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Water Quality Samples for the Nation

! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024
with a full decommission expected 6 months later. Learn more about the upcoming change and where to find the new samples data in our blog.
To view additional data-quality attributes, output the results using these options: one result per row, expanded attributes.
Additional precautions are here.


USGS 06307830 Tongue R bl Brandenberg bridge nr Ashland MT

Rosebud County, Montana
Hydrologic Unit Code 10090102
Latitude  45°50'25.39", Longitude 106°13'24.36" NAD83
Drainage area 3,879  square miles
Gage datum 2,760 feet above NGVD29
Output formats
Parameter Group Period of Record table
Inventory of available water-quality data for printing
Inventory of water-quality data with retrieval
Tab-separated data, one result per row
Tab-separated data one sample per row with remark codes combined with values
Tab-separated data one sample per row with tab-delimiter for remark codes
Reselect output format
Sample
Datetime
Time
datum
 
Time
datum
reliability
code
 
Sample
Medium
Code
 
Agency
Collecting
Sample,
Code
 
ITIS
taxonomic
code
 
Body
part
code
 



Temper-
ature,
water,
deg C
(00010)


Instan-
taneous
dis-
charge,
ft3/s
(00061)
Specif-
ic
conduc-
tance,
wat unf
uS/cm @
25 degC
(00095)



Dis-
solved
oxygen,
mg/L
(00300)

pH,
water,
unfltrd
field,
std
units
(00400)
ANC,
wat unf
fixed
end pt,
field,
mg/L as
CaCO3
(00410)



Calcium
water,
fltrd,
mg/L
(00915)


Magnes-
ium,
water,
fltrd,
mg/L
(00925)



Sodium,
water,
fltrd,
mg/L
(00930)



Sodium
adsorp-
tion
ratio
(00931)


Potas-
sium,
water,
fltrd,
mg/L
(00935)


Chlor-
ide,
water,
fltrd,
mg/L
(00940)



Sulfate
water,
fltrd,
mg/L
(00945)


Fluor-
ide,
water,
fltrd,
mg/L
(00950)


Silica,
water,
fltrd,
mg/L as
SiO2
(00955)
Alka-
linity,
wat flt
fxd end
lab,
mg/L as
CaCO3
(29801)
Suspnd.
sedimnt
sieve
diametr
percent
<0.0625
mm
(70331)
Sus-
pended
sedi-
ment
concen-
tration
mg/L
(80154)
ANC,
wat unf
fixed
end pt,
lab,
mg/L as
CaCO3
(90410)
1974-04-10 14:30
MDT
T
WS



