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TABLE 8 <br />Summary of Surface Water Moni torinq e1teB, Yoaet Hine <br />9ita <br />Number Location and <br />Elevation Pazlod of <br />Operstlon <br />Comments <br />YSSF3 Upper Ssge Creak 09/90-present 2.5 ft. wide (2 .0 ft. deep) Perehall flume r/continuous flow <br /> 7609 teat recorder, monitors upstream of Yoaet Hine <br /> (SNB7W30BeA) <br />Y9361 Middle Bage Czaek 01/81-10/83 2.5 ft. wide (2.0 tt. deep) Perehall flume w/continuous <br /> 7216 feet recorder, monitors downstream of Yoaet MSne. Data for thin <br /> (5N87W18CDD) fos this site contained in UBG9 Opan-File Report 90-708. <br /> Discontinued 10/83, flume relocated to 91te YBSF3 Isae <br /> above) summer 1990. Replaced by 81te Y992 fees below) in <br /> 5/91 <br />Y892 Middle 9sge Creak 05/91-praeant No instrumentation, replaces Bite YB8F1 (sea above!, <br /> 7218 teat located approx. 150 ft. upstream at Site YeSFl due to <br /> (SN87W18CDD1 beaver dome <br /> i <br />HSSF3 Lower saga Creak 09/90-praeant 3.0 ft. wide (2.5 ft. deep) Paschall flume v/continuous <br /> 6857 teat flow recorder, monitors downs traam of both Yoaet end <br /> (SNBBW11aCC) 9anaca II-W Mines <br />Y8SF2 Y1 Pond, Tributary to saga Creek 03/91-10/99 1.0 ft. wide (1 .5 fi. deep) Perehall flume w/eontinuoue <br /> 7258 fast flow recorder, moni tore discharge of Y1 Pond (renamed tc <br /> (SN87W19B11A) NPDE912 11/991. <br />Y993 Y1 Drew, Tributary to Bnga Creek 05/91-10/93 No instrumentation, moni tore Snllow to Y1 Pond <br /> 7265 last 5/98-10/98 Discontinued 11/1999. <br /> (SN87W19A8B) <br />Y8AF4 Armand Drsw, Tributary to Grssey 05/91-06/96 1.5 tt. wide (1 .5 ft. deep! Perehall flume w/continuous <br /> Creek ~ flow recorder. Monitors bneallne data only for Amend <br /> 6968 teat Dtaw downstream o! proposed mining. Discontinued <br /> (SN87SiBCDB) and replaced with YSA4 <br />Y8GF5 Crssey Creek 04/91-praeent 2.0 ft. wide 12.0 ft. deep) Perehall flume w/continuous <br /> 6905 feet flow recorder. Monitors downstream of minor disturbances <br /> ISN87W16DAA) by YoseG Mina in Graeey Czaak basin. Will dieeontinue <br /> continuous !low recorder starting in 1994 <br />YSA4 AMand Draw Tributary 06/96-08/96 No instrumentation, monitors Amend Drew below NPDESIO vita, <br /> to Gcasay Creak discontinued 1996 upon completion of that pond. <br /> 6780 feet <br /> (SNB 7t18ABD1 <br /> • • • <br />D <br />