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Reconnaissance Survey of Specific Conductance along the Tongue River between the Streamflow-Gaging Stations at Monarch, Wyoming, and State Line, Montana, September 27-28, 2005
Specific conductance of the Tongue River typically increases between the U.S. Geological Survey streamflow-gaging stations at Monarch, Wyoming (06299980), and State line, Montana (06306300). However, the locations of the inflows contributing the dissolved minerals that increase the specific conductance of the Tongue River are not known. A reconnaissance survey of specific conductance was conducted September 27-28, 2005, to determine where specific conductance increases through this reach. Specific conductance was measured at 23 sites along the mainstem of the Tongue River and at 21 inflows (fig. 1).
Measurements on September 27 began downstream from the bridge at Montana Highway 314 at 0941 hours and were completed at 1830 hours at the State line gage. Measurements on September 28 began at the Monarch gage at 0830 hours and were completed at 1130 hours upstream from the bridge at Montana Highway 314 (fig. 2; table 1). Measured inflows (table 2) included tributaries, an irrigation return flow, and permitted discharges from coalbed methane production facilities. Water-quality samples were collected for laboratory analysis from selected inflows. Sodium adsorption ratios for these samples are listed in table 2; other analytical data for these samples is available at http://nwis.waterdata.usgs.gov/usa/nwis/qw.
Figure 1. Location of sampling sites, September 27-28, 2005.
Figure 2. Specific conductance of the Tongue River, tributaries, and other inflows between U.S. Geological Survey streamflow-gaging stations at Monarch, Wyoming (06299980), and State line, Montana (06306300), September 27-28, 2005.
Table 1 . Specific conductance of the Tongue River, September 27-28, 2005, Wyoming and Montana. |
[Sites are listed in downstream order. Site at river mile 0 is Tongue River at Monarch (0629998). Site at river mile 31.14 is Tongue River at State line (06306300). Abbreviations: ft3/s, cubic feet per second; µS/cm, microsiemens per centimeter at 25 degrees Celsius. Symbol: --, no data] |
Latitude |
Longitude |
River mile |
Date |
Time |
Specific conductance (µS/cm) |
Streamflow (ft3/s) |
44º 54" 8.20' |
107º 1.0" 12.1' |
0 |
9/28/2005 |
0830 |
420 |
74 |
44º 54" 25.3' |
107º 0.0" 41.6' |
0.64 |
9/28/2005 |
0845 |
419 |
-- |
44º 54" 29.2' |
107º 0.0" 30.5' |
0.84 |
9/28/2005 |
0850 |
419 |
-- |
44º 54" 34.0' |
107º 0.0" 29.4' |
1.04 |
9/28/2005 |
0857 |
419 |
-- |
44º 54" 27.6' |
107º 0.0" 2.30' |
1.40 |
9/28/2005 |
0908 |
419 |
-- |
44º 54" 43.0' |
106º 59" 40.3' |
1.84 |
9/28/2005 |
0917 |
420 |
-- |
44º 54" 51.6' |
106º 59" 29.8' |
2.24 |
9/28/2005 |
0925 |
420 |
-- |
44º 54" 48.6' |
106º 59" 19.7 |
2.44 |
9/28/2005 |
0936 |
420 |
-- |
44º 54" 47.6' |
106º 59" 10.9' |
2.54 |
9/28/2005 |
0938 |
420 |
-- |
44º 54" 33.6' |
106º 58" 11.2' |
3.64 |
9/28/2005 |
1016 |
520 |
-- |
44º 54" 26.4' |
106º 57" 50.2' |
3.94 |
9/28/2005 |
1024 |
520 |
-- |
44º 54" 28.7' |
106º 57" 13.5' |
4.54 |
9/28/2005 |
1050 |
520 |
-- |
44º 56" 44.0' |
106º 56" 35.0' |
12.94 |
9/28/2005 |
1130 |
522 |
-- |
44º 57" 33.5' |
106º 55" 16.2' |
15.54 |
9/27/2005 |
0941 |
539 |
-- |
44º 58" 24.7' |
106º 54" 50.7' |
17.04 |
9/27/2005 |
1100 |
543 |
-- |
44º 58" 55.3' |
106º 53" 40.7' |
19.34 |
9/27/2005 |
1140 |
544 |
-- |
44º 58" 56.1' |
106º 53" 25.0' |
19.74 |
9/27/2005 |
1200 |
542 |
-- |
44º 59" 31.6' |
106º 53" 35.9' |
20.48 |
9/27/2005 |
1215 |
542 |
-- |
44º 59" 41.4' |
106º 53" 14.7' |
20.94 |
9/27/2005 |
1235 |
541 |
-- |
44º 59" 16.7' |
106º 53" 13.7' |
21.54 |
9/27/2005 |
1253 |
540 |
-- |
44º 59" 56.5' |
106º 52" 31.9' |
22.84 |
9/27/2005 |
1400 |
539 |
-- |
44º 59" 24.0' |
106º 49" 49.2' |
27.94 |
9/27/2005 |
1645 |
544 |
-- |
45º 00" 32.0' |
106º 50" 08.0' |
31.14 |
9/27/2005 |
1830 |
625 |
195 |
Table 2 . Physical and chemical characteristics of inflows to the Tongue River, September 27-28, 2005, Wyoming and Montana.
