Water resources data, Puerto Rico and the U.S. Virgin Islands, water year 1987

Water-resources data for surface-water, quality-of-water, and ground-water records for the 1987 water year for Puerto Rico and the U.S Virgin Islands, consists of records of discharge, water quality of streams, and water levels of wells. This report contains discharge records for 49 streamflow-gaging stations, and 1 crest-stage, partial-record streamflow stations; water quality records-for 16 streamflow-gaging stations, 42 ungaged streamsites, 11 lake sites, 1 lagoon, and 1 bay; and water-level records for 56 observation wells. These data represent that part of the National Water Data System collected by the U.S. Geological Survey and cooperating local and federal agencies in Puerto Rico and the U.S. Virgin Islands.