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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 06308400 Pumpkin Creek near Miles City MT

Custer County, Montana
Hydrologic Unit Code 10090102
Latitude  46°13'42.08", Longitude 105°41'26.19" NAD83
Drainage area 696  square miles
Gage datum 2,490 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 


Arsenic
water,
fltrd,
ug/L
(01000)


Arsenic
water,
unfltrd
ug/L
(01002)


Barium,
water,
fltrd,
ug/L
(01005)
Barium,
water,
unfltrd
recover
-able,
ug/L
(01007)

Beryll-
ium,
water,
fltrd,
ug/L
(01010)		 Beryll-
ium,
water,
unfltrd
recover
-able,
ug/L
(01012)


Boron,
water,
fltrd,
ug/L
(01020)


Cadmium
water,
fltrd,
ug/L
(01025)


Cadmium
water,
unfltrd
ug/L
(01027)

Chrom-
ium,
water,
fltrd,
ug/L
(01030)		 Chrom-
ium,
water,
unfltrd
recover
-able,
ug/L
(01034)


Cobalt
water,
fltrd,
ug/L
(01035)


Copper,
water,
fltrd,
ug/L
(01040)
Copper,
water,
unfltrd
recover
-able,
ug/L
(01042)
Iron,
water,
unfltrd
recover
-able,
ug/L
(01045)


Iron,
water,
fltrd,
ug/L
(01046)


Lead,
water,
fltrd,
ug/L
(01049)
Lead,
water,
unfltrd
recover
-able,
ug/L
(01051)		 Manga-
nese,
water,
unfltrd
recover
-able,
ug/L
(01055)

Manga-
nese,
water,
fltrd,
ug/L
(01056)

Molyb-
denum,
water,
fltrd,
ug/L
(01060)


Nickel,
water,
fltrd,
ug/L
(01065)
Nickel,
water,
unfltrd
recover
-able,
ug/L
(01067)


Silver,
water,
fltrd,
ug/L
(01075)

Stron-
tium,
water,
fltrd,
ug/L
(01080)

Vana-
dium,
water,
fltrd,
ug/L
(01085)


Zinc,
water,
fltrd,
ug/L
(01090)
Zinc,
water,
unfltrd
recover
-able,
ug/L
(01092)		 Alum-
inum,
water,
unfltrd
recover
-able,
ug/L
(01105)

Alum-
inum,
water,
fltrd,
ug/L
(01106)


Lithium
water,
fltrd,
ug/L
(01130)

Selen-
ium,
water,
fltrd,
ug/L
(01145)

Selen-
ium,
water,
unfltrd
ug/L
(01147)


