As of 2016, TCEQ had sampled water from 235 wells and has installed over 45 anion-exchange filtration systems from this site[1] determined to be centered at 2601 West County Road 112, Midland, Texas.[73] The TCEQ continues to sample wells surrounding the area to monitor the movement of the plume. In addition, they continue to monitor the effectiveness of the anion-exchange filtration systems by sampling on a year-quarterly and the filters are maintained at no cost to the residents.