Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our Next Generation Station Page here.
Click to hideNews Bulletins

Water Quality Samples for Montana

Click to hide state-specific text

Questions or concerns about USGS data and data products in Montana and Wyoming can be directed to the Wyoming-Montana Water Science Center Data Management Section.


! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 12334550 Clark Fork at Turah Bridge nr Bonner MT

Missoula County, Montana
Hydrologic Unit Code 17010202
Latitude  46°49'33.28", Longitude 113°48'50.51" NAD83
Drainage area 3,657  square miles
Gage datum 3,320 feet above NAVD88
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 



Stream
width,
feet
(00004)


Temper-
ature,
water,
deg C
(00010)


Temper-
ature,
air,
deg C
(00020)


Temper-
ature,
air,
deg F
(00021)

Baro-
metric
pres-
sure,
mm Hg
(00025)



Weather
WMO
code
(00041)



Dis-
charge,
ft3/s
(00060)

Instan-
taneous
dis-
charge,
ft3/s
(00061)
Number
of
sam-
pling
points,
count
(00063)



Gage
height,
feet
(00065)		 Specif-
ic
conduc-
tance,
wat unf
uS/cm @
25 degC
(00095)		 Hydro-
gen
ion,
water,
unfltrd
calcd,
mg/L
(00191)
pH,
water,
unfltrd
field,
std
units
(00400)
pH,
water,
unfltrd
lab,
std
units
(00403)

Hard-
ness,
water,
mg/L as
CaCO3
(00900)


Calcium
water,
fltrd,
mg/L
(00915)

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


Arsenic
water,
fltrd,
ug/L
(01000)


Arsenic
water,
unfltrd
ug/L
(01002)


Cadmium
water,
fltrd,
ug/L
(01025)


Cadmium
water,
unfltrd
ug/L
(01027)


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)


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

Gage
height
above
datum
meters
(30207)



Dis-
charge,
m3/s
(30208)

Dis-
charge,
instan-
taneous
m3/s
(30209)

Transit
rate,
sampler
minimum
ft/s
(50014)


Transit
rate,
sampler
ft/s
(50015)

Transit
rate,
sampler
maximum
ft/s
(50016)


Site
visit
purpose
code
(50280)		 Turbid-
ity,
IR LED
light,
det ang
90 deg,
FNU
(63680)		 Suspnd.
sedimnt
sieve
diametr
percent
<0.0625
mm
(70331)



Sample
purpose
code
(71999)		 Sample
loc-
ation,
distanc
down
stream,
feet
(72104)		 Sample
loc-
ation,
distanc
up-
stream,
feet
(72105)

Sampler
nozzle
mater-
ial,
code
(72219)

Sampler
nozzle
di-
ameter,
code
(72220)		 Sus-
pended
sedi-
ment
concen-
tration
mg/L
(80154)		 Sus-
pended
sedi-
ment
dis-
charge,
ton/d
(80155)		 Vel-
city
at
point
in
stream,
ft/s
(81904)


Sam-
pling
method,
code
(82398)



Sampler
type,
code
(84164)
Sample
split-
ter
type,
field,
code
(84171)
Bottle
or bag
sampler
mater-
ial,
code
(84182)		 Specif.
conduc-
tance,
wat unf
lab,
uS/cm @
25 degC
(90095)

Sus-
pended
sedimnt
mass,
grams
(91157)
Sus-
pended
sedimnt
mass
<63 um,
grams
(91158)
Sus-
pended
sedimnt
mass
>63 um,
grams
(91159)		 Suspnd
sedimnt
mass
between
63 um &
4 mm,
grams
(91165)

Type
of
repli-
cate,
code
(99105)


Type
of
spike,
code
(99106)		 Type
of
sample
related
QA
data,
code
(99111)		 1 mL
4.5 N
H2SO4
preser-
vative
lot
number
(99156)		 2 mL
7.7 N
HNO3
preser-
vative
lot
number
(99159)		 100
uS/cm
KCl
conduct
stand-
ard lot
number
(99161)		 500
uS/cm
KCl
conduct
stand-
ard lot
number
(99163)		 750
uS/cm
KCl
conduct
stand-
ard lot
number
(99164)		 1000
uS/cm
KCl
conduct
stand-
ard lot
number
(99165)


pH 10
Buffer
lot
number
(99171)


