This is the approved USGS MODFLOW 6.7.0 release.
Langevin, C.D., Hughes, J.D., Provost, A.M., Russcher, M.J., Morway, E.D., Reno, M.J., Bonelli, W.P., Niswonger, R.G., Panday, S., Titus, S., Merrick, D, and Banta, E.R., 2026, MODFLOW 6 Modular Hydrologic Model version 6.7.0: U.S. Geological Survey Software Release, 6 February 2026, IP-185226 DOI: https://doi.org/10.5066/P1IJAXDZ
Visit the USGS "MODFLOW and Related Programs" site for information on MODFLOW 6 and related software.