National Water Summary 1990-91: Hydrologic Events and Stream Water Quality

摘要

This volume is organized into three parts, following the format of the sixprevious volumes in the National Water Summary series. The first part 'Hydrologic Conditions and Water-Related Events, Water Years 1990-91,' provides a synopsis of the Nation's water-resources conditions during the 1990 and 1991 water years (October 1, 1989 through September 30, 1990, and October 1, 1990 through September 30, 1991). The second part, 'Hydrologic Perspectives on Water Issues,' contains articles on the hydrologic and institutional and management aspects of stream water quality. The third part, 'State Summaries of Stream Water Quality,' describes water quality in each State, the District of Columbia (combined with Maryland), Puerto Rico, and the Western Pacific Islands.