pH 4
Buffer
lot
number
(99172)


pH 7
Buffer
lot
number
(99173)		 Lot no.
first,
inor-
ganic
grade
water,
number
(99200)
0.45 um
capsule
filter
NWIS
lot
number
(99206)		 NWIS
lot
number,
disk
filter,
0.45 um
number
(99218)		 Julian
date,
in-
bottle
diges-
tion,
ddd
(99870)
2019-10-10 11:50
 MDT
 K
 WS
 USGS-WRD
 150 5.0 0.5         1320 10 2.89 352 M  8.4 8.3 160 44.7 11.8 5.5 6.7 < 0.030 0.06 2.1 7.1 158 < 10.0 0.036 1.04 32.4 3.89 2.6 11 0.88   37   0.4   1001   86       3 5 6 21 3.10 10 3044 200 2 359 0.0194     0.0027         40295 30715 30656 30724   20356   20350   10062    
2020-03-26 13:00
 MDT
 K
 WS
 USGS-WRD
 130 4.7 4.0         926 22   360 M  8.3 8.3 162 45.7 11.7 5.0 5.4 0.054 0.07 2.9 7.1 155 < 10.0 0.052 0.94 34.9 6.78 2.4 11     26   0.9   1001   85       3 5 8 20   10 3044 200 2 376 0.0254     0.0037         40299 30763 30713 30724   20356   20350   10062    
2020-04-15 13:30
 MDT
 K
 WS
 USGS-WRD
 135 6.2 8.0         1370 11   327 M  8.4 8.2 146 40.8 10.6 4.6 5.9 0.043 0.12 2.5 14.6 435 28.1 0.091 2.70 73.4 6.01 2.6 21     39   1.2   1001   89       3 5 22 81   10 3044 200 2 334 0.0740     0.0085         40299 30763 30713 30724   20356 20353 20350   10062    
2020-05-07 12:10
 MDT
 K
 WS
 USGS-WRD
 176 7.3 13.0         3270 5   192 0.00001 8.0 8.2 83.5 24.0 5.70 3.9 5.7 < 0.030 0.14 2.5 21.2 656 45.9 0.154 3.50 78.1 5.53 3.3 29     93 0.6   1.8 1001   69       3 5 39 344   20 3044 200 2 196 0.1416     0.0444         40311 30763 30811 30724   20419   20350   10062    
2020-05-20 14:10
 MDT
 K
 WS
 USGS-WRD
 197 10.3 8.0         7360 5   139 0.00002 7.8 7.8 63.0 17.7 4.56 4.2 12.7 < 0.030 0.66 4.3 98.3 3900 84.0 0.267 18.7 377 23.7 4.3 173     208 0.2   1.1 1001   52       3 3 372 7390   20 3054 200 2 149 1.4847     0.7097 30.00   30   40311 30763 30811 30831   20419   20350   10063   20201000
2020-06-03 13:30
 MDT
 K
 WS
 USGS-WRD
 184 13.6 20.5         4750 5   172 0.00001 8.0 8.1 74.4 21.7 4.90 5.5 9.7 0.040 0.19 5.4 34.4 912 40.0 0.207 5.31 93.1 11.4 4.3 43     135 0.2   1.4 1001   56       3 4 60 770   20 3054 200 2 175 0.2553     0.1132         40311 30763 30811 30831   20419 20353 20350   10063   20201000
2020-07-15 12:55
 MDT
 K
 WS
 USGS-WRD
 117 16.0 23.5         2650 5   260 0.00001 8.3 8.2 117 33.3 8.11 6.3 7.7 0.042 0.08 4.1 10.5 204 11.9 0.066 1.14 27.3 8.70 2.5 12     75 0.4   1.3 1001   71       3 5 10 72   20 3044 200 2 261 0.0507     0.0145         40311 30763 30811 30831   20419   20350   10063   20201000
2020-08-19 12:15
 MDT
 K
 WS
 USGS-WRD
 120 17.5 27.0         864 15   331 M  8.4 8.3 160 44.6 11.9 6.4 6.5 < 0.030 0.05 3.0 6.1 85.7 < 10.0 0.031 0.54 24.6 7.63 2.4 8     24   0.2   1001   83       3 5 4 9.3   10 3044 200 2 336 0.0150     0.0026     40   40311 30763 30811 30831   20419   20350   10063   20201000
