2010-04-16_REPORT - C1982056 ‎(3)‎

• Permit No: C1982056
• IBM Index Class Name: REPORT
• Doc Date: 4/16/2010
• Doc Name: 2009 Annual Hydrology Report
• From: Twentymile Coal Company
• To: DRMS
• Annual Report Year: 2009
• Permit Index Doc Type: Hydrology Report
• Email Name: JDM
• Media Type: D
• Archive: No

•
TABLE : 35
WATER QUALITY MONITORING DATA
Site: 900 (900 USGS 09243900, Surface Samples) DATUM =
0 0
CATEGORY PARAMETER ANALYSIS TYPE UNITS OCT NOV DEC JAN FEB MAR APR APR MAY JUN JUL AUG AUG AUG AUG SEP SEP SEP
Date 11/14/2008 3130/2009 4/18/2009 4/23/2009 5/21/2009 6/1/2009 7/13/2009 8/7/2009 8/1212009 8/21/2009 8/28/2009 9/4/2009 9/11/2009 9/30/2009
FIELD WATER LEVEL FIELD FT 2 2.93 .3.97
FLOW FIELD CFS 2
1 17 14' ' ' ` ` '
. 4 3.0 0.3 0.3 0.52 0.03
PHYSICAL CONDUCTIVITY LAB UMS/CM 2980 2785 2713 2580 2650 2670 2370 2377 2389 2387 2395 2257 2090
PH LAB S.U. 8.4 8.55 8.6 8.7 8.5 8
62 8
6 8
6 8
65 8
72 8
68 8
7 7
8
SOLIDS TOT-DISS, LAB MG/L NO 2440 2310 . .
1620 . . . . . .
1490
SUSPENDED MG/L 64 7 75 36
CATIONS CALCIUM DISSOLVED MG/L MONITORING 192 217 1
63 63
3
MAGNESIUM DISSOLVED MG/L 147 190 .
57
9 .
1
53
SODIUM DISSOLVED MG/L REQUIRED OCT 339 168 .
389 .
356
SAR

LICABLE
NT

O
4.53
2.03
8.61
8
08
ANIONS BICARBONATE ASHC03 MG? THROUGH FEB 463 393 480 .
423
CARBONATE AS C03 MG/L 8 23 31 28
SULFATE NOT APPLICABLE MG/L 1330 1270 1310 1330 770 710
PRIMARY CADMIUM TOTAL RECOV UG/L < 0.5 < 0.5 < 0.5 < 0
5
SELENIUM TOTAL RECOV UG/L 2.6 0.4 < 0.5 .
0.3
SECONDARY SILVER TOTAL RECOV UG/L < 0.3 < 0.3 < 0.3 < 0.3
ZINC TOTAL RECOV UG/L 40 < 100 < 50 < 50
IRON TOTAL RECOV UG/L 910 2200 260 2810 1470
MANGANESE TOTAL RECOV UG/L 420 120 490 259
TRACE METALS MOLYBDENUM TOTAL RECOV UG/L < 100 < 100 < 50 <50
NUTRIENTS NITROGEN N03-N02 MG/L 0.78 0.02 0.11 0.08
AMMIA-FREE MG/L <0.5 <0.5 0.20 0.08
Explanation: ' Based upon a stream gage study conducted by Rivers Unlimited (of steamboat Springs) at this site.