
The topography of an area determines the direction of stream flow and often is a primary influence on the geographic distribution of precipitation. View a detailed
Maine elevation map.
Maine Stream and River Levels |

The United States Geological Survey has a number of stream gages located throughout Maine. These estimate stream levels, discharges and record them over time. This data is published on the web and many stations allow users to plot custom graphs. Get updated Maine river and stream levels from USGS
here.
Maine Stream and River Level Alerts |

The United States Geological Survey has a system that will send you an email message when flood levels are reached on any steam with USGS gaging equipment that you have selected. Sign up
here to recieve Maine stream and river level alerts.

The United States Geological Survey has a number of publications related to water use and water resources in Maine. View the water resource publications for Maine
here.