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  • Notice - The USGS Water Resources Mission Area's priority is to maintain the safety and well-being of our communities, including providing critical situational awareness in times of flooding in all 50 U.S. states and additional territories. Our hydrologic monitoring stations continue to send data in near real-time to NWISWeb, and we are continuing critical water monitoring activities to protect life and property on a case-by-case basis. The health and safety of the public and our employees are our highest priorities, and we continue to follow guidance from the White House, the CDC, and state and local authorities.

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Station operated in cooperation with the cities of Portland, Gresham, Milwaukie and Damascus, Clackamas County's Water Environment Services, Multnomah County, and East Multnomah Soil and Water Conservation District. Additional support provided by the city of Happy Valley.

NOTE: River forecasts for this site and others in Oregon can be found 
at the National Weather Service's Advanced Hydrologic Prediction Services web page. 

NOTE: The most current shifted rating for this site can be found at USGS Rating Depot website.

NOTE: Additional data on the Johnson Creek Basin can be found at the Johnson Creek Basin Project Page.
Available Parameters Available Period
2007-10-01  2020-04-02
1986-10-01  2020-04-02
2007-10-01  2020-04-02


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Summary of all available data for this site
Instantaneous-data availability statement