Mercury
water,
fltrd,
ug/L
(71890)
Mercury
water,
unfltrd
recover
-able,
ug/L
(71900)
1975-10-15 12:15
 MDT
 T
 WS
  1       10 450   20   < 20     20 1800 50   < 200 70       < 200         40 500       1   < 0.5
1975-11-12 15:10
 MST
 T
 WS
1.0 1 90.0   10 10 500 U  U  M  < 20 < 10 < 20 < 20 150 30 U  200 40 < 10 < 1 M  M  < 2 1100 1.7 20 < 20 200 20 30 4 3 < 0.50 < 0.5
1975-12-10 10:00
 MST
 T
 WS
            450                 20                                      
1976-01-14 10:00
 MST
 T
 WS
  1       < 10 470   < 20   U      < 20 370 110   < 200 120       < 50         20 400       1   < 0.5
1976-02-13 10:00
 MST
 T
 WS
            150                 150                                      
1976-03-10 13:00
 MST
 T
 WS
            180                 110                                      
1976-04-15 12:30
 MST
 T
 WS
  1       < 10 230   < 20   U      < 20 500 20   < 200 80       < 50         U  400       < 1   < 0.5
1976-05-12 09:30
 MDT
 T
 WS
            210                 70                                      
1976-06-07 14:30
 MDT
 T
 WS
            150                 < 10                                      
1976-07-12 14:00
 MDT
 T
 WS
  11       < 10 240   < 20   < 20     20 4200 90   < 200 110       < 50         40 4500       1   < 0.5
1977-02-15 17:45
 MST
 T
 WS
2.0       < 10   240 < 2   U      10     200 M      90 < 1 M        5.3 60     70 20 1   < 0.50  
1977-04-04 14:20
 MST
 T
 WS
< 1.0       < 10   200 M    U      20     200 M      < 10 < 1 M        6.3 30     200 < 10 1   < 0.50  
1977-05-03 14:00
 MDT
 T
 WS
            340                 20                                      
1977-10-19 15:40
 MDT
 T
 WS
2.0       < 10   150 M    < 20     M      110 M      20 2 M        8.8 20     20 M  1   < 0.10  
1978-03-16 11:00
 MST
 T
 WS
2.0       10   140 M    U      20     120 M      < 10 < 1 M        1.0 < 20     50 M  < 1   < 0.10  
1978-03-21 10:30
 MST
 T
 WS
            120                 120                                      
1978-04-19 08:30
 MST
 T
 WS
            390                 30                                      
1978-05-15 16:00
 MDT
 T
 WS
            280                 20                                      
1978-06-20 15:40
 MDT
 T
 WS
            470                 40                                      
1978-07-19 15:30
 MDT
 T
 WS
 USGS-WRD
 4.0 35     < 10 10 230 < 2   U  180   < 20 320 160000 90 M    2800 < 10 2 M  M      0.0 < 20 930 200 10 20 2 6 < 0.10 0.5
1978-08-02 07:45
 MDT
 T
 WS
 USGS-WRD
             390                 20                                      
1978-09-06 09:00
 MDT
 T
 WS
 CONTRACT
             440                 130                                      
1978-10-10 14:35
 MDT
 T
 WS
 USGS-WRD
             220                 30                                      
1978-10-24 07:30
 MDT
 T
 WS
 USGS-WRD
             270                 30                                      
1978-12-28 11:45
 MST
 T
 WS
 USGS-WRD
             450                 60                                      
1979-03-12 14:30
 MST
 T
 WS
 USGS-WRD
             120                 50                                      
1979-03-18 13:45
 MST
 T
 WS
 USGS-WRD
             80                 60                                      
1979-04-26 07:45
 MST
 T
