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MCDD manages the Columbia corridor drainage districts, which include:
COLLECTIVELY, THE FOUR DRAINAGE DISTRICTS HELP PROTECT LIVES AND PROPERTY FROM FLOODING ALONG THE LOWER COLUMBIA RIVER IN PORTLAND, GRESHAM, FAIRVIEW AND TROUTDALE
ABOUT US

MCDD reduces flood risk for residential communities, industrial sanctuaries, and vital public infrastructure such as the Portland International Airport, sections of I-5, I-205, and I-84, and Oregon’s second largest supply of drinking water.

To enhance community safety and support the region’s vitality, we manage and maintain critical flood control systems, which include:

27 miles of levee
12 pump stations
45 miles of waterways and culverts
CURRENT RIVER CONDITIONS
vancouver gage – National Weather Service
MCDD FLOOD CATEGORIES

During high water and heavy rain events, the Districts implement emergency action plans to keep levees and facilities functioning to protect life, property, and the environment.  MCDD uses the National Weather Service (NWS) Vancouver Gage on the Columbia River (pictured left) to make flood emergency related decisions.

Our emergency response categories are divided into four levels:

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TRAFFIC ALERT: Expect delays at the intersection of NE Marine Drive and NE 122nd Ave Sep 30 - Oct 30, 2019. Click here for more information.