News
Will 2020 be the first sewage-free year for the Willamette River?
With 11 days until the end of the year, a heavy rain storm led to the first combined sewer overflow of 2020.
Updated Press release
2020 Editions of Stormwater Management Manual and Source Control Manual Now in Effect
The City of Portland adopted 2020 editions of the Stormwater Management Manual (SWMM) and Source Control Manual (SCM). The new editions of the manuals are in effect starting Dec. 14, 2020.
News article
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