10.5 202 1050 9.8 7.9                            
1974-05-10 09:00
MDT
T
WS



14.0 760 818 9.0 8.6 215                          
1974-06-13 11:00
MDT
T
WS



19.0 1460 360 7.8 8.2                            
1974-07-16 15:00
MDT
T
WS



26.0 423 490 7.4 8.1                            
1974-08-26 14:15
MDT
T
WS



22.5 321 950 8.4 8.6                            
1974-09-17 12:30
MDT
T
WS



19.0 224 810 8.8 7.8                            
1974-10-01 14:00
MDT
T
WS



12.5 279 810 9.8 8.3 211 57.0 41.0 44.0 1.1 4.60 3.4 190 0.30 5.90        
1974-11-19 13:30
MST
T
WS



3.5 301 860 12.3 8.4 237 66.0 44.0 49.0 1.1 4.60 4.0 210 0.30 7.50        
1974-12-17 12:15
MST
T
WS



0.0 265 1120 12.0 8.3 274 80.0 55.0 56.0 1.2 4.30 4.7 250 0.40 5.10        
1975-01-29 14:30
MST
T
WS



0.0 218 850 9.8 7.7 228 63.0 44.0 54.0 1.3 6.40 5.3 230 0.30 7.10        
1975-02-20 10:15
MST
T
WS



0.0 171 985 8.0 8.2 277 76.0 53.0 63.0 1.4 5.20 5.1 280 0.30 6.60        
1975-03-05 17:00
MDT
T
WS



0.0 1340 420 11.6 7.3 102 27.0 17.0 21.0 0.8 8.30 4.3 80.0 0.20 6.00        
1975-03-20 12:45
MDT
T
WS



4.0 1080 820 11.2 8.4 215                          
1975-03-20 13:20
MDT
T
WS



4.0 1080                               1000  
1975-04-24 12:00
MDT
T
WS



13.0 739 890 9.4 7.9 226 67.0 49.0 83.0 1.9 6.10 4.7 270 0.30 1.80        
1975-05-23 08:45
MDT
T
WS



14.5 1680 765 6.8 8.2 210 63.0 47.0 50.0 1.2 6.90 4.3 260 0.30 6.30        
1975-06-19 18:40
MDT
T
WS



17.0 3500 350 8.4 7.6 107 30.0 15.0 19.0 0.7 2.10 1.4 63.0 0.20 8.30        
1975-07-23 09:30
MDT
T
WS



23.0 1110 400 7.2 8.4 122 39.0 19.0 19.0 0.6 2.30 2.3 81.0 0.30 6.30        
1975-08-21 08:30
MDT
T
WS



20.5 812 560 7.2 7.4 175 52.0 28.0 28.0 0.8 3.20 2.6 130 0.30 7.00        
1975-09-24 10:45
MDT
T
WS



12.0 251 1060 9.2 8.4 234 70.0 50.0 56.0 1.3 5.20 4.4 260 0.30 7.80        
1975-10-23 13:00
MDT
T
WS



5.5 208 960 11.0 8.4 266 69.0 56.0 69.0 1.5 5.60 4.9 300 0.40 5.10        
1975-11-12 10:30
MST
T
WS



0.0 83 1300 12.8 8.3 326 88.0 62.0 110 2.2 6.20 5.9 390 0.40 9.30        
1975-12-18 11:00
MST
T
WS



0.0 231 1070 12.0 8.4 290 83.0 56.0 69.0 1.4 5.20 6.1 300 0.30 3.40        
1976-01-22 10:30
MST
T
WS



0.0 288 1040 12.1 8.0 277 77.0 52.0 64.0 1.4 5.10 4.3 270 0.30 3.50        
1976-02-25 11:00
MST
T
WS



1.0 306 969 11.7 8.2 273 74.0 55.0 62.0 1.3 4.90 5.7 270 0.40 3.00        
1976-03-18 10:00
MST
T
WS



1.0 370 990 11.1 8.1 270 75.0 57.0 68.0 1.4 5.20 4.5 280 0.40 4.10        
1976-04-22 10:00
MST
T
WS



10.5 373 960 9.3 8.2 253 72.0 52.0 64.0 1.4 5.00 4.9 280 0.30 3.10        
1976-05-20 11:00
MDT
T
WS



19.0 700 848 8.0 8.1 205 67.0 48.0 50.0 1.1 4.60 4.3 260 0.30 1.10        
1976-06-29 13:30
MDT
T
WS



22.0 1130 361 8.0 7.9 111 32.0 17.0 17.0 0.6 2.00 2.6 74.0 0.20 5.80        
1976-07-21 09:45
MDT
T
WS



22.5 437 463 7.4 8.1 152 42.0 23.0 24.0 0.7 2.60 1.8 100 0.20 5.20        
1976-08-18 12:15
MDT
T
WS



22.0 450 530 7.8 8.2 175 51.0 30.0 28.0 0.8 3.30 2.6 120 0.30 6.50        
1976-09-28 13:30
MDT
T
WS



14.0 346 660 9.8 8.4 183 50.0 38.0 39.0 1.0 4.30 3.1 190 0.30 5.50        
1976-10-12 11:15
MDT
T
WS



11.5 256 760 9.6 8.1 212 58.0 44.0 49.0 1.2 4.40 3.9 210 0.30 4.20   71 8  
1976-11-09 09:40
MST
T
WS



4.5 241 830 11.8 8.3 233 64.0 49.0 48.0 1.1 4.30 3.2 210 0.30 3.60   67 10  
1976-12-07 12:00
MST
T
WS



0.0 164 1020 12.5 8.1 263 69.0 54.0 62.0 1.4 5.10 3.8 270 0.40 4.30   65 12  
1977-01-13 13:00
MST
T
WS



0.0 179 901 10.1 7.9 279 75.0 54.0 57.0 1.2 4.30 4.4 250 0.40 6.10   19 24  
1977-02-09 13:45
MST
T
WS



0.0 189 930 11.6 8.1 278 71.0 52.0 57.0 1.3 4.50 4.3 240 0.40 4.40   42 11  
1977-03-10 10:45
MST
T
WS



3.0 167 1050 12.1   264 68.0 55.0 76.0 1.7 5.10 5.1 290 0.40 2.90   99 22  
1977-04-13 10:45
MST
T
WS



11.5 686 840 9.9 8.4 240 66.0 48.0 42.0 1.0 4.30 3.9 200 0.40 4.60   76 372  
