Meander Creek Reservoir is a lake located along Meander Creek in Mahoning County and Trumbull County near Austintown, Ohio. The Meander Creek Reservoir is Mahoning County's drinking water. The reservoir's south end continues as a little river going southward. The reservoir is also managed by the Mahoning County Sanitary District. Hunting, boating and fishing are prohibited. Most of the reservoir is located in Austintown Township in Mahoning County or in Weathersfield Township in Trumbull County.
The dam creating the reservoir, Mineral Ridge Dam, is an earthen dam built in 1932. It is 60 feet high, 3480 feet long at its crest, impounds a maximum capacity of 62,000 acre-feet, and is owned and operated by the Mahoning Valley Sanitary District.