The West Texas Weather Modification Association is an Operational Cloud Seeding program that operates over 6 million acres of land in West Texas. The primary goal of the program is to enhance rainfall in convective thunderstorms to help increase dryland crop revenues, decrease groundwater consumption, save on irrigation costs, and help recharge area aquifers while putting some water in the area lakes, rivers, and reservoirs. Since 2004, the WTWMA has helped increase precipitation by 16%, which translates to an additional 2.25″ across the area. The WTWMA is funded by the local groundwater conservation districts and the city of San Angelo. As a member of the Texas Weather Modification Association, which groups together other programs such as the Panhandle Groundwater Conservation District, the South Texas Weather Modification Association, the Edwards Aquifer Authority, the Trans-Pecos Weather Modification Association among others, the WTWMA continues to expand in its knowledge and abilities by continuing research and development projects per the Texas Weather Modification Act of 1967.