2011-02-25_REPORT - C1980005 - Laserfiche WebLink

Home Browse Search

1, 1989 were temperature corrected to 25° C. The formula for correcting non-corrected conductivity data may be found in the 1990 through 1992 AHRs. SCC instituted in 1995 a new monitoring site numbering system for its new ParadoxTM water quality database. This new system is detailed in Table A. For convenience sake, this table has been placed at the end of the Table of Contents (see previous page). In addition, Table 3, Summary of Ground Water Monitoring Wells; Table 8, Summary of Surface Water Monitoring Sites; and the Table of Contents of Appendices B through D have all been revised to correlate the old site (and map) name to the new (Paradox) computer name. The new computer name will be used throughout the following text. Meteorological Data There is no met station in the new Seneca II permit area, so this AHR will use data collected at the adjacent PSCM. Precipitation data was obtained at the PSCM using a Belfort Weighing Bucket Rain Gage. Daily precipitation data for this year are presented in Table 1. Total monthly precipitation data collected since 1981 are presented in Table 2. Where indicated, data from the U.S. Weather Service - Hayden Station were used. The PSCM precipitation gage measured 15.10 inches this year. This value is 2.96 inches (16%) below the 1981-2010 average. Temperature, wind speed and direction data are presented in Appendix B of the Seneca II-W AHR. The Seneca II-W Mine Meteorological Station located approximately seven miles southwest of the PSCM. Climatic conditions are similar between the two mines. Data from the National Climatic Data Center's Hayden Station is used here to evaluate the precipitation trend. These data are provided in Appendix B of the Seneca II-W AHR. For this year, 17.85 inches of precipitation was measured, which is 0.51 inches (3%) above the 1971- 2000 average, 17.34 inches. The months of December, March, April, May, June and August were above average. Snowpack runoff, as estimated by 2