Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Water Valley is an unincorporated community in Tom Green County, Texas, United States. According to the Handbook of Texas, the community had an estimated population of 120 in 2000. The community is part of the San Angelo, Texas Metropolitan Statistical Area. Water Valley is situated along U.S. Highway 87 in northern Tom Green County, approximately 22 miles northwest of San Angelo and 64 miles southeast of Big Spring.