This report is a compilation of well-inventory data collected from December 1988 to September 1990 on St. Croix, U.S. Virgin Islands from 634 wells. The report includes well locations on 1982, 7.5 minute series, USGS topographic maps, which are published to scale, and tables of selected well data. The report includes the following well information: well name, U.S. Geological Survey Ground-Water Site Identification number, use of water, year well constructed, reported depth of well, measured depth of well, casing diameter, type of well finish and finish interval, land surface altitude of well, depth to water below land surface, date water level measured, and well yield.