 WS
 USGS-WRD
 1.0 1     < 10 < 10 560 U  < 2 < 20 < 20   < 2 10 1100 < 10 U  M  120 70   M  M        20 50       < 1 1 < 0.10 0.2
1979-05-23 14:30
 MDT
 T
 WS
 USGS-WRD
             750                 < 10                                      
1979-06-27 13:50
 MDT
 T
 WS
 USGS-WRD
             770                 30                                      
1979-07-23 14:30
 MDT
 T
 WS
 USGS-WRD
             840                 < 10                                      
1979-11-29 10:15
 MST
 T
 WS
 USGS-WRD
 1.0 1     0.0 0.0 670 M  0.0 0.0 0.0   M  0.0 220 20 0.0 0.0 50 60   M  M        20 30       1 1 0.00 0.1
1979-12-18 10:15
 MST
 T
 WS
 USGS-WRD
             760                 30                                      
1980-03-25 15:00
 MST
 T
 WS
 USGS-WRD
             230                 50                                      
1980-06-24 10:30
 MDT
 T
 WS
 USGS-WRD
             600                 50                                      
1980-11-17 15:10
 MST
 T
 WS
 USGS-WRD
 2.0 2     < 1 0.0 160 < 1 0.0 10 0.0   10 20 1200 200 M  M  40 M    M  M        M  120       3 3 0.00 0.0
1981-02-25 10:00
 MST
 T
 WS
 USGS-WRD
             130                 80                                      
1981-05-18 16:00
 MDT
 T
 WS
 USGS-WRD
             520                 40                                      
1981-06-16 16:30
 MDT
 T
 WS
 USGS-WRD
             220                 350                                      
1981-08-17 16:15
 MDT
 T
 WS
 USGS-WRD
             110                 1000                                      
1982-02-19 09:55
 MST
 T
 WS
 USGS-WRD
             50                                                        
1982-03-15 14:20
 MST
 T
 WS
 USGSNWQL
             70                 280                                      
1982-06-07 15:25
 MDT
 T
 WS
 USGS-WRD
             150                 230                                      
1982-10-06 13:15
 MDT
 T
 WS
 USGS-WRD
             190                 50                                      
1982-11-18 08:20
 MST
 T
 WS
 USGS-WRD
             130                 40                                      
1983-02-07 13:45
 MST
 T
 WS
 USGS-WRD
             80                 150                                      
1983-02-23 14:15
 MST
 T
 WS
 USGS-WRD
 3.0 3     < 1 < 10 50 < 1 < 1 < 10 30   10 40 21000 180 M  M  380 40   M  M        50 130       1 1 < 0.10 0.2
1983-03-30 15:25
 MST
 T
 WS
 USGS-WRD
             250                 20                                      
1983-05-11 09:45
 MDT
 T
 WS
 USGS-WRD
             430                 30                                      
1984-02-02 12:55
 MST
 T
 WS
 USGS-WRD
             60                 320                                      
1984-06-25 13:25
 MDT
 T
 WS
 USGS-WRD
 2.0 9     0.0 < 10 120 < 1 < 1 < 10 100   20 110 61000 130 M  M  600 M    M  M        20 330       2 2 < 0.10 0.1
1984-08-22 11:40
 MDT
 T
 WS
 USGS-WRD
 2.0       M    330 < 1   40     M      30 M      M    M          M          < 1   < 0.10  
1985-02-28 09:25
 MST
 T
 WS
 USGS-WRD
 < 1 3     2.10 < 10 100 2.0 < 1 < 10 50   12 30 20000 240 < 1 20 240 62.0   17 12       26.0 110       < 1 < 1 < 0.1 < 0.1
1985-04-02 13:50
 MST
 T
 WS
 USGS-WRD
             90                 320                                      
