How you can be prepared
Flooding poses a threat to life and safety and can cause severe damage to public and private property. Below are some links you may find helpful when preparing for flooding.
- Channel Migration Zone (CMZ) resources - Sandy River
- Clackamas County flood insurance - you may need flood insurance!
- Clackamas County floodplain management
- Flood Insurance explained
- Flood of Information event
- Homeowner's Guide to Flooding
- Living With Dams: Know Your Risks
- National Flood Insurance Program
- NWS flood safety awareness
- Preparing for flooding
- Tracking river levels in Upper Sandy River Basin
- Tracking river levels on the Molalla River
- How to sandbag (video)
River levels in Clackamas County are monitored by a network of river gauges that help us predict the when peak water levels will occur in our communities. The County also works with fire districts to provide sand bag distribution locations to assist residents in protecting their homes from flooding. There are several local area commercial sandbag providers.
Weather and flood forecasting information
Damage done by recent floods
Flooding events during the last 50 years have ravaged parts of Clackamas County. Just some of the results of these events include:
- In the 1964 flood in Clackamas County, one man died when his house collapsed into Wildcat Creek.
- In the 1964 flood, almost forty homes near the Brightwood area alone were completely destroyed with no trace of having been there.
- In the 1964 flood, the Oregon City Shopping Center was inundated by 34.5 inches of water, with the shopping basements of JCPenney and Grants being completely submerged.
- In the 2011 flood, nearly $4 million was needed for repairs to public infrastructure that included damages to Lolo Pass Road, the Zigzag River bridge, and county Water Environment Services wastewater facilities.
- In the 2011 flood, at least 37 residential properties suffered significant bank erosion and face increased future erosion threats.
Land use and permits: Steve Hanschka, 503-742-4512
Emergency Management: Jay Wilson, 503-723-4848
General information: Ellen Rogalin, Community Relations Specialist, Department of Transportation and Development, 503-742-4274
Water Environment Services - Hoodland Sewage Treatment Plant, 24596 E. Bright Ave., Welches; 503-622-5350
Sandy River Basin Watershed Council
26000 SE Stark Street, GE Building, Gresham, OR 97030 503-622-9134
US Army Corps of Engineers
Karla G. Ellis, Project Manager, Team Leader - Regulatory Branch, 503-808-4377
Regulatory General Permit (RGP) for Sandy River Basin January 2011 Flood Response
Regulatory General Permit (RGP) Biological Opinion
Department of State Lands
Anita Huffman, 503-986-5250
Wetlands/Waterways Removal-Fill Forms & Publications
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