Characteristics of streamflow and ground-water conditions in the Boise River Valley, Idaho
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- Document: Report (pdf)
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Abstract
The quantity, quality, and distribution in time of streamflow in Boise River below Lucky Peak Lake are drastically affected by storage reservoirs, diversions for irrigation, and by domestic, industrial, and agricultural wastes. Reservoirs usually fill during the nonirrigation season, and streamflow for several miles below Lucky Peak Lake is very low, sometimes less than 10 cubic feet per second (0.28 cubic meters per second). On November 18-19, 1971, when the gates at Lucky Peak Dam were closed, inflow to the Boise River in the study reach totaled 1010 ft3 /s. Practically all inflow was discharged ground water. During the growing season, several thousands of ft3 /s are released from Lucky Peak Lake, but diversions reduce the flows to near zero below some large diversion points in the study reach. Characteristics of streamflow are described by duration curves, duration hydrographs, and low-flow and high-flow frequency curves.
Water released from Lucky Peak Lake is of excellent quality. Dissolved solids are usually less than 80 milligrams per liter. Discharged ground water increases the dissolved solids in the river downstream to 400 milligrams per liter or more when dilution from Lucky Peak Lake is slight. Other measures of water quality likewise show the deterioration in a downstream direction in the study reach.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Characteristics of streamflow and ground-water conditions in the Boise River Valley, Idaho |
| Series title | Water-Resources Investigations Report |
| Series number | 74-38 |
| DOI | 10.3133/wri7438 |
| Year Published | 1974 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Contributing office(s) | Idaho Water Science Center |
| Description | Report: v, 56 p.; 3 Plates: 28.18 x 17.41 inches or smaller |
| Country | United States |
| State | Idaho |
| Other Geospatial | Boise River Valley |
| Google Analytic Metrics | Metrics page |