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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.
Period of Record - Gage Height: October 2015 to current year.
Gage height data are measured down from the bridge deck and not using historical methods from the water pressure above a defined point in the river. Therefore water level data will read higher when ice is present on the water surface.