C4_Attach 4__Well Log_Permit 22197.pdf

This file contains Colorado State water well drilling and permitting documentation related to the replacement of an existing well at the South Fork Guard Station operated by the U.S. Department of Agriculture Forest Service in Rio Grande County, Colorado. The documents span from 1964 to 1981 and include the original well log and history, permit applications, well completion and pump installation reports, statement of beneficial use of ground water, and well abandonment affidavit.

The replacement well (Permit No. 22197-A) was drilled by Burk Drilling and Irrigation Inc. (License No. 752) and completed on September 22, 1980, to a total depth of 101 feet. The well features a 6.5/8-inch plain steel casing from 0 to 48 feet and a 5-inch perforated PVC casing from 56 to 91 feet. A submersible electric pump rated at 1 horsepower was installed on July 22, 1980, with a pump intake depth of 98 feet. The sustained yield was determined to be 1 gallon per minute during testing. The well is designated for domestic use and potable water supply for occupants of the South Fork Guard Station during summer months, with an approved annual appropriation of 1 acre-foot and a maximum pumping rate of 15 gallons per minute. The original well was plugged and abandoned on July 22, 1980, using neat cement grout and gravel at specified intervals. All documentation was filed in compliance with Colorado Division of Water Resources regulations and received final approval from the State Engineer.