Richland Chambers Lake is under the authority of Tarrant Regional Water District. TRWD supplies water for Tarrant County including the city of Fort Worth. The lake fluctuates with the natural cycle of dry and rainy season in North Texas, with an average fluctuation of +/- 3 feet. RC Lake is fed from the West by Navarro Mills Reservoir coming down Richland Creek and from the North by Bardwell Reservoir coming down Chambers Creek. The watershed also includes numerous smaller creeks spanning across 6 counties.