PERMFILE52160

• Permit No: C1980005
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: pg 7-150 to 7-299
• Section_Exhibit Name: TAB 07 HYDROLOGY PART 2
• Media Type: D
• Archive: No

Table 7-55 (Continued)
Comparison of Same-Day Instantaneous Flow (cfs) and
TDS (mg/1) Data at Four Nionitoring Sites within the
Grassy and Little Grassy Creek Drainage During the
Months of June through September 1981-1986,
Seneca II Mine, Routt County, Colorado
V
0
a
0
0
w
rn
June July Au ust September
Q TDS Q TDS Q TDS Q TDS
66/08/84 07/18/84 08/08/84 09/05/84
1984 SW-52-1 7.891 355 1.145 465 _
0.712 (495)2 0.464 (525)2
SW-S2-2 10.057 684 2.058 1385 1.068 (1345)2 0.959 (1345)2
NPDES U02 2.4761 24501 0.511 2610 0.294 2570 0.201 2640
NPDES 003 0.0261 17201 No Flow No Flow No Flow
06/06/85 07/09/85 08/05/85 09/04/85
1985 SW-S2-1 2.630 535 0.712 (615)2 0.410 (55U)2 0.232 552
SW-S2-2- 4.487 1220 1.671 (1420) 1.114 (1655)2 0.897 2000
NPDES 002 0.696 2450 0.402 2620 No Flow No Flow
NPDES 003 0.557 2370 0.014 2540 0.542 2610 0.526 2670
06/03/86 07/10/86 08/05/86 09/04/86
1986 SW-S2-1 2.322 608 1.027 (620)2 0.341 (620)2 0.138 624
SW-S2-2 2.313 1156 1.406 (1420)2 0.410 (1610)2 0.496 1230
NPDES U02 0.220 2526 0.0004 2584 No Flow 0.096 2868
NPDES 003 0.449 2490 0.429 2708 0.323 2726 0.076L654
1Sauipled on 06/04/84.
TDS value in parentheses has been estimated from the relationship of field conductivities (corrected to 25°C) and
laboratory TDS values.