The Mill River is a tributary of the St. George River in Thomaston, Maine. From the confluence () of Branch Brook and Meadow Brook, the river runs U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map , accessed June 22, 2011 south to the head of the estuary of the St. George.

See also List of rivers of Maine

References

Maine Streamflow Data from the USGS Maine Watershed Data From Environmental Protection Agency