1985-08-13 13:00
 MDT
 T
 WS
 USGS-WRD
 6       < 0.50   190 < 1.0   < 10     14     85.0 1     13.0   12         10.0         1   < 0.1 < 0.1
2004-03-10 17:00
 MST
 K
 WS
 USGS-WRD
 0.9 9 28.2 415 < 0.060 2.98 102 < 0.040 0.674   35.4   7.1 58.5 33500 22.7 0.084 53.8 474 9.30   5.47 57.9   252   0.8 188 26700 3.9 8.99 1.6 1.9   0.160
2004-05-24 15:30
 MDT
 K
 WS
 USGS-WRD
 1.0 10 9.97 1800 < 0.060 9.38 67 E 0.025 2.47   69.3   4.6 136 60400 24.8 0.107 139 2180 3.37   3.83 146   63.6   1.0 399 42900 6.3 3.97 1.3 2.5   0.480
2004-06-16 13:00
 MDT
 K
 WS
 USGS-WRD
 2.0 13 34.5 1080 < 0.060 7.72 166 E 0.023 1.72   76.1   14.3 119 58000 28.7 0.225 131 1150 0.39   10.8 133   231   2.2 393 45200 5.6 10.7 2.9 2.7   0.399
2004-07-06 12:00
 MDT
 K
 WS
 USGS-WRD
 1.7 13 38.5 1240 < 0.060 8.17 203 E 0.020 2.04   63.5   10.2 146 56900 20.1 0.106 155 1550 1.36   10.1 147   320   1.8 400 40700 6.8 12.5 2.4 3.1   0.460
2004-07-13 14:30
 MDT
 K
 WS
 USGS-WRD
 1.8 14 32.4 1330 < 0.060 9.06 187 < 0.040 2.25   102   11.0 157 85100 20.8 0.081 180 1870 0.34   9.10 173   257   3.1 513 58100 5.7 11.3 1.9 3.6   0.497
2004-09-28 11:34
 MDT
 K
 WS
 USGS-WRD
 1.7 E 1 93.4 111 < 0.060 0.09 313 E 0.033 0.044   1.5   16.8 15.3 960 16.1 0.159 2.79 40.8 1.27   9.28 12.0   706   2.4 8 1280 5.1 20.9 2.7 2.7    
2004-11-02 10:35
 MST
 K
 WS
 USGS-WRD
 1.4 29 14.2 1310 < 0.060 7.80 141 E 0.029 2.15   123   11.3 159 97700 44.8 0.336 181 1620 0.70   7.88 186   101   2.0 603 63900 10.0 9.36 3.2 3.2   0.474
2005-04-06 17:00
 MDT
 K
 WS
 USGS-WRD
 1.4 < 2 72.1 73.3 < 0.060 < 0.06 261 < 0.040 < 0.040   E 3.1   5.4 19.5 109 < 18.0 < 0.080 0.24 25.8 3.03   5.02 4.71   988   2.4 6 124 10.6 38.0 2.3 1.7   < 0.010
2005-06-08 12:00
 MDT
 K
 WS
 USGS-WRD
 1.0 9 35.0 1170 < 0.060 8.73 101 0.055 2.20   46.3   10.8 129 44000 20.1 0.860 132 1570 5.38   6.64 129   275   15.3 379 37200 14.6 8.57 1.5 2.7    
2005-10-05 11:15
 MDT
 K
 WS
 USGS-WRD
 1.5 9.6 12.6 851 < 0.060 7.82 46 E 0.023 2.13   89.5   17.0 142 73000 75.9 1.68 81.1 857 1.60   6.17 159   23.0   34.5 473 59300 15.5 3.11 1.8 1.72    
2005-12-12 13:15
 MST
 K
 WS
 USGS-WRD
 0.97 1.1 93.2 97.1 < 0.060 0.07 259 0.040 E 0.026   < 6.0   8.0 8.0 382 6.9 0.130 0.85 37.0 3.55   7.26 6.75   1010   3.9 4 366 1.6 25.1 1.1 1.09    
2006-03-07 08:00
 MST
 K
 WS
 USGS-WRD
 0.90 3.1 22.6 142 < 0.060 0.70 56 E 0.020 0.198   11.0   5.5 19.4 8820 75.5 0.516 13.5 108 6.22   4.42 18.0   157   2.2 48 9450 12.0 4.66 0.44 0.440    
2006-04-05 13:15
 MDT
 K
 WS
 USGS-WRD
 0.98 7.6 17.4 606 < 0.060 3.74 90 E 0.029 0.997   47.6   7.2 75.2 41700 41.5 0.149 73.6 728 0.92   6.08 75.6   150   3.6 246 33300 5.4 6.69 1.3 1.37    
2006-05-16 18:00
 MDT
 K
 WS
 USGS-WRD
 1.2 1.2 149 157 < 0.120 < 0.12 274 < 0.080 < 0.080   < 6.0   5.3 8.8 387 < 18.0 < 0.160 0.55 53.3 2.66   4.18 7.52   1610   2.1 5 311 E 1.7 38.5 0.76 0.680    
2006-10-03 16:15
 MDT
 K
 WS
 USGS-WRD
 1.2 6.6 69.3 300 < 0.060 2.23 165 0.060 0.551   23.4   14.7 48.2 19800 28.1 0.340 37.1 263 5.03   7.5 48.7   490   20.4 130 18400 13.3 14.5 3.5 3.59    
2007-02-23 08:30
 MST
 K
 WS
 USGS
 1.3 3.2 22.8 150 < 0.060 0.85 47 E 0.030 0.262   11.1   5.2 29.9 9270 147 0.340 15.6 154 16.0   4.1 18.9   141   11.1 65 13000 18.9 4.16 0.41 0.530    
2007-04-10 08:30
 MDT
 K
 WS
 USGS-WRD