|
[Sites are listed in downstream order. Station names for permitted discharges from coalbed methane facilities correspond to names designated by the Montana Department of Environmental Quality. Site type: T, tributary; I, irrigation return flow; C, permitted discharges from coalbed methane facilities. Abbreviations: ft3/s, cubic feet per second; µS/cm, microsiemens per centimeter at 25 degrees Celsius; SAR, sodium adsorption ratio. Symbol: --, no data]
|
Site name |
U.S. Geological Survey station number |
Latitude |
Longitude |
River mile |
Site type |
Date |
Time |
Stream-flow (ft3/s) |
Specific conductance (µS/cm) |
SAR |
Goose Creek near Acme |
06305700 |
44º 54" 44.6' |
106º 58" 45.3' |
2.81 |
T |
9/28/2005 |
1000 |
87 |
612 |
0.63 |
Ash Creek near mouth |
445700106563101 |
44º 57" 00.0' |
106º 56" 31.0' |
13.07 |
T |
9/28/2005 |
1135 |
0.10 |
1,700 |
1.5 |
Youngs Creek at mouth |
445817106544601 |
44º 58" 17.0' |
106º 54" 46.2' |
16.52 |
T |
9/27/2005 |
1030 |
0.27 |
1,260 |
0.97 |
Unnamed irrigation return flow |
-- |
44º 59" 39.1' |
106º 53" 37.2' |
20.24 |
I |
9/27/2005 |
1230 |
-- |
530 |
-- |
MT-0030457-009 |
445949106524801 |
44º 59" 48.9' |
106º 52" 48.4' |
22.17 |
C |
9/27/2005 |
1315 |
0.26 |
2,050 |
42 |
MT-0030457-008 |
-- |
44º 59" 55.2' |
106º 52" 48.0' |
22.27 |
C |
9/27/2005 |
1340 |
0.002 |
2,160 |
-- |
MT-0030457-002 |
-- |
44º 59" 56.5' |
106º 52" 31.9' |
22.47 |
C |
9/27/2005 |
1354 |
<0.01 |
-- |
-- |
MT-0030457-003 |
-- |
45º 00" 06.8' |
106º 52" 27.2' |
22.73 |
C |
9/27/2005 |
1405 |
Dry |
-- |
-- |
MT-0030457-004 |
450011106522501 |
45º 00" 10.9' |
106º 52" 25.2' |
22.77 |
C |
9/27/2005 |
1413 |
0.034 |
1,980 |
53 |
MT-0030457-001 |
-- |
45º 00" 17.3' |
106º 52" 17.9' |
23.37 |
C |
9/27/2005 |
1440 |
0.004 |
1,880 |
-- |
MT-0030457-010 |
-- |
45º 00" 02.7' |
106º 52" 11.2' |
23.67 |
C |
9/27/2005 |
1450 |
0.009 |
2,040 |
-- |
MT-0030457-005 |
445955106515801 |
44º 59" 54.8' |
106º 51" 57.6' |
23.87 |
C |
9/27/2005 |
1505 |
0.022 |
1,750 |
48 |
MT-0030457-006 |
-- |
45º 00" 09.7' |
106º 51" 16.2' |
24.97 |
C |
9/27/2005 |
1535 |
0.21 |
1,960 |
-- |
MT-0030457-007 |
-- |
45º 00" 15.8' |
106º 51" 10.8' |
25.07 |
C |
9/27/2005 |
1547 |
0.16 |
2,000 |
-- |
Squirrel Creek at mouth |
-- |
45º 00" 15.5' |
106º 51" 04.2" |
25.12 |
T |
9/27/2005 |
1600 |
Dry |
-- |
-- |
MT-0030457-011 |
-- |
44º 59" 55.1' |
106º 50" 52.0' |
25.47 |
C |
9/27/2005 |
1615 |
Dry |
-- |
-- |
MT-0030457-014 |
-- |
44º 59" 53.5' |
106º 50" 53.3' |
25.62 |
C |
9/27/2005 |
1620 |
0.33 |
1,830 |
-- |
Prairie Dog Creek near Acme |
06306250 |
44º 59" 53.5' |
106º 50" 53.3' |
27.46 |
T |
9/27/2005 |
1650 |
31 |
1,034 |
0.87 |
MT-0030457-012 |
-- |
44º 59" 49.6' |
106º 49" 26.0' |
28.71 |
C |
9/27/2005 |
1715 |
0.056 |
1,990 |
-- |
MT-0030457-013 |
450007106495201 |
45º 00" 07.2' |
106º 49" 51.7' |
29.91 |
C |
9/27/2005 |
1735 |
0.035 |
1,970 |
57 |
MT-0030457-015 |
450017106494001 |
45º 00" 17.0' |
106º 49' 40.0' |
30.17 |
C |
9/27/2005 |
1750 |
2.0 |
2,440 |
58 |
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