Water quality in the Northern Rockies Intermontane basins, Idaho, Montana, and Washington, 1999-2001

Circular 1235
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This report contains the major findings of a 1999–2001 assessment of water quality in the Northern Rockies Intermontane Basins. It is one of a series of reports by the National Water-Quality Assessment (NAWQA) Program that present major findings in 51 major river basins and aquifer systems across the Nation. In these reports, water quality is discussed in terms of local, State, and regional issues. Conditions in a particular basin or aquifer system are compared to conditions found elsewhere and to selected national benchmarks, such as those for drinking-water quality and the protection of aquatic organisms. This report is intended for individuals working with water-resource issues in Federal, State, or local agencies, universities, public interest groups, or in the private sector. The information will be useful in addressing a number of current issues, such as the effects of agricultural and urban land use on water quality, human health, drinking water, source-water protection, hypoxia and excessive growth of algae and plants, pesticide registration, and monitoring and sampling strategies. This report is also for individuals who wish to know more about the quality of streams and ground water in areas near where they live, and how that water quality compares to the quality of water in other areas across the Nation. The water-quality conditions in the Northern Rockies Intermontane Basins summarized in this report are discussed in detail in other reports that can be accessed from (http://id.water.usgs.gov/nrok/index.html). Detailed technical information, data and analyses, collection and analytical methodology, models, graphs, and maps that support the findings presented in this report in addition to reports in this series from other basins can be accessed from the national NAWQA Web site (http://water.usgs.gov/nawqa).

Study Area

Publication type Report
Publication Subtype USGS Numbered Series
Title Water quality in the Northern Rockies Intermontane basins, Idaho, Montana, and Washington, 1999-2001
Series title Circular
Series number 1235
ISBN 0607940670
DOI 10.3133/cir1235
Year Published 2003
Language English
Publisher U.S. Geological Survey
Publisher location Reston, VA
Contributing office(s) Idaho Water Science Center
Description vi, 29 p.
Time Range Start 1999-01-01
Time Range End 2001-12-31
Country United States
State Idaho;Montana;Washington
Other Geospatial Clark Fork/pend Oreille River Basin;Spokane River Basin
Google Analytic Metrics Metrics page
Additional publication details