Public Stormwater Facilities ... WebNov 13, 2024 · (1) The Sewer and Drainage Facilities Design Manual and the Source Control Manual, for sanitary, wastewater, or other discharges to the sanitary or combined system. (2) The Stormwater Management Manual and the Source Control Manual, for stormwater and other discharges to the City’s storm and drainage system, groundwater, or surface … WebAppendices – Proposed 2024 SWMM. Details–Private Facilities, Presumptive and Performance Design Approach. Details–Private Facilities, Simplified Approach. Green Street Standard Drawings – Proposed 2024 SWMM. Table of Contents – Proposed 2024 SWMM. c town supermarket in passaic nj