2007-03-27_REPORT - C1980006

• Permit No: C1980006
• IBM Index Class Name: REPORT
• Doc Date: 3/27/2007
• Doc Name: 2006 Annual Hydrology Report
• From: Northwest Colorado Consultants Inc
• To: DRMS
• Annual Report Year: 2006
• Permit Index Doc Type: Hydrology Report
• Email Name: JHB
• Media Type: D
• Archive: No

Marc Mine - 2006 Annual Hydrology Report
TABLE 8 -SITE AP-1 HISTORIC LOADOUT AREA ALLWIAL WATER QUALITY DATA
March 2006
Parameters 1996 1999 2000 2001 2002 2003 2004 2005 2008
Tem °C 9.5 11.0 10.0 10.3 13.3 12.0 12.0 11.7 15.3
H su 7.8 7.9 7.9 8.0 8.0 7.9 7.9 8.0 8.0
EC hos/cm 20°C 467 417 400 400 383 300 233 (') 100 (•) 501
TDS 340 307 303 297 295 293 290 260 303
SAR in water 0.56 0.64 0.71 0.69 0.61 0.60 0.60 0.60 0.60
Calcium dissolved 47.4 45.3 44.3 45.1 45.5 43.7 44.1 36.6 44.7
Sodium dissolved 21.6 23.8 25.8 25.1 22.5 22.3 21.4 19.5 21.5
Ma nesium dissolved 40.9 37.7 35.3 34.6 35.6 34.6 33.9 27.6 33.9
Potassium dissolved 1.1 1.1 1.0 1.2 12 1.0 0.9 1.0 0.9
Sulfate 33.3 30.0 33.3 27 20 43.3 23.3 30.0 36.7
Chloride 6.7 4.7 4.3 5 4 3.3 3.0 3.7 4.3
Carbonate as CaC03 <2 3.7 <2 <2 <2 <2 <2 <2 <2
Bicarbonate as CaC03 297 281 268 284 259 249 270 235.5 254.3
Fluoride 0.5 0.5
Nitrate-Nitro en diss <0.02 0.07 0.03 0.03 0.26 D.D2 0.01 0.01 0.02
Iron dissolved 0.19 0.11 0.12 0.27 0.11 0.42 0.24 0.3 0.37
Man anese dissolved 0.581 0.574 0.427 0.450 0.463 0.499 0.352 0.276 0.226
Notes: All values represent water year mean values in mg/I unless otherwise noted.
`=Equipment malfunction for EC (2004 and 2005)
FIGURE 4
EC vs TDS - WELL AP-1
soo
600 -~ -- -- - ' -- ----•'- -' - ----- - -- --' -- ~- -- ~ ---- ----- -
E 700 - ------ `-----------'-----------'------------'----------'------------`--------- --------- ---------- ---------- - -----
, ,
c 60D
E

v 500
;.
----- - ~ - - +----- ~ --- -----~ - - - - - -- ---- ~ - -----% - --
w ;
a i i i i i
! i i
~
Q 400 -- ---
----_----- --------- --~_
Q-~---A$~-A-iA9----- - :---_____P:.._-_-______:--------_- __
^
a
E 300

~ ~:
i i
-----------~---------- ~---------- -~- -------- ~------ '- ---- - --------- --------- - - -------- - -----

~ 200 --_-___---<'------...__--------------i- •----___._., --..--_..__L_~------ O___- , _--______-.t-_-._ ,

100 ,
0

Jul-96 Jul-97 Jul-98 Jul-99 Jul-00 Jul-01 Jul-02 Jul-03 Jul-04 Jul-05 Jul-06
DATE
-/-TDS SEC
Note -Equipment malfunction for EC in parts of 2004 and 2005, data removed.
File: 6371/2006/u106 hydrology cpt Page 12