1977-05-19 09:15
MDT
T
WS



14.0 2140 434 9.6 8.3 139 40.0 22.0 18.0 0.6 2.80 2.0 97.0 0.20 5.80     512  
1977-06-20 12:30
MDT
T
WS



21.5 1030 450 7.8 8.3 120 38.0 20.0 24.0 0.8 2.90 2.2 99.0 0.20 6.40   80 169  
1977-07-20 10:45
MDT
T
WS



22.5 425 509 7.6 8.4 160 43.0 26.0 27.0 0.8 3.10 5.1 120 0.20 4.80   89 46  
1977-08-01 15:40
MDT
T
WS



25.0 399 551 8.3 8.6 180 48.0 28.0 29.0 0.8 3.30     0.20 3.80   89 27  
1977-09-06 16:00
MDT
T
WS



24.5 319 700 8.0 8.4 190 52.0 37.0 41.0 1.1 4.70 3.3 190 0.30 6.10   83 28  
1977-10-19 12:00
MDT
T
WS



10.0 220 863 10.7 8.4 240 64.0 52.0 53.0 1.2 5.20 4.2 230 0.30 5.40   81 10  
1977-12-22 09:15
MST
T
WS



0.0 176 969 13.1 8.1 270 75.0 60.0 64.0 1.3 5.30 4.5 280 0.40 5.80   87 22  
1978-02-06 15:00
MST
T
WS



0.0 169                             58 19  
1978-03-01 10:30
MST
T
WS



0.0 184 970 10.5 8.1 280 80.0 56.0 60.0 1.3 4.50 4.5 250 0.30 6.40   94 15  
1978-03-22 14:30
MST
T
WS



2.5 790 600 11.9 7.9   42.0 30.0 41.0 1.2 6.50 3.3 170 0.20 5.40   66 652  
1978-04-20 10:45
MST
T
WS



9.0 549 840 11.3 8.7 220 67.0 46.0 50.0 1.2 5.20 4.5 220 0.30 0.300   84 54  
1978-05-17 10:00
MDT
T
WS



14.5 1550 710 8.6 8.1 180 55.0 39.0 41.0 1.0 5.00 3.6 200 0.20 6.00   69 510  
1978-05-21 15:00
MDT
T
WS



  5440                             81 1440  
1978-05-22 17:30
MDT
T
WS



  8260                             75 1120  
1978-05-23 13:50
MDT
T
WS



  6060                               730  
1978-06-22 08:30
MDT
T
WS



18.5 3960 358 7.8 8.3 110 34.0 19.0 17.0 0.6 2.10 1.9 80.0 0.10 6.40   55 474  
1978-07-20 07:45
MDT
T
WS
USGS-WRD


19.5 1090 450 8.2 8.0 130 43.0 22.0 23.0 0.7 2.40 2.6 110 0.20 8.80   60 176  
1978-07-31 17:00
MDT
T
WS



25.5 1070                             67 121  
1978-09-20 08:00
MDT
T
WS
USGS-WRD


10.5 421 840 10.0 8.3 210 65.0 46.0 52.0 1.2 4.60 4.5 240 0.30 7.00   90 58  
1978-10-05 08:00
MDT
T
WS
USGS-WRD


10.0 409 830 10.3 8.4 220 64.0 45.0 48.0 1.1 4.40 4.5 220 0.30 6.90   85 15  
1978-11-14 13:00
MST
T
WS



0.0 122                             76 27  
1978-12-21 10:30
MST
T
WS
USGS-WRD


0.0 350 1010 12.0 8.2 280 79.0 57.0 61.0 1.3 5.20 5.6 290 0.30 6.90        
1979-01-18 09:55
MST
T
WS



0.0 325                             73 30  
1979-02-21 11:15
MST
T
WS
USGS-WRD


0.0 290 1100 9.4 7.9 290 90.0 59.0 61.0 1.2 4.50 5.5 300 0.30 10.0        
1979-03-29 06:00
MST
T
WS
USGS-WRD


1.0 464 1150 11.3 8.3 270 88.0 64.0 90.0 1.8 5.80 6.1 400 0.30 5.60   92 172  
1979-04-25 07:30
MST
T
WS
USGS-WRD


8.5 387 1260 10.0 8.3 250 71.0 70.0 97.0 2.0 6.90 6.2 430 0.40 1.80   63 42  
1979-05-24 08:15
MDT
T
WS
USGS-WRD


16.5 521 1090 8.1 8.2 230 79.0 66.0 76.0 1.5 6.50 5.8 360 0.40 3.10   88 120  
1979-05-31 09:15
MDT
T
WS



13.0 1010                               409  
1979-06-27 08:30
MDT
T
WS
USGS-WRD


21.0 506 578 7.9 8.1 150 54.0 30.0 36.0 1.0 3.30 2.5 160 0.20 4.90   87 71  
1979-07-25 08:20
MDT
T
WS
USGS-WRD


21.5 479 550 7.2 8.4 150 40.0 28.0 33.0 1.0 3.20 2.4 130 0.20 5.60   90 67  
1979-10-05 09:30
MDT
T
WS
USGS-WRD


12.0 233 970 9.4 8.6 230 61.0 50.0 62.0 1.4 5.90 6.1 270 0.40 6.40   97 11  
1979-12-20 15:00
MST
T
WS
USGS-WRD


0.5 263 1110 12.2 8.3 310 86.0 67.0 80.0 1.6 5.60 5.5 370 0.30 5.70        
1980-01-16 10:45
MST
T
WS
USGS-WRD


0.0 203 1100 12.1 8.2 310 89.0 65.0 74.0 1.5 5.70 5.1 320 0.60 7.80   77 25  
1980-02-13 09:45
MST
T
WS



0.0 169                             83 19  
1980-03-18 08:00
MST
T
WS
USGS-WRD


0.0 238 1010 12.1 8.3 250 72.0 56.0 78.0 1.7 6.10 5.4 320 0.30 5.70        
1980-04-16 07:30
MST
T
WS
USGS-WRD


10.0 318 1040 8.9 8.3 240 74.0 60.0 75.0 1.6 7.70 5.6 340 0.40 2.80   91 54  
1980-05-20 07:45
MDT
T
WS
USGS-WRD


14.0 295 840 8.0 8.4 210 65.0 50.0 59.0 1.3 6.00 4.7 260 0.30 3.00   95 46  
1980-06-17 08:00
MDT
T
WS
USGS-WRD


