WSP06816

• File Number: 8170
• Description: Arkansas Basin Water Quality Issues
• State: CO
• Basin: Arkansas
• Water Division: 2
• Date: 1/1/1996
• Author: USGS
• Title: Water-Quality Data for the Arkansas River Basin - Southeastern Colorado - 1990-93
• Water Supply Pro - Doc Type: Data

Table 7. Onsile measurements and selected inorganic data for station 07079200. Leadville Mine Drainage
Tunnel al Leadville
015- PH
CHARGE, SPE- WATER HARD- MAGNE-
1N9T. CIFrc WHOLE Nt" CALCIUM SlUM, SODIUM,
CUBIC CON- FIELD TE:MPER. OXYCl1:N. TorAL DIS- ors- 015-
FEET DoeT- (STAND- ATURE OIl;- (MeIL SOLvtD SOLVED SOLVED
DATE TIME PER "'CE ARD WATER SOLVED AS (Mc/L (M;;:;(L cHelL
SECOND lOS/CM) lJNITSI (DEe C\ (HG/L) CAca]) AS CA.) AS M::;) AS NM
APR 1991
22... 1640 2.5 1010 7.S 7.1 '70 160 1B . .0
HAY
1).. . 1310 1.. 1010 7.1 7.5 6., 5.0 130 52 3 .B
JUN
18.. . 0725 2.7 B59 7.0 B.O 7.1 450 110 '3 3.3
JUL
16... 0840 2.B 732 7.3 7.5 7.B 3BO 9. J6 2 .7
AUC
12... HiOO 1.5 661 7.5 B.O >sn B5 3. .2
OCT
21... 1700 1.B B'7 7.' 7.0 7.3 ..n 11n ., 3.'
UEe
16... DDO 2.3 B'7 7.' 7.n 7.3
APR 1992
20.. . 17]0 2.6 93n 7.0 7.n B.2
HAY
20.. . 1230 1.9 1010 7.6 7.5 B.2
JUN
24.. . 1100 2.0 80S 7.' 7.5 '.6
JUL
13.. . 1030 2.3 712 7.5 7.5 '.3
AUC
11.. . 0645 2.5 657 7.' 7.5 ...
OCT
26... 1210 2.5 76. 7.' 7.0 '.7
JAN 199]
11_. . 1040 2.3 835 7.6 7.n '.5
HA'
22... 0900 2.' ",0 7.6 7.0 '.2
SOLIDS, NITRO- NITRO-
RESIDUE NITRO. CEN, NITRO- GEN, CADMIUM CHRO- COPPER.
AT 180 GEU, 002+00] CEN. i\HHONIA TOTAL c..\DMIUM HIUH, T(YrAL COPPER,
DEG C 002+003 DIs- AMMJNIA DIS- RECOV. Ins- DIS- REeov- DIS'
015. TOTAL SOLVED TOTAL SOLVED ERJ\.BLE SOLVED SOLVED ERI\BLE SOLVED
DATE SOLVED (MC:/L {MG/L (MG/L (MG/L (UG/L lOG/I.. (UGIU lOG/I.. (!JG/L
(!-{GILl i\S Nl AS N) As N) AS N) AS CD) AS eo} AS CR) AS e!Jl AS C!J)
APR 1991
22... 60n 0.400 0 .020 <1 11 <10 2
HAY
13.. . 7'2 0.4.90 0.021 .n 38 <5 '0 <10
JUN
18.. . 601 0.420 0.030 36 31 <5 20 <10
JUL
16... 507 0.340 ..;0.010 23 18 <5 10 <10
AUC
12.. . '68 0.410 0.030 13 12 <5 20 <10
OCT
21.. . 557 0.390 0.020 " 11 <5 <10 <10
DEe
16... 6.3 0.381 0.024 10 In <1
i\PR 1992
20.. . '" 0.374 0.024 <1 <0.1 <1 <1
HAY
20.. . 760 0.419 0.(115 <1 n.' <1 <1
JUN
24... ,,. 0.333 0.010 <1 o.~ <1 <1
JUL
13.. . 518 0.342 0.008 <1 0_' <1 <1
ADC
11.. . '60 0.385 0.016 1 0.1 1 <1
OCT
26... 5" 0.410 0.014 <1 0.3 <l <1
JAN 1993
11.. . 607 0.30;18 0.016 <1 n.2 <1
HAR
2:.!... ... 0.389 0.015 <1 0.3 <1 <1

16 W.I8r-Qu.IIly 0.18 for th. Arbn... Rlv.r S..ln, South...tom Color.do, 19l1ll-43