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1 <br />' Bar graphs depicting spring flows from 1979 to present have been included for <br />the 1986 Annual Hydrology Report and are contained in Appendix D. <br />' Springs were monitored when accessible and the records for the most part are <br />good. In early spring G-25, G-28a, and G-31 were made inaccessible by <br />landslides in Lone Pine Gulch and on the road to the springs. <br />' 1.3 Ground Water Monitoring <br />During Water Year 1986 water levels were monitored monthly at 30 wells when <br />weather permitted. The location of these wells are shown on bchibit I. <br />Wells included in the hydrology monitoring program for water year 1986 are shown <br />' in Table 1.2-2 along with monitoring frequency, type, and sampling. <br />Groundwater well ironitoring data such as water level (if present), quality, <br />' dates, and other pertinent information is contained in the Quarterly Hydrology <br />Monitoring Reports. Well hydrographs for the 1986 water monitoring quarters are <br />also contained in the reports. These hydrographs are cimiulative for the year. <br />' Monthly water level records were near complete at all locations. There has been <br />a constant problem over the last 2 years with an obstruction in well 38-H-2 <br />which has caused some lost data as the electric level probe will not always go <br />t past the obstruction and gets hung up on the way out. Wells 38-H-1 and 38-H-3 <br />also are problematic in than condensation of moisture inside the casing acts as <br />a water level and causes the electric probe to malfunction before it reaches the <br />' water. This has caused considerable lost data in well 38-H-3 and to a much <br />lesser extent in 38-H-1 <br />Monitoring of wells WR-2 and WR-3 was discontinued upon approval from the <br />t Division in the 3rd quarter of 1985. <br />Water cascading down the casing th well SCM-13 caused a "no-reading" in April. <br />' This has happened several times during spring runoff in previous years. Well <br />GP-2 at the lower refuse pile area was inadvertently destroyed by construction <br />in late December or Early January as it was covered with snow. There are no <br />' plans to replace this well as it is located in the interior area of the refuse <br />pile and was drilled as a test hole. <br />1.4 Mine Water Monitoring <br />' As in 1985 a mine inflow survey was conducted during water year 1986. An <br />underground mine map with inflow areas and sample locations delineated is <br />included as Ekhibit III. The mine inflow survey was conducted June, 1986 to <br />more closely assess peak inflows from spring runoff. The mine inflow survey <br />looked at all previous inflow areas as well as all area mined since the last <br />survey in December of 1985. The three main areas from the previous survey which <br />' had produced sustained inflows in excess of 3 gpm remained active in 1986 but at <br />' (4) <br /> <br />1 <br />