Redwater is a city in Bowie County, Texas, United States. The population was 853 at the 2020 census. It is part of the Texarkana metropolitan …Redwater is a city in Bowie County, Texas, United States. The population was 853 at the 2020 census. It is part of the Texarkana metropolitan area. Redwater is twelve miles southwest of Texarkana in southeastern Bowie County. It grew up in the mid-1870s around a sawmill operated by two men named Daniels and Spence, who named the community Ingersoll, in honor of the agnostic Robert Ingersoll. A post office was established in 1881, and by 1884 the town had an estimated population of fifty.