17.5 1120 483 7.4 8.3 170 42.0 24.0 26.0 0.8 3.60 1.9 110 0.30 7.40     617  
1980-07-23 07:10
MDT
T
WS
USGS-WRD


23.5 389 539 6.2 8.5 160 43.0 27.0 29.0 0.9 3.40 2.1 110 0.30 5.00   89 35  
1980-08-12 07:45
MDT
T
WS



19.0 379                             100 517  
1980-09-09 08:00
MDT
T
WS
USGS-WRD


13.5 330 740 8.4 8.0 180 52.0 38.0 46.0 1.2 5.10 3.4 200 0.30 7.20        
1980-10-02 07:30
MDT
T
WS
USGS-WRD


11.0 280 962 9.5 8.2 220 60.0 49.0 54.0 1.3 6.20 4.4 260 0.30 2.50   95 42 220
1980-10-30 10:00
MST
T
WS



5.0 235                             53 21  
1980-11-04 07:30
MST
T
WS
USGS-WRD


4.5 237 875 10.8 8.2 250 68.0 55.0 62.0 1.4 5.20 4.2 270 0.30 2.90     12 240
1980-12-03 10:00
MST
T
WS



0.0 100                             82 17  
1981-01-06 08:00
MST
T
WS
USGS-WRD


0.0 165 982 12.8 8.0 280 77.0 58.0 70.0 1.5 4.60 3.8 270 0.30 4.50   100 6 270
1981-02-03 09:45
MST
T
WS
USGS-WRD


0.5 112 1080 12.6 8.2 290 82.0 65.0 80.0 1.6 5.10 5.2 330 0.30 4.00     35 300
1981-03-03 07:40
MST
T
WS



2.0 184                               12  
1981-04-07 11:45
MST
T
WS
USGS-WRD


8.0 95 1040 10.7 8.6 270 69.0 58.0 83.0 1.8 5.40 5.4 300 0.40 5.30     14 270
1981-05-05 08:05
MDT
T
WS
USGS-WRD


14.0 124 910 8.7 8.5 240 66.0 55.0 66.0 1.5 5.50 4.7 290 0.40 4.40     49 210
1981-06-02 08:20
MDT
T
WS
USGS-WRD


14.5 2220 442 7.8 8.2 160 37.0 25.0 22.0 0.7 3.00 2.1 110 0.20 6.80     636  
1981-07-07 06:50
MDT
T
WS
USGS-WRD


23.5 506 402 6.4 8.1 130 38.0 20.0 20.0 0.7 2.40 1.8 90.0 0.20 7.70     58 130
1981-08-11 07:50
MDT
T
WS



20.0 411                             99 244  
1981-09-15 08:00
MDT
T
WS
USGS-WRD


16.5 326 600 7.9 8.2   48.0 33.0 33.0 1.0 3.80 2.9 170 0.20 5.10     51 180
1982-10-21 12:00
MDT
T
WS
USGS-WRD


6.0 390 603                                
1982-12-08 12:05
MST
T
WS
USGS-WRD


0.5 122 810                                
1983-03-02 10:40
MST
T
WS
USGS-WRD


6.0 408 888                                
1983-04-12 10:30
MST
T
WS
USGS-WRD


6.0 215 950                                
1983-06-22 15:30
MDT
T
WS
USGS-WRD


20.0 1660 260                                
1983-07-20 15:40
MDT
T
WS
USGS-WRD


26.5 471 375                                
1983-09-01 11:45
MDT
T
WS
USGS-WRD


19.0 415 518                                
1983-09-27 10:00
MDT
T
WS
USGS-WRD


15.5 233 770                                
1983-10-25 15:10
MDT
T
WS
USGS-WRD


10.5 227 785                                
1983-11-30 11:05
MST
T
WS
USGS-WRD


0.5 166 880                                
1984-01-11 11:55
MST
T
WS
USGS-WRD


0.5 245 850                                
1984-02-22 10:35
MST
T
WS
USGS-WRD


1.0 227 790                                
1984-04-05 15:30
MST
T
WS
USGS-WRD


11.0 318 780                                
1984-05-16 14:35
MDT
T
WS
USGS-WRD


18.0 1430 720                                
1984-06-26 10:05
MDT
T
WS
USGS-WRD


19.5 2930 268                                
1984-08-15 10:45
MDT
T
WS
USGS-WRD


24.0 423 490                                
1984-09-19 10:45
MDT
T
WS
USGS-WRD


17.5 380 640                                
1984-10-26 09:50
MDT
T
WS
USGS-WRD


5.5 253 765                                
1985-08-15 08:30
MDT
T
WS
USGS-WRD


16.0 192 740                                
2000-06-13 10:30
MDT
T
WS
USGS-WRD


18.5 1060 400 6.8 8.2   34.4 18.2 18.6 0.64 2.14 2.00 70.2 0.16 7.4 130 74 127 134
2000-06-26 11:15
MDT
T
WS
USGS-WRD


19.5 744 393 6.6 8.8   33.7 17.5 18.9 0.66 2.06 1.66 69.6 0.15 5.7 127 93 63 129
2000-07-19 10:20
MDT
T
WS
USGS-WRD


19.5 377 429 8.3 8.6   37.8 20.2 22.1 0.72 2.59 2.32 80.6 0.16 5.8 144 99 36 148
2000-08-09 13:15
MDT
T
WS
USGS-WRD


23.5 350 436                                
2000-08-16 09:45
MDT
T
WS
USGS-WRD


21.0 298 469 7.9 8.6   47.8 23.7 26.2 0.77 3.24 1.89 97.2 0.28 9.1 176 98 28 176
2000-10-24 11:40
MDT
T
WS
