Justin C. Thompson, Michael H. Young and Charles W. Kreitler 2021. Reply to comment received from Robert E. Mace, published in the Texas Water Journal (2021) 12(1):202-205, regarding “Exploring Groundwater Recoverability in Texas: Maximum Economically Recoverable Storage,” published in the Texas Water Journal (2020) 11(1):152-171, by Justin C. Thompson, Charles W. Kreitler, and Michael H. Young. Texas Water Journal. 12, 1 (Dec. 2021), 205–208. DOI:https://doi.org/10.21423/twj.v12i1.7140.