2020-10-15 11:55
 MDT
 K
 WS
 USGS-WRD
 110 7.1 6.0           6   347 0.00001 8.2 8.2 144 40.7 10.4 4.7 5.4 0.031 0.08 3.0 8.9 264 8.9 0.054 1.38 46.3 7.61 3.1 16         0.2   1001   84       3 5 14     10 3045 200 2 335 0.0473     0.0075           30763 30811 30831   20419   20398       20201000
2021-03-24 11:40
 MDT
 K
 WS
 USGS-WRD
 132 4.4 6.0           4   357 0.00001 8.2 8.2 161 45.7 11.3 5.4 7.4 0.042 0.14 3.8 18.3 521 20.0 0.110 2.76 76.1 16.3 5.0 28       0.2   0.8 1001   83       3 5 25     20 3052 200 2 362 0.0752     0.0127         40327 30862 30870 30861   20451   20398   10063   20210000
2021-04-14 12:30
 MDT
 K
 WS
 USGS-WRD
 145 4.1 6.5           29   311 0.00001 8.2 8.3 132 37.9 9.16 3.7 4.9 0.059 0.08 2.2 10.0 309 21.1 0.068 1.56 40.0 10.4 3.2 15         0.5   1001   85       3 5 13     10 3044 200 2 319 0.0403     0.0059         40327 30862 30870 30861   20480 20404 20422   10063   20211000
2021-05-06 12:00
 MDT
 K
 WS
 USGS-WRD
 172 10.4 21.0           4   200 0.00001 8.1 8.0 84.5 24.5 5.68 3.4 4.8 0.053 0.10 2.6 14.1 762 36.8 0.107 2.69 59.8 6.02 2.4 26       0.8   1.2 1001   50       3 5 44     20 3044 200 2 203 0.1544     0.0765         40332 30914 30870 30922   20480   20529   10067   20211000
2021-05-19 13:15
 MDT
 K
 WS
 USGS-WRD
 175 9.4 9.0           4   147 0.00001 7.9 8.0 65.0 18.5 4.59 2.7 4.1 < 0.030 0.09 2.4 14.6 680 35.0 0.077 2.45 58.3 5.22 2.3 21       0.6   1.0 1001   56       3 4 51     20 3054 200 2 150 0.1579     0.0697 30.00   30   40332 30862 30870 30922   20480   20529   10067   20211000
2021-06-09 13:30
 MDT
 K
 WS
 USGS-WRD
 174 13.3 16.5           4   183 0.00001 8.1 8.1 77.5 22.1 5.40 4.0 5.6 0.031 0.10 3.5 17.4 342 24.1 0.100 2.31 47.6 6.71 2.8 21       0.6   0.9 1001   64       3 4 31     20 3054 200 2 185 0.1066     0.0385         40332 30914 30870 30922   20480 20468 20529   10067   20211000
2021-07-14 11:30
 MDT
 K
 WS
 USGS-WRD
 90.0 17.9 28.0           11   288 M  8.4 8.3 138 37.5 10.8 4.5 4.9 < 0.030 < 0.03 2.5 3.5 34.5 7.5 0.029 0.15 8.5 4.23 < 2.0 3         0.4   1001   81       3 5 2     10 3044 200 2 288 0.0057     0.0011         40332 30914 30870 30922   20480   20529       20211000
2021-08-18 11:30
 MDT
 K
 WS
 USGS-WRD
 96.0 14.9 12.0     3     8   346 0.00001 8.2 8.3 171 46.8 13.2 5.2 5.5 < 0.030 0.03 2.3 4.0 74.6 7.4 0.030 0.35 23.3 4.63 2.0 6         0.3   1001     10.00   2500 3 5       10 3044 200 2 350           20.00 40 40336 40332 30926 30870 30922 30857 20480 20468 20529 81818 10071   20211000
2021-10-14 11:00
 MST
 K
 WS
 USGS-WRD
 125 5.7 5.0     2 852   12 1.99 370 M  8.3 8.3 184 51.5 13.5 4.9 5.4 < 0.030 0.06 1.8 7.0 173 5.7 0.045 1.13 38.5 3.28 2.3 12 0.61 24     0.2   1001   88 10.00   2640 3 5 9     10 3044 200 2 390 0.0298     0.0037         40339 30926 30840 30939   20480       10071   20211000