USGS-WRD


8.0 297 634                                
2000-10-30 11:50
MST
T
WS
USGS-WRD


8.0 307 684 8.9 8.6   56.3 33.3 36.4 0.95 3.85 3.50 145 0.39 2.5 211 78 84  
2000-11-21 11:00
MST
T
WS
USGS-WRD


0.0 160 786   8.4   62.2 37.8 47.2 1.16 4.14 3.94 185 0.29 4.1 243 66 46  
2000-12-28 14:50
MST
T
WS
USGS-WRD


0.0 150 850   8.1   68.5 40.9 51.5 1.22 3.90 4.81 197 0.34 6.9 279 84 17  
2001-01-11 09:00
MST
T
WS
USGS-WRD


0.0 190 842   8.1   65.2 42.6 55.3 1.31 4.37 6.41 196 0.36 5.0 276 58 9  
2001-02-12 11:00
MST
T
WS
USGS-WRD


0.5 140 818 8.0 8.2   70.6 41.8 58.1 1.36 4.35 5.00 197 0.34 5.2 274 71 109  
2001-03-28 10:15
MST
T
WS
USGS-WRD


4.5 132 900 11.4 8.6   60.2 44.7 64.1 1.53 4.73 5.02 222 0.29 2.2 256 87 16  
2001-04-11 10:25
MDT
T
WS
USGS-WRD


9.0 153 910 11.9 8.5   63.1 46.2 67.5 1.58 4.89 5.90 221 0.30 3.5 265 76 51  
2001-05-23 11:20
MDT
T
WS
USGS-WRD


14.0 217 776 9.2 8.5   60.3 35.1 46.6 1.18 4.60 4.57 176 0.34 3.6 234 88 73  
2001-05-30 09:11
MDT
T
WS
USGS-WRD


15.0   750                                
2001-06-05 10:30
MDT
T
WS
USGS-WRD


12.0 622 555 9.7 8.6   55.6 20.2 26.8 0.78 8.58 3.04 123 0.29 7.6 153 99 23100  
2001-07-11 11:00
MDT
T
WS
USGS-WRD


24.5 120 826 7.5 8.6   58.4 35.4 61.3 1.56 6.16 4.94 205 0.36 9.4 242 97 92  
2001-08-20 10:50
MDT
T
WS
USGS-WRD


21.0 103 843 8.0 8.6   51.0 43.7 66.2 1.64 5.42 4.91 212 0.34 8.5 241 97 61  
2001-09-05 09:20
MDT
T
WS
USGS-WRD


20.5 215 742 8.0 8.4   49.5 37.0 51.1 1.34 4.70 4.83 179 0.32 6.4 216 99 115  
2001-10-02 10:00
MDT
T
WS
USGS-WRD


14.5 88 849 8.7 8.3   52.4 44.8 71.7 1.76 5.32 5.41 235 0.41 4.8 246 96 49  
2001-11-20 12:10
MST
T
WS
USGS-WRD


1.0 88 937 12.4 8.5   59.4 48.3 72.5 1.69 5.19 5.41 248 0.46 6.0 293 76 24  
2001-12-11 14:45
MST
T
WS
USGS-WRD


0.0 E 95 1020 13.3 8.3   67.9 52.8 80.1 1.77 5.76 5.74 283 0.45 6.0 300 81 8  
2002-01-15 12:00
MST
T
WS
USGS-WRD


0.0 E 100 944 14.5 8.3   63.3 47.3 67.8 1.57 4.91 5.32 235 0.45 4.4 282      
2002-02-07 12:30
MST
T
WS
USGS-WRD


2.5 E 90 983 10.1 8.2   72.1 51.6 75.0 1.65 5.19 5.52 257 0.52 6.3 313 86 37  
2002-03-18 16:00
MST
T
WS
USGS-WRD


0.0 E 70 788 13.8 8.3   53.0 39.9 59.4 1.50 4.00 4.18 198 0.32 4.4 234 90 21  
2002-04-23 10:15
MDT
T
WS
USGS-WRD


12.0 98 942 7.7 8.3   55.8 50.6 78.3 1.83 4.97 5.71 249 0.32 2.5 272 95 27  
2002-05-29 09:30
MDT
T
WS
USGS-WRD


19.0 151 805 5.1 8.4   53.8 43.5 56.8 1.40 4.79 5.51 205 0.31 3.9 238 85 79  
2002-06-05 17:00
MDT
T
WS
USGS-WRD


22.5 181 780 6.4 8.4   57.9 40.5 50.2 1.24 4.51 5.26 196 0.28 5.1 240 94 145  
2002-07-10 15:30
MDT
T
WS
USGS-WRD


24.0 222 630 6.6 8.4   47.7 31.0 39.3 1.09 4.30 4.29 140 0.31 5.7 193 99 404  
2002-08-13 10:30
MDT
T
WS
USGS-WRD


16.0 94 722 8.5 8.5   47.3 36.0 55.8 1.49 4.46 4.67 169 0.33 6.5 221 97 81  
2002-09-10 10:30
MDT
T
WS
USGS-WRD


17.5 177 608   8.4   38.6 31.0 45.3 1.32 4.40 4.16 139 0.37 2.3 184 99 388  
2002-10-01 12:00
MDT
T
WS
USGS-WRD


11.5 122 720 9.9 8.1   48.7 38.1 56.1 1.46 4.21 4.69 175 0.36 3.3 199 96 86  
2002-11-21 08:15
MST
T
WS
USGS-WRD


4.5 106 826 11.3 8.2   57.2 41.9 56.6 1.39 4.16 4.91 203 0.37 4.7 247 86 56  
2002-12-05 08:00
MST
T
WS
USGS-WRD


0.0 19 888 11.1 8.2   61.6 45.5 64.7 1.52 4.73 4.81 219 0.40 7.1 244 83 61  
2003-01-07 15:00
MST
T
WS
USGS-WRD


0.0 E 120 808 11.4 8.4   60.7 42.0 56.2 1.36 3.98 4.68 191 0.35 4.9 257 66 29  
2003-02-05 11:00
MST
T
WS
USGS-WRD


0.0 143 640 9.5 7.9   45.3 29.5 40.5 1.15 6.54 3.38 142 0.31 5.7 196 97 53  
2003-03-06 10:30
MST
T
WS
USGS-WRD


0.0 E 100 905 11.2 8.0   55.0 38.5 52.1 1.32 3.95 5.56 226 0.37 4.7 251 95 30  
2003-04-23 12:00
MDT
K
WS
USGS-WRD


18.5 133 1070 9.5 8.5   65.8 55.5 85.7 1.88 6.86 5.88 295 0.37 4.5 284 92 76  
2003-05-05 11:00
MDT
K
WS
USGS-WRD


10.5 430 772 9.6 8.8   56.9 39.7 48.3 1.20 4.83 5.93 192 0.30 3.3 210 93 203  
2003-06-16 12:30
MDT
K
WS