 0.97 1.7 65.7 95.5 < 0.060 0.17                 1860 25.6     46.6 15.1                 2280 1.9   1.1 0.970    
2007-05-22 12:15
 MDT
 K
 WS
 USGS-WRD
 1.6 2.3 247 246 < 0.120 E 0.05   < 0.080 < 0.036 0.50 1.2   2.9 4.4 872 E 9.7 < 0.240 1.32 74.1 7.06   5.2 7.0       E 1.2 3.9 622 E 1.7   0.91 1.09    
2008-04-21 14:15
 MDT
 K
 WS
 USGS-WRD
 0.78 E 1.0 53.7 65.0 < 0.016 < 0.08   < 0.080 < 0.028 E 0.14 E 0.47   E 2.3 15.1 94.4 < 16.0 0.179 0.74 27.8 4.79   3.1 3.2       < 4.0 9.0 170 17.1   0.44 0.647    
2008-07-08 08:30
 MDT
 K
 WS
 USGS-WRD
 1.6 1.9 59.4 86.2 0.010 0.07   < 0.040 0.057 0.33 1.6   6.0 7.7 949 11.8 0.170 2.16 53.1 1.89   7.1 8.7       E 1.3 5.1 738 6.8   1.5 1.35    
2009-04-09 10:00
 MDT
 K
 WS
 USGS-WRD
 0.85 1.3 73.1 89.8 < 0.020 0.11   E 0.015 E 0.036 0.15 1.9   2.9 4.4 1380 20.1 E 0.031 2.23 49.9 19.5   3.6 4.6       < 2.0 6.4 1150 < 4.0   0.56 0.478    
2009-06-24 17:15
 MDT
 K
 WS
 USGS
 1.9 2.1 244 251 < 0.040 0.04   E 0.026 < 0.120 E 0.17 1.3   5.4 E 6.3 595 21.7 < 0.120 0.95 37.2 7.31   6.3 7.0       < 4.0 E 3.3 554 < 8.0   1.8 1.22    
2010-05-04 08:00
 MDT
 K
 WS
 USGS
 1.7 8.9 120 632 0.646 3.02   0.175 0.837 3.0 37.4   13.8 68.0 29500 7350 8.88 78.2 617 80.6   13.7 72.3       27.4 200 27200 1920   1.8 1.65    
2010-07-13 14:30
 MDT
 K
 WS
 USGS
 1.7 3.3 124 129 E 0.012 < 0.08   E 0.030 < 0.080 0.34 E 1.0   3.1 E 4.0 558 < 18.0 < 0.060 0.78 74.0 12.3   6.2 6.4       < 5.6 < 8.0 326 E 3.5   0.52 0.484    
2011-05-09 12:15
 MDT
 K
 WS
 USGS
 1.4 2.9 70.2 87.3 < 0.018 0.11   < 0.048 < 0.150 < 0.18 2.1   1.9 < 4.2 1720 14.2 < 0.045 1.83 188 115   4.9 6.7       < 4.2 < 14.4 1640 10.4   0.60 0.619    
2011-07-13 11:00
 MDT
 K
 WS
 USGS-WRD
 2.8 2.9 79.3 80.8 < 0.060 < 0.06   < 0.160 < 0.150 < 0.60 1.0   < 5.0 2.5 410 12.2 < 0.150 0.50 132 56.6   5.2 5.7       < 14.0 < 7.2 262 < 17.0   1.6 1.30    
2012-05-08 14:15
 MDT
 K
 WS
 USGS-WRD
 1.3 1.4 84.3 85.3 < 0.018 < 0.06   < 0.048 < 0.048 < 0.21 < 0.90   < 2.4 2.8 466 < 9.6 < 0.075 0.62 197 109   5.2 5.7       < 4.2 < 9.0 364 < 6.6   0.87 0.972    
2013-07-25 08:00
 MDT
 K
 WS
 USGS-WRD
 1.3 2.6 74.9 128 0.016 0.19   < 0.016 0.063 0.24 5.0   5.8 8.5 3700 46.0 0.225 4.98 133 12.0   6.5 10.1       < 1.4 15.3 3650 57.1   1.2 1.14    
2013-08-13 13:45
 MDT
 K
 WS
 USGS-WRD
 1.1 1.6 68.3 106 0.018 0.15   < 0.016 0.058 0.32 3.7   3.8 6.2 1780 27.3 0.246 3.17 77.1 3.45   5.5 8.0       < 1.4 10.0 2070 42.4   1.6 1.27    
2014-07-10 11:15
 MDT
 K
 WS
 USGS-WRD
 1.4 1.8 103 121 < 0.040 0.06   < 0.060 < 0.060 < 0.60 0.79   2.5 3.1 554 17.2 0.356 0.73 74.1 2.90   5.3 5.6       < 4.0 < 4.0 451 5.9   0.65 0.585    
2015-08-12 08:30
 MDT
 K
 WS
 USGS-WRD
 1.6 4.0 64.6 182 0.052 0.53   < 0.030 0.12 0.57 10.6   6.6 17.3 7020 147 0.374 10.5 156 5.67   10.0 21.3       < 2.0 31 6030 153   1.9 1.8    
2016-09-07 11:00
 MDT
 K
 WS
 USGS-WRD
 2.2 15.4 332 1470 2.59 9.79   0.640 2.27 27.5 98.2   43.7 186 94400 19200 35.5 184 1830 458   60.8 206       175 665 75500 20700   2.1 2.4    
2017-09-21 12:30
 MDT
 K
 WS
 USGS-WRD
 1.9 4.1 90.6 173 0.033 0.68   < 0.090 0.16 1.5 11.5   14.6 28.2 6170 489 1.26 11.1 94.0 8.66   14.1 26.2       < 6.0 43 6580 316   2.8 2.9    

Water Quality Remark Code Description
< Less than
E Estimated
M Presence verified but not quantified
U Analyzed for but not detected