The earthen dam was constructed in 1991 by the Southwestern Division of the United States Army Corps of Engineers with a height of 95 feet, and a length of 28,072 feet at its crest.
[1] It impounds the south fork of the Sulphur River for municipal water supply and recreation.
The reservoir it creates, Jim Chapman Lake, has a 19,305-acre (7,812 ha) water surface and a maximum capacity of 797,000 acre-feet (983,000,000 m3).
Both lake and dam were renamed by an act of Congress in 1998 to honor Jim Chapman, a former congressman from nearby Sulphur Springs.
This article about a dam or floodgate in the United States is a stub.