2022-03-24 09:45
 MDT
 K
 WS
 USGS-WRD
 150 8.4 8.5     1 1000   10 2.16 360 0.00001 8.2 8.3 176 49.5 12.7 4.7 5.6 0.054 0.09 3.1 10.9 9.0 8.7 0.070 1.50 40.9 9.22 3.6 16 0.66 28     0.5   1001   81 10.00   1320 3 5 12     10 3044 200 2 372 0.0334     0.0062     1   40354 30938 30940   30878 20564   20489   10071   20220000
2022-04-20 13:15
 MDT
 K
 WS
 USGS-WRD
 144 8.5 10.7     1 958   10 2.11 328 M  8.5 8.2 165 46.2 12.0 4.1 4.6 0.045 0.05 2.6 6.0 126 10.0 0.072 0.71 22.2 6.89 < 2.0 8 0.64 27     0.4   1001   80 10.00   1250 3 5 4     10 3052 200 2 343 0.0133     0.0026     1   40354 30938 30940   30878 20564 20468 20489 81822 10071   20221000
2022-05-05 09:45
 MDT
 K
 WS
 USGS-WRD
 105 10.9 15.0     2 1520   4 2.68 250 0.00001 8.1 8.1 108 30.6 7.66 3.4 4.6 0.035 0.12 2.4 12.4 554 24.1 0.065 2.15 54.3 6.74 < 2.0 20 0.82 43   0.4   0.9 1001   81 10.00   0.0 3 5 26     20 3052 200 2 254 0.0843     0.0156         40354 30938 30940   30929 20564   20489   10075   20221000
2022-05-26 12:45
 MDT
 K
 WS
 USGS-WRD
 107 16.3 21.0     1 1990   4 3.08 186 0.00001 8.2 8.1 80.9 22.9 5.75 2.7 3.1 < 0.030 0.04 2.1 4.9 198 19.6 0.049 0.68 21.1 4.27 < 2.0 8 0.94 56   0.5   1.2 1001   66 10.00   0.0 3 5 11     20 3044 200 2 187 0.0327     0.0110 30.00   30   40357 30978 30940   30929 20564   20489   10075   20221000
2022-06-09 11:30
 MDT
 K
 WS
 USGS-WRD
 157 13.9 20.0     1 3860   4 4.42 178 0.00001 7.9 8.1 76.8 22.6 4.96 4.1 7.3 0.035 0.17 3.3 26.5 792 32.5 0.180 4.17 85.7 7.00 3.6 36 1.35 109   0.8   1.2 1001   68 10.00 0.0   3 5 52     20 3044 200 2 182 0.1593     0.0513         40357 30978 30940   30929 20564   20489   10075   20221000
2022-07-14 13:10
 MDT
 K
 WS
 USGS-WRD
 105 20.6 29.5       1590   4 2.74 282 M  8.3 8.3 131 38.0 8.87 5.9 6.1 0.030 0.05 2.9 5.4 114 10.6 0.066 0.56 18.8 6.38 < 2.0 7 0.84 45   0.4   1.0 1001   83 10.00     3 5 6     10 3044 200 2 279 0.0166     0.0028         40357 30978 30940   30929 20582   20489     10074 20221000
2022-08-18 13:45
 MDT
 K
 WS
 USGS-WRD
 93.0 18.8         463     1.49 318 M  8.4 8.4 151 41.0 11.8 4.7 4.9 < 0.030 0.04 2.2 4.5 93.1 5.6 0.045 0.46 22.7 5.62 < 2.0 6 0.45 13         1001   81 10.00 2.0   3 5 5     40 3054 10 2 311 0.0165     0.0032     1   40368                 10074   20221000
2022-10-06 13:00
 MDT
 K
 WS
 USGS-WRD
   12.6 20.0     0.0 896     2.04 389 M  8.5 8.3 179 49.6 13.4 6.1 6.4 < 0.030 0.06 2.4 7.5 140 6.0 0.055 0.88 32.4 3.98 < 2.0 10 0.62 25         1001   86 10.00   1000     9     70 3070 10 2 375 0.0183 0.0157 0.0026       1   40368                 10074   20221000
2023-03-23 11:45
 MDT
 K
 WS
 USGS-WRD