USGS-WRD


22.0 1230 398 7.3 8.2   35.7 17.9 17.4 0.59 2.44 4.25 48.6 0.18 5.7 130 84 216  
2003-07-02 10:00
MDT
K
WS
USGS-WRD


23.5 882 381 6.7 8.0   34.3 16.5 16.0 0.56 2.29 2.11 60.8 < 0.17 5.7 132 93 129  
2003-08-04 15:40
MDT
K
WS
USGS-WRD


27.0 355 464 6.4 8.3   40.5 21.9 22.9 0.72 2.42 2.44 79.9 0.22 8.7 158 89 46  
2003-09-02 15:30
MDT
K
WS
USGS-WRD


21.5 333 507 9.2 8.5   43.5 23.8 24.0 0.73 3.10 2.75 91.9 0.23 3.5 171 93 30  
2003-09-24 11:00
MDT
K
BD
USGS-WRD


13.5 186 640 9.9 8.3                            
2003-10-07 10:30
MDT
K
WS
USGS-WRD


12.5 134 703 9.4 8.6   55.5 37.0 50.8 1.30 4.76 4.50 167 0.31 4.4 189 39 31  
2003-11-13 12:00
MST
K
WS
USGS-WRD


0.0 E 150 700 12.6 8.5   57.7 36.6 45.9 1.16 4.07 4.21 162 0.36 4.4 195 73 50  
2003-12-03 10:15
MST
K
WS
USGS-WRD


0.0 E 130 756 11.7 8.1   61.4 43.4 47.0 1.12 4.12 4.54 177 0.34 4.1 208 85 22  
2004-01-22 09:00
MST
K
WS
USGS-WRD


0.0 E 120 806 9.1 8.3   68.5 43.1 50.9 1.19 4.11 5.28 173 0.37 5.45 197 87 17  
2004-02-04 10:00
MST
K
WS
USGS-WRD


0.0 E 120 907 9.6 8.9   74.8 45.8 56.6 1.27 4.48 6.14 200 0.39 5.87 246 82 29  
2004-02-18 10:00
MST
K
WS
USGS-WRD


0.0 E 160 870 9.2 8.1   75.6 46.4 58.5 1.31 4.16 5.42 186 0.37 5.24 221 88 14  
2004-03-10 14:30
MST
K
WS
USGS-WRD


5.0 199 720   8.2   56.1 36.4 50.2 1.28 3.75 4.59 170 0.30 3.51 194 86 36  
2004-03-23 11:00
MST
K
WS
USGS-WRD


9.0 189 808 10.8 7.9   64.2 44.6 56.4 1.32 4.57 5.37 188 0.35 1.80 217 74 35  
2004-04-14 11:00
MDT
K
WS
USGS-WRD


12.5 167 784 9.4 8.5   58.8 41.6 53.6 1.31 4.46 5.60 178 0.34 2.52 214 83 26  
2004-04-28 12:30
MDT
K
WS
USGS-WRD


14.0 137 780 9.4 8.5   61.2 42.4 54.0 1.30 4.56 5.66 185 0.33 3.16 223 79 14  
2004-05-12 14:00
MDT
K
WS
USGS-WRD


10.0 179 718 10.5 8.4   58.4 39.2 45.9 1.14 4.14 5.40 169 0.32 3.87 219 70 34  
2004-05-24 13:00
MDT
K
WS
USGS-WRD


13.5 249 702 9.0 8.5   57.2 38.4 44.6 1.12 4.03 5.05 157 0.31 2.94 209 90 61  
2004-06-08 12:15
MDT
K
WS
USGS-WRD


18.0 146 764 8.5 8.5   53.0 42.0 57.1 1.42 4.77 5.65 177 0.34 4.14 221 81 41  
2004-06-23 14:30
MDT
K
WS
USGS-WRD


22.0 E 190 712 9.7 8.5   51.8 38.3 48.9 1.26 3.94 5.21 161 0.32 2.24 208 91 48  
2004-07-13 11:30
MDT
K
WS
USGS-WRD


23.5 189 680 7.9 8.4   42.1 35.4 47.3 1.30 4.03 4.94 157 0.33 2.68 196 41 185  
2004-07-26 14:00
MDT
K
WS
USGS-WRD


25.0 246 670 8.0 8.4   46.7 33.8 38.9 1.06 3.82 4.64 140 0.32 2.94 202 91 50  
2004-08-18 10:15
MDT
K
WS
USGS-WRD


19.5 174 674 8.2 8.1   43.9 36.4 45.7 1.23 4.19 4.53 152 0.32 4.93 198 96 50  
2004-08-23 13:00
MDT
K
WS
USGS-WRD


22.0 199 641 8.6 8.6   41.3 34.6 41.6 1.16 3.93 4.19 149 0.36 4.61 194 96 50 197
2004-09-15 12:30
MDT
K
WS
USGS-WRD


16.0 110 736 9.3 8.6                       98 7  
2004-09-28 09:00
MDT
K
WS
USGS-WRD


12.5 101 780 9.2 8.4   48.6 41.7 55.3 1.41 4.79 4.93 196 0.38 4.98 228 69 27  
2004-10-12 12:30
MDT
K
WS
USGS-WRD


11.0 95 786 10.1 8.5   53.3 46.2 62.9 1.52 4.95 5.13 209 0.39 4.56 228 75 34  
2004-11-01 12:15
MST
K
WS
USGS-WRD


5.5 110 768 12.0 8.7   52.3 40.5 59.2 1.49 4.37 4.89 197 0.36 4.15 230 89 36  
2004-12-08 13:00
MST
K
WS
USGS-WRD


0.0 E 90 910 13.1 8.4   64.3 48.2 66.2 1.52 4.84 5.39 222 0.40 7.58 263 82 68  
2005-02-09 10:00
MST
K
WS
USGS-WRD


0.0 E 60 926 13.4 8.4   69.8 50.8 68.3 1.52 4.63 5.48 222 0.40 7.47 288 88 45  
2005-03-10 11:00
MST
K
WS
USGS-WRD


7.5 92 904 11.1 8.5   65.3 50.6 70.9 1.60 4.91 5.59 220 0.44 4.80 271 90 31  
2005-03-22 13:00
MST
K
WS
USGS-WRD


9.0 90 906 11.2 8.4   64.5 51.7 72.7 1.64 4.91 5.42 223 0.41 5.21 265 90 22  
2005-04-06 11:30
MDT
K
WS
USGS-WRD


11.5 85 920 10.3 8.5   59.3 51.1 75.6 1.74 5.38 5.76 233 0.43 4.56 269 46 218  
2005-04-18 12:30
MDT
K
WS
USGS-WRD


16.0 80 919 9.8 8.5   59.3 50.9 80.4 1.85 5.83 5.90 241 0.43 4.13 251 94 58  
2005-05-04 12:20
MDT
K
WS
USGS-WRD


14.5 97 876 10.0 8.5   58.7 50.5 69.8 1.61 4.96 5.68 219 0.38 4.05 241 91 37  
