Laserfiche WebLink
1999 D. le4 cfs <br />1998 0 .317 cfs <br />1997 0. 343 cfs <br />1996 0. 144 cfs <br />1995 0 .106 cfs <br />1994 0 .010 cfs <br />1993 0. 127 cfs <br />1992 0. 036 cfs <br />1991 0. 062 cEa <br />1990 0. 055 cfs (pond did not completely fill until Harch 29, 1990). <br />Tha above table indicates the third highest average flox on record occurred this year. <br />Fl or values for this pond have been affected by a 3.4 foot increase in spillway elevation <br />on July 31. 1991, the installation of a 4-inch orifice on the riser pipe on November 2, <br />1995, and the dredging of this pond that occurred in the summer of 1996 and the fall of <br />1997. An upstream preeettlinq pond was added in MarC]~ 1998. The principle apillxay <br />' elevation was changed again, and the derataring ox if ice removed, in August 1998. Also <br />_ affecting discharges from this pond are the puu~ing of rater from this pond for rater <br />.~• trucks and the pumping of water Into this pond from the mine water supply roll (WTC 201). <br />Aeview of the TDS plot indicates an increasing trend due to runoff from mine spoils. <br />Baseline data for this site (6586) has been provided just prior to the TDS plot. <br />- Suz£aca Na ter Si to Sit-52N-FG1 (HSAFl). This site is located on eubberson Gulch <br />doxnstream of the 006 Gulch confluence. It hoe been monitored sinco July 1979. The peak <br />floc this yaaz xas loxer than that observed in the prior Four yearn. The TDS plot <br />indicates a decreasrng trend. Tha Seneca II-H PeC predicts an irrigation season fJUne- <br />September) average TDS value of 2193 mg/1 for this Bite, chile a value of 1100 mg/1 ran <br />observed thra year. <br /> - NPDES 005 (NPDESS). Thie sediment pond ie located in the north mining azea on a <br /> tributary to Dry Creek referred to as the 005 Gulch. Construction of this pond ran <br /> completed in July 1992 and the first discharge occurred on April 22, 1993. Thie pontl ras <br /> dredged once in the summer of 1998. The rater year average !lore (from reekly <br /> measurements) since this pond began to discharge aze: <br /> 1999 0.057 cfs <br /> 1998 0.110 cfs <br />13 <br />