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1. Where can I find information on rainfall amounts, groundwater levels, and river levels?

For current conditions, see the rainfall amounts, groundwater levels, real-time river levels, and hydrologic conditions reports pages. For past conditions and analysis, search our Document Center.

2. Where can I get the historic high and low levels for rivers?

See the Historical Extreme High Elevations PDF.

3. What does flood stage mean?

River flood stages are determined by the National Weather Service. A flood stage is the point at which some type of physical or economic hardship starts to take place at a specified location (or station) on the river. It does not necessarily mean that water is over the banks of the river.

4. When will rising water reach my home?

The key to knowing is to know your river. If you’ve never experienced the river at or near flood stage, you may not have all the information you will need to help you guesstimate. For more information, see the "When will rising water reach your home? PDF.