2005-05-16 13:30
MDT
K
WS
USGS-WRD


17.5 1130 744 8.3 8.3   58.6 38.9 44.3 1.10 3.67 4.91 167 0.34 3.14 223 90 513  
2005-06-07 12:00
MDT
K
WS
USGS-WRD


17.0 1000 430 8.4 8.1   36.9 22.6 21.2 0.68 3.36 2.49 84.7 0.22 6.57 137 91 157  
2005-06-21 11:00
MDT
K
WS
USGS-WRD


23.0 1880 337 7.5 8.0   32.5 16.2 13.5 0.48 2.41 1.82 53.5 0.17 7.17 115 86 271  
2005-07-12 14:45
MDT
K
WS
USGS-WRD


26.0 510 373   8.6   37.9 18.6 20.6 0.68 2.24 2.05 69.6 0.21 6.62 137 90 54  
2005-07-27 12:30
MDT
K
WS
USGS-WRD


21.0 420 412 8.2 8.3   39.0 18.4 19.3 0.64 2.67 1.79 70.2 0.20 6.88 135 95 71  
2005-08-02 12:20
MDT
K
WS
USGS-WRD


26.5 396 408 8.0 8.3   40.5 19.3 18.7 0.60 2.49 1.69 65.9 0.24 6.59 142 90 40  
2005-08-23 15:45
MDT
K
WS
USGS-WRD


23.5 369 480 8.3 8.4   43.0 22.8 25.6 0.78 3.07 2.30 87.2 0.23 3.47 163 93 29  
2005-09-06 13:00
MDT
K
WS
USGS-WRD


19.5 336 473 9.0 8.5   45.0 23.6 23.7 0.71 2.87 2.51 89.6 0.24 1.81 156 89 19  
2005-09-14 09:30
MDT
K
BI
USGS-WRD


14.5 330 503 9.3 8.3                            
2005-09-20 11:00
MDT
K
WS
USGS-WRD


14.5 272 530 9.3 8.4   50.8 26.0 27.6 0.78 3.04 2.74 104 0.26 3.09 182 89 13  
2005-10-04 12:05
MDT
K
WS
USGS-WRD


10.5 263 561 10.0 8.3   45.6 26.5 30.6 0.89 3.18 3.08 120 0.29 3.28 183 88 6  
2005-11-03 13:30
MST
K
WS
USGS-WRD


7.5 234 647 11.1 8.5   50.4 34.4 40.0 1.06 3.71 3.65 142 0.30 3.55 191 80 10  
2005-12-13 09:00
MST
K
WS
USGS-WRD


0.0 E 200 723 12.2 8.3   64.6 37.6 39.7 0.97 3.98 3.89 153 0.31 4.39 232 79 52  
2006-01-30 10:45
MST
K
WS
USGS-WRD


0.0 E 180 847 13.2 8.4   63.6 42.3 58.5 1.39 3.83 5.09 193 0.36 5.80 265 82 31  
2006-03-06 11:45
MST
K
WS
USGS-WRD


1.0 E 140 765 13.7 8.5   53.5 35.4 48.3 1.26 3.45 4.56 167 0.32 4.93 232 76 55  
2006-03-21 16:30
MST
K
WS
USGS-WRD


6.0 114 898 11.7 8.5   68.0 48.7 68.2 1.54 4.58 5.70 214 0.41 3.67 260 79 22  
2006-04-05 15:45
MDT
K
WS
USGS-WRD


16.0 120 864 10.1 8.5   62.0 44.8 68.6 1.62 4.83 5.47 222 0.44 4.13 255 81 27  
2006-04-18 15:00
MDT
K
WS
USGS-WRD


8.5 114 859 11.1 8.3   58.5 46.1 72.9 1.73 4.98 5.58 226 0.40 4.29 247 71 33  
2006-05-02 13:45
MDT
K
WS
USGS-WRD


15.5 101 880 9.3 8.6   57.1 46.5 67.0 1.60 4.89 5.75 231 0.42 4.53 252 49 24  
2006-05-16 15:00
MDT
K
WS
USGS-WRD


23.0 137 791 8.6 8.6   56.3 41.9 56.6 1.39 4.49 5.34 196 0.38 3.97 216 79 48  
2006-06-06 13:45
MDT
K
WS
USGS-WRD


25.0 116 786 9.0 8.6   48.3 40.8 56.9 1.46 4.54 5.33 200 0.38 4.93 223 82 42  
2006-06-20 14:45
MDT
K
WS
USGS-WRD


22.5 194 721 9.0     45.4 38.2 50.1 1.32 3.76 4.89 175 0.36 3.79 212 89 43  
2006-07-11 14:30
MDT
K
WS
USGS-WRD


28.0 197 638   8.6   46.1 34.4 41.9 1.14 3.78 4.15 141 0.33 2.65 199 91 38  
2006-07-17 14:30
MDT
K
WS
USGS-WRD


26.0 223 617 8.2 8.5   45.0 32.8 39.1 1.08 3.70 3.94 132 0.32 3.22 197 95 40  
2006-08-03 13:30
MDT
K
WS
USGS-WRD


20.7 82 692 9.3 8.5                            
2006-08-08 14:15
MDT
K
WS
USGS-WRD


27.0 162 616 8.7 8.5   41.0 32.2 42.6 1.21 3.95 3.81 135 0.33 4.79 187 90 17  
2006-08-21 14:30
MDT
K
WS
USGS-WRD


25.0 129 640 8.0 8.5   38.9 32.4 44.5 1.28 3.75 4.05 142 0.33 4.61 190 86 13  
2006-09-05 17:15
MDT
K
WS
USGS-WRD


24.5 72 739 9.0 8.5   42.6 37.8 57.2 1.54 4.74 4.79 180 0.37 5.13 211 74 18  
2006-09-20 16:30
MDT
K
WS
USGS-WRD


14.5 70 761   8.6   47.8 38.9 60.5 1.57 4.62 4.94 186 0.39 5.44 221 91 3  
2006-10-03 13:30
MDT
K
WS
USGS-WRD


12.5 62 823 7.4 8.5   51.9 44.1 70.0 1.73 5.41 5.44 210 0.39 5.66 240 77 27  
2006-11-15 13:45
MST
K
WS
USGS-WRD


2.0 142 730 16.5 8.3   55.5 36.5 53.1 1.36 3.94 4.68 167 0.35 3.92 234 84 29  
2006-12-06 13:15
MST
K
WS
USGS-WRD


0.0 E 90 860 12.9 8.1   62.0 43.3 61.2 1.46 4.67 5.48 200 0.45 4.69 272 57 41  
2007-02-23 12:30
MST
K
WS
USGS


0.0 E 100 692 11.8 8.1   46.8 32.5 54.0 1.48 7.31 4.98 162 0.32 6.61 200 96 29  
2007-03-06 17:00
MST
K
WS
