Aeromagnetic map of the Malone quadrangle, Grays Harbor, Pacific, and Lewis Counties, Washington
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In response to increased interest in the power possibilities of tributary streams in the headwater of Lewis River stream-gaging stations were reestablished in 1955 at three sites in the upper Lewis River basin, Washington. The one year of recent record now available and the four years of record obtained during water years 1928-31 provide a reasonable basis for estimates of monthly discharge during the intervening years. In view of the current interest in the discharge of these streams estimates of monthly discharge have been made in the Tacoma district office of the Surface Water Branch of the U.S. Geological Survey. These estimates and a description of the method of correlation are attached. The three stations and the period covered by the correlative estimates are as follows: Big Creek below Skookum Meadow near Trout Lake, Washington: Oct. 1931 to Sept. 1955 Meadow Creek below Lone Butte Meadow near Trout Lake, Washington: Oct. to Dec. 1928; Oct. 1931 to Sept. 1955 Rush Creek above falls, near Cougar, Wash.: Oct. to Dec. 1928; Dec. 1931 to Sept. 1955 Published records for water years 1928-31 and 1956 are included in the tabulation to provide discharge for the full period Oct. 1927 to Sept. 1956.
The Geological Survey, on July 10, 1957, was requested by the Washington State Department of Conservation to participate in a pumping test to be made by the city of Pullman on their city well 4, scheduled to begin July 15, 1957. The area was visited on July 11 by Mr. Holmberg, and on July 14 by Mr. Foxworthy, both of the Geological Sruvey. Measurements of water level on city well 4 and on nearby wells were continued by them onto July 16. Results of the pumping test are described in this report, and tabulation of water-level measurement, hydrographs, and descriptions of pertinent wells are included.
This report presents the results of a study made as a part of the cooperative investigation of the ground-water resources of Washington being made by the U. S. Geological Survey and the State Department of Conservation, Division of Water Resources. It describes the factors affecting the feasibility of artificially recharging the basalt aquifers in the Walla Walla area with water injected through wells. The study resulted from a request to the Department of Conservation from the city of Walla Wall, but its results will be of interest in areas of similar aquifers throughout the State. The city of Walla Walla has been considering for several years the possibility of recharging basalt aquifers by introducing water into wells tapping those aquifers. The water-supply system of the city is easily adaptable to such a recharge program. During at least a part of the year water from Mill Creek is available for recharge. Also, one of the wells (city well 3) is only a few feet from the pipeline carrying Mill Creek water to the city's reservoir, so that installation of the required piping and metering equipment would be simple and inexpensive. Although recharging operations and experiments have been conducted for many years in the United States and abroad, almost all have dealt with sand and gravel aquifers. At a very few places basalt aquifers have been recharged through wells, but so far as is known no controlled tests or experiments have been made to determine the effectiveness of the process and the limitations or controlling factors, in recharging basalt aquifers. The immediate object of this report is to assemble all pertinent data and to present it in such form that it can be used effectively by officials concerned in making decisions as to the feasibility of a program of groundwater recharge using city well 3 at Walla Walla as an injection well.
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