PERMFILE57005

• Permit No: C1980005A
• IBM Index Class Name: Permit File
• Doc Date: 5/20/2005
• Section_Exhibit Name: Tab 7 Hydrology
• Media Type: D
• Archive: Yes

•

eb le 7-26, •

N-S2-2 Water Quality of Grassy Creek ibrristreem
Seneca II M1ne, Routt County, Colorado.

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Parameter 4-24-80 6-24-80 B-O1-80 9-26-80 I1-23-80 11-2d-80 12-18-80 1-IS-81 2-11-81 3-20-81 4- -81
Ac kitty as CaC03 -121 -275 -257 -297 -376 -309 -330 -317 -318 ~ -265 -321
Alkalinity as CeC03 147 302 27d 303 358 363 358 372 322 272 319
Aluminum (Total) --- .2 .5 .5 .4 1.3 1.4 1.4 --- .2 .2
Ant lnrony --- 0.002 0.002 <.002 <,002 <,002 <,002 <, 002 --- --- ---
Arsenic <0.001 <0.001 <.001 <,001 --- ---•-
~ --- --- <,OOL ___
Bar lum 0.2 .3 .2 .] .2 .2 .2 --- .2 .2
Boron .270 0.379 0.507 .170 .611 .413 .571 .396 --- .183 .351
Cadmium --- <0.002 <0.002 <.002 <.002 --- --- ~--- --- <.002 <.002
Celt lum 75 173 150 195 275 301 301 271 2B2 164 190
Chloride 5 13 15 36 26 28 28 27 29 16 18
Chromium 0.0J < 0.02 <0.02 .02 <.04 --- --- --- --- .03 <.02
Conductly lty (Lab) (uni~os) 878 1248 1420 1535 2030 2400 2400 2080 2060 1580 1840
CoPPer .02 <0.02 <0.02 ,02 .05 --- --- --- --- .01 .02 ct
Flow (GPM) 12280 911 193 40 28 78.76 106 --- --- 975 530 n
Fluor lde
___ 0.26 0.28 .27 ,32 .27 .28 .23 --- .28 .32 ~
Hardness (TOtal 426 050 754 860 1147 --- --- ___ ___ 824 963
~
Iron (Dissolved --- .02 0.05 0.04 0.02 0.06 0.04 0.04 0.10 .06 .02
Iron (Total) --- 0.34 0.44 0.44 0.33 1.42 1.13 1.63 3.25 2.75 2.07
Lead -- <0.02 <0.02 c0.02 c0.02 <0.04 <, 03 <, 02 --- <, 02 c, 02

Magnesium 49 110 100 100 123 159 138 131 -- 102 128
Maganese (Total) .11 0.10 .04 .09 .24 .29 .25 ,33 .32 .30 .18
Mercury (ug/1) 0.03 <0,02 .03 .03 <.02 --- --- --- --- <,02 <,02
Molybdenum <.2 -._ <,2 <,2 .2 -° --- --- --- <,2 <,2
N1cke1 --- <0.02 <.02 <,02 <.02 <.02 <,02 <,02 --- <.02 ---
Nltragen - Y~eldahl --- 0.75 0.66 .61 .92 --- --- --- --- --- ---
NH4-N <.10 <.10 0.15 .10 .36 --- --- --- <,10 <,10
N02 + NO3 20.7 2.78 1.8 2.4 3.35 3.50 4.26 3.97 - 2.10 1.91
pH (F tell/Lab) 8.1 8.3 8.4 8.1 8.0 7.9 8.0 7.9 7.5 8.1 7,9
PO as P 0.21 0.06 0.07 0.04 0.03 0,13 0.18 0.20 --- .20 .15
Pogassl:-~ 2 6 6 5 7 9 8 6 --- 6 5
SAR (Unit less) --- 1.52 O.B2 0.77 1.03 1.5 1.35 1.17 --- 1.22 ---
Selenium --- <,001 <.001 <,001 <,OD1 <.001 --- --- --- <,001 <.0p1
5111ta --- 3.1 d,1 4.8 ~ 5.0 5.7 6.0 7,5 --- --- ---
S11vtr 0.006 0.003 0.006 .007 .005 --- --- --- --- --- ---
Sadtum 40 75 53 54 82 129 110 95 81 101
Solids ((Dissolved) 559 1248 1112 1210 1724 2231 1857 1806 2319 1323 1535
So11ds (Total Suspended) '166 7 16 42 24 92 78 66 170 98 92
Sul7ate 335 672 SB1 695 900 1178 952 872 --- 665 833
Su lade --- --- --- --- --- .00
Turbfdity (JTU) --- 7 16 34 8 26 22 3B --- --- ---
Z1nt 0.04 0.03 0.03 0.00 0.02 0.02 .02 ,03 --- .O1 .O1
Cet ion-Anton Galante +,5 M,4 +.5 ~ +1.03 +1.01