 90.0 2.8     672 0.0 793     1.92 392 M  8.4 8.2 177 50.4 12.3 5.3 6.7 0.045 0.11 4.0 15.4 253 < 5.0 0.040 1.85 56.8 11.1 3.4 19 0.59 22         1001 5.7 71 10.00 2.0   3 5 11     40 3054   2 398 0.0317 0.0224 0.0093       1   40382                 10079   20230000
2023-04-12 14:30
 MDT
 K
 WS
 USGS-WRD
 120 6.0   42.0 670 2 3340     4.08 230 0.00001 8.0 8.0 96.7 27.8 6.62 7.9 19.6 0.034 0.63 7.8 97.1 3590 92.1 0.429 20.8 442 14.0 6.3 164 1.24 95         1001 60 60 10.00   5.0 3 5 225     10 3052 200 2 248 0.5397 0.3252 0.2145       1   40368                 10079   20230000
2023-05-11 12:00
 MDT
 K
 WS
 USGS-WRD
 120 9.9     677 1 4770   4 4.99 188 0.00001 7.9 8.0 82.1 23.6 5.62 5.4 10.5 0.049 0.36 5.7 60.0 2250 76.5 0.309 9.43 177 13.8 5.6 87 1.52 135         1001 28 52 10.00 10.0   3 4 178     40 3054   2 193 0.4858 0.2546 0.2312       1   40382                 10079   20231000
2023-05-30 11:35
 MDT
 K
 WS
 USGS-WRD
 122 12.5     673 1 4640   8 4.93 189 0.00002 7.8 8.1 82.4 23.9 5.48 6.3 10.6 0.045 0.22 6.3 41.4 1060 41.2 0.232 6.88 101 9.50 4.5 51 1.50 131         1001 14 58 10.00   0.0 3 4 71     10 3052   2 191 0.2829 0.1635 0.1194       1   40384       31068     20625   10079   20231000
2023-06-15 11:45
 MDT
 K
 WS
 USGS-WRD
 115 13.2     676 2 3940   8 4.50 231 0.00001 7.9 8.1 98.4 28.6 6.52 7.9 11.9 0.045 0.20 7.6 38.4 889 39.1 0.208 5.09 89.8 8.27 4.6 45 1.37 112         1001 13 64 10.00   0.0 3 4 55     10 3052   2 234 0.2057 0.1326 0.0731       1   40384                 10079   20231000
2023-07-13 12:15
 MDT
 K
 WS
 USGS-WRD
 100 17.1 23.9   676 2 1570   4 2.73 287     8.1 131 38.0 8.84 6.4 7.0 0.037 0.09 3.6 7.1 136 10.6 0.062 0.71 23.7 5.75 2.0 10 0.83 44         1001   72 10.00 10.0   3 5 6     10 3052   2 290 0.0157 0.0113 0.0044       1   40384                   10080 20231000
2023-08-17 11:45
 MDT
 K
 WS
 USGS-WRD
 99.0 17.8 30.6   673 0.0 574     1.64 342 M  8.3 8.3 160 44.3 12.0 6.4 6.7 < 0.030 0.05 3.3 5.2 73.5 6.8 0.048 0.41 21.3 5.60 < 2.0 6 0.50 16         1001 2.2 74 10.00 2.0   3 5 5     40 3052 10 2 337 0.0116 0.0086 0.0030       1   40384                   10080 20231000
2023-10-12 11:45
 MDT
 K
 WS
 USGS-WRD
 100 9.7   45.0 676 1 945     2.06 376 0.00001 8.3 8.2 174 49.1 12.6 6.3 6.4 0.037 0.07 2.5 7.5 163 6.1 0.048 1.05 31.8 3.40 < 2.0 11 0.63 27         1001 4.5 83 10.00   5.0 3 5 7     40 3052 10 2 373 0.0207 0.0172 0.0035       1   40389                     20231000
2023-11-03 11:15
 MDT
 K
 WS
 USGS-WRD
 100 4.5   47.0 678 2 1050     2.16 371 0.00001 8.2 8.2 173 49.0 12.4 4.7 5.4 0.034 0.08 2.0 9.8 227 8.0 0.067 1.59 46.2 4.06 3.5 15 0.66 30         1001 5.6 88 10.00   5.0 3 5 10     40 3052 10 2 368 0.0267 0.0236 0.0031                                 20231000

Water Quality Remark Code Description
< Less than
M Presence verified but not quantified