USGS-WRD


0.0 E 200 751 14.5 8.5   50.6 34.8 53.0 1.40 3.65 5.02 179 0.34 2.88 224 75 160  
2007-03-28 10:30
MDT
K
WS
USGS-WRD


10.5 293 770 9.1 8.5   59.4 38.8 55.2 1.37 4.14 5.35 176 0.37 1.41 247 78 96  
2007-04-10 12:30
MDT
K
WS
USGS-WRD


8.0 541 731 10.7 8.5   57.0 36.2 53.2 1.36 4.37 5.34 165 0.34 3.33 232 73 106  
2007-04-24 14:45
MDT
K
WS
USGS-WRD


14.0 555 707 9.9 8.5   55.7 34.3 46.9 1.22 4.63 5.41 157 0.35 3.12 222      
2007-05-07 13:00
MDT
K
WS
USGS-WRD


10.5 920 733 10.2 8.3   53.4 34.6 57.9 1.52 5.53 4.73 194 0.28 4.04 191      
2007-05-22 16:00
MDT
K
WS
USGS-WRD


15.0 2360 491 8.9 8.3   41.8 24.8 25.8 0.78 3.52 2.96 106 0.20 7.15 152 75 211  
2007-06-04 17:00
MDT
K
WS
USGS-WRD


20.0 2050 380 9.2 8.3   34.6 17.6 17.3 0.60 2.40 2.11 67.1 0.18 5.01 126      
2007-06-26 08:30
MDT
K
WS
USGS-WRD


20.0 1280 432 7.5 8.3   38.5 21.2 23.6 0.76 3.06 2.31 83.6 0.24 7.27 141      
2007-07-11 15:00
MDT
K
WS
USGS-WRD


24.5 401 580 7.7 8.5   49.6 26.8 37.7 1.07 3.57 3.43 131 0.25 7.25 171      
2007-07-19 16:45
MDT
K
WS
USGS-WRD


29.0 311 596 7.8 8.5   45.9 26.3 37.8 1.10 3.56 3.38 132 0.26 7.15 175      
2007-08-07 14:30
MDT
K
WS
USGS-WRD


25.5 363 501 8.3 8.2   42.1 21.8 25.7 0.80 2.94 2.53 95.6 0.24 5.70 165 93 19  
2007-08-27 09:05
MDT
K
BP
USGS-WRD
0
59
20.0 357 528 8.0 8.5                            
2007-09-18 11:30
MDT
K
WS
USGS-WRD


17.0 317 612 8.7 8.4   49.6 28.9 38.2 1.07 3.46 3.70 135 0.28 1.97 193      
2013-11-13 10:30
MST
K
WS
USGS-WRD


3.4 417 664 13.0 8.5   53.1 36.1 41.5 1.08 3.67 4.04 161 0.26 6.18 195 91 16  
2014-03-25 13:30
MDT
K
WS
USGS-WRD


2.0 800 894 11.4 8.4   67.0 49.4 63.7 1.44 4.80 5.97 232 0.25 6.51 240 85 67  
2014-04-10 11:15
MDT
K
WS
USGS-WRD


9.0 876 896 11.0 8.6   67.2 50.5 64.1 1.44 5.49 6.26 264 0.27 3.46 231 76 50  
2014-05-28 17:00
MDT
K
WS
USGS-WRD


23.7 1030 710 7.6 8.3   54.2 38.3 42.4 1.08 3.80 4.94 190 0.26 4.64 193 85 197 198
2014-07-09 16:10
MDT
K
WS
USGS-WRD


24.0 966 424 8.0 8.2   37.6 20.3 22.8 0.74 2.21 1.96 86.2 0.15 5.97 132 87 90  
2014-09-23 09:30
MDT
K
WS
USGS-WRD


16.8 471 606 8.6 8.2   49.8 31.4 35.2 0.96 3.46 3.48 140 0.24 2.47 192 89 36  
2014-10-28 11:45
MDT
K
WS
USGS-WRD


  320 716 10.1 8.1   57.4 38.0 46.6 1.17 3.83 4.22 188 0.26 1.97 216 76 6  
2015-04-24 12:35
MDT
K
WS
USGS-WRD


16.1 122 1220 9.7 8.4   69.6 68.7 117 2.38 6.93 7.56 394 0.38 3.73 286      
2015-05-07 11:15
MDT
K
WS
USGS-WRD


12.2 201 1020 10.6 8.6   65.1 59.4 88.9 1.92 6.18 6.72 322 0.35 3.72 260 85 42  
2015-05-27 15:20
MDT
K
WS
USGS-WRD


17.4 1800 723 7.3 8.0   58.9 39.1 39.9 0.99 3.94 5.20 193 0.25 3.08 197 83 699  
2015-07-15 17:00
MDT
K
WS
USGS-WRD


24.6 455 516 7.8 8.0   43.7 25.1 30.4 0.91 3.29 2.91 113 0.19 5.86 156 90 47  
2015-08-19 11:55
MDT
K
WS
USGS-WRD


18.0 366 561 8.7 8.4   47.7 30.1 34.8 0.97 3.42 3.44 126 0.23 6.57 190 95 28  
2015-09-17 11:30
MDT
K
WS
USGS-WRD


15.7 274 639 9.4 8.1   47.0 34.1 38.2 1.04 3.77 4.06 156 0.27 7.20 196 97 8  
2015-10-20 11:15
MDT
K
WS
USGS-WRD


12.3 247 754 9.8 8.1   61.2 44.7 52.9 1.26 4.87 4.79 204 0.29 6.29 219 98 5  
2016-03-14 15:50
MDT
K
WS
USGS-WRD


8.8 131 1110 10.3 8.2   73.7 67.4 102 2.06 6.20 7.39 340 0.36 5.16 288 79 44  
2016-04-26 09:45
MDT
K
WS
USGS-WRD


7.8 138 1100 10.5 8.5   66.8 65.4 109 2.28 6.83 6.58 359 0.33 4.80 268 92 12  
2016-05-25 09:50
MDT
K
WS
USGS-WRD


17.7 739 748 7.5 8.1   60.4 43.5 43.9 1.05 3.87 5.79 203 0.26 4.14 209 85 266  
2016-06-23 09:20
MDT
K
WS
USGS-WRD


22.3 371 676 7.6 8.3   53.5 41.5 37.8 0.94 3.50 5.02 176 0.27 3.91 191 94 49  
2016-08-24 11:35
MDT
K
WS
USGS-WRD


19.0 265 586 9.4 8.1   48.5 31.8 34.3 0.94 3.61 3.73 138 0.24 5.70 179 97 28  
2016-10-12 11:30
MDT
K
WS
USGS-WRD


6.2 211 702 11.4 8.4   52.5 38.7 45.5 1.16 3.98 4.78 188 0.27 5.64 200 93 2  

Water Quality Remark Code Description
< Less than
E Estimated