WSP10284 - Laserfiche WebLink

Home Browse Search

100 022~ Z'" Qal 80 .,< 0:0: >-'" z> ",0 U ~~ 60 8;;! 0:>- "'0 0..>- ~~ 40 <,J>- cz "'''' >u -'0: lil it' 20 !!lz c- o ~ ~O~ ~~ ~~ 0\",~~0 ...s.,t,o$J- ~\rR ~~$\fJ ~~0 ,,0 '0..... ~ ~o ~ Figure 8. Median percentages of dissolved copper in percentage of total-recoverable copper concentrations in the upper Arkansas River, April 199O-March 1993. Table 6. Average percentages of instantaneous streamflow and instantaneous total-recoverable copper load contributed to the Arkansas River by the upstream main-stem site and the intervening tributaries in the same reach, April 199O-March 1993 [Main-stem sites are in capitallcuers; --, insufficient data] Streamflow Total-recoverable copper IOld Site name (In percent) (In percont) (see tabla 1) Apt'1I June July- October April June July- October Auguat August Main-stem reacb I (Leadville to Malta) LEADVILLE 41 70 54 30 18 42 12 California Gulch 2 I 2 I 100 46 34 Lake Fork above Halfmoon Creek 39 2\ 36 35 24 34 20 Iowa Gulch 0 4 4 4 10 Empire Gulch 0 2 I 0 I 0 Main-stem reach 2 (Malta to Granite) MALTA 56 32 30 80 74 37 67 Lake Creek below Twin Lakes Reservoir 19 59 56 12 16 38 12 Main-stem reach J (Granite to Buena VIsta) GRANITE 76 78 78 76 120 170 90 Clear Creek below Clear Creek Reservoir 9 12 15 10 4 17 6 Main-Item reach 4 (Buena Vista to Nathrop) BUENA VISTA 78 92 80 53 95 52 34 Cottonwood Creek 2 I I 7 1 I 2 Chalk Creek I 9 8 8 I 4 4 M"'1l,-\\tcm ,.tac.b S C"Iatbro'p.\o WeU~"ri.Ut) NATHROP 99 99 96 77 90 283 162 South Fork Arkansas River 2 3 I 5 I 6 2 Main-stem reach 6 (WeUnille to Parkdale) WELLSVILLE 83 88 95 87 70 90 124 Badger Creek 3 0 I 2 3 I 2 Tallahassee Creek 0 I 0 I 0 0 0 Main-stem reach 7 (parkdale to PortlaDd) PARKDALE 11 98 122 104 130 116 30 Founnile Creek 11 2 5 6 5 5 6 WATER QUALITY 21