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INTRODUCTION <br />The Empire Energy Eagle No. 5 and No. 9 Mines are underground coal mines <br />located approximately 7 miles south of Craig, Colorado (Figure 1). The <br />areal extent of the underground workings in the No. 5 Mine was <br />' approximately 1,600 acres at the end of 1984 and in the No. 9 Mine was <br />approximately 1000 acres. The coal being mined is from the Cretaceous Age <br />Williams Fork Formation. The No. 9 Mine is in the "P" seam and the No. 5 <br />Mine is in the stratigraphically lower "F" seam. <br />Hydrologic monitoring has been conducted at the mine site since 1980. <br />This report presents the results of the 1984 monitoring. This report <br />fulfills the requirements of Stipulation No. ~7$in the mining permit for <br />the No. 5 and No. 9 Mines. The permit application for these mines contain <br />a discussion of the monitoring prior to April, 1983. The complete 1983 <br />' monitoring is presented in the 1983 Annual Report. <br />The hydrologic monitoring is divided into two parts: 1) ground water and <br />2) surface water, The monitoring locations are shown on Figure 2 and <br />summarized on Table 1. The water quality monitoring includes field <br />parameters (Table 2), water quality parameters (Table 3) and NPDES <br />parameters (Table 4). All of the monitoring is carried out by Empire <br />Energy personnel. The water quality samples are analyzed by Bookcliffs <br />Commerical Laboratories, Steamboat Springs, Colorado, an USEPA certified <br />laboratory. This report includes data collected specifically to meet <br />requirements of the Colorado MLRD as well as data collected to meet the <br />requirements of NPDES permits. A complete listing of the 1984 water <br />quality data is presented in the Appendix. <br /> <br /> <br /> <br /> <br /> <br /> <br />-1- <br />