November 15, 2021
Archive
July 16, 2021
Pump Station #1 Seismic Stability Analysis
Project Description
MCDD’s Pump Station 1 (PS1), built in 1949, is located within the managed floodplain along the Columbia River and Columbia Slough. This pump station plays a critical role as a part of the region’s network of levees, pump stations, and other flood safety infrastructure as it reduces flood risk by removing stormwater from Multnomah County Drainage District’s 8,590 acres, which includes a mix of industrial, commercial, and industrial areas within Portland, Fairview, and... View More
July 14, 2021
Natural Hazard Mitigation Plan
Annexing on to the Multnomah County Multi-Jurisdictional Natural Hazard Mitigation Plan
Project Description
PEN 1, PEN 2, MCDD, SDIC, and the UFSWQD are working to annex into the FEMA-approved Multi-Jurisdictional Natural Hazard Mitigation Plan (NHMP) created by Multnomah County, City of Gresham, City of Troutdale, City of Fairview, and City of Wood Village. Originally authorized in 2017, this plan is currently being renewed with the intention of spanning from the fall of 2022 to the fall... View More
October 28, 2020
NE 13th Ave and South Shore Rd Pipe Replacement Project
Project Description
A pipe connecting a ditch located to the north of NE South Shore Road has been clogged for many years. This pipe drains to the NE 13th Avenue drainage system, which consists of roadway ditches and driveway culverts. The clogged pipe has resulted in flooding of private properties in the vicinity of the pipe. The Peninsula Drainage District #2 (PEN2) Board of Supervisors instructed MCDD staff to conduct temporary pumping into the drainage system between NE South Shore and Faloma roads beginning in the winter of 2015... View More
September 24, 2020
NE 13th Ave Pump Station: Discharge Line Rehabilitation
Project Description
There are two discharge lines (a section of piping systems) from the 13th Avenue Pump Station that feed into the Columbia Slough. The goal of this project is to extend the useful life and reliability of the discharge lines for approximately 10 more years. The discharge lines have visual inflections (bends or structural flaws) and the slope supporting the pipes has eroded into the lower Columbia Slough which requires stabilization and reconstruction to support... View More
April 22, 2020
The Columbia River Treaty
FLOOD MITIGATION AND THE COLUMBIA RIVER TREATY
The Columbia River Treaty (CRT) is an international agreement for water cooperation, governing the upper Columbia River Basin flows for both flood control and power generation. Largely created in response to devastating floods, the 1964 Treaty urged for future flood mitigation strategies that protect property and the well-being of communities along the river. This led to the construction of three large storage reservoirs in British Columbia and one in... View More
March 17, 2020
US Army Corps of Engineers Feasibility Study
A Pathway to Modernizing our Levee System
As we've worked to identify ways to modernize our infrastructure, we learned that the best pathway to secure federal funding for levee improvements is to partner with the US Army Corps of Engineers (USACE) on a New Start Feasibility Study.
Thanks to the help of our Congressional Delegation and our partners with Levee Ready Columbia (LRC), we successfully advocated for congressional... View More