Thermal springs in the Boise River basin, south-central Idaho
Water-Resources Investigations Report
82-4006
By: R.E. Lewis and H.W. Young
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Abstract
The Boise River Basin, characterized by steep, rugged mountains and narrow river valleys, drains an area of about 2,680 square miles in south-central Idaho. Granitic rocks of the Idaho batholith predominate in the basin. Temperature of waters from thermal springs in the basin range from 33 degrees to 87 degrees Celsius, are sodium carbonate type and are slightly alkaline. Dissolved-solids concentrations are less than 280 milligrams per liter. Estimated reservoir temperatures determined by the silica and sodium-potassium-calcium geothermometers range from 50 degrees to 98 degrees Celsius. Tritium concentrations in sampled thermal springs are near zero and indicate these waters were recharged prior to 1954. Stable-isotope data are not conclusive insofar as indicating a source area of recharge for the thermal springs in the basin. Thermal springs discharged at least 4,900 acre-feet of water in 1981, and the associated convective heat flux is 11,000,000 calories per second. (USGS)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Thermal springs in the Boise River basin, south-central Idaho |
| Series title | Water-Resources Investigations Report |
| Series number | 82-4006 |
| DOI | 10.3133/wri824006 |
| Edition | - |
| Year Published | 1982 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, Water Resources Division, |
| Description | iii, 28 p. :ill., map ;28 cm. |
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