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Water Quality Samples for Montana

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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.


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)




Weather
WMO
code
(00041)


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,
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)
Suspnd.
sedimnt
sieve
diametr
percent
<0.0625
mm
(70331)




Sample
purpose
code
(71999)
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)
Suspnd
sedimnt
mass
between
63 um &
4 mm,
grams
(91165)


Type
of
repli-
cate,
code
(99105)
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)



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)
Julian
date,
in-
bottle
diges-
tion,
ddd
(99870)
2017-10-25 09:35
MDT
K
WS
USGS-WRD
210 5.0 2.0   955 4 3.95 354 0.00001 8.2 8.2 164 45.8 12.0 5.6 6.3 < 0.030 0.05 2.3 4.7 105 < 10.0 0.041 0.58 21.3 2.91 3.1 10 1.20 27 0.2   0.7 1001 88     3 5 5 13 2.70 20 3054 200 2 352           40241 30512 30522   20269   20264   10044  
2018-03-28 12:35
MDT
K
WS
USGS-WRD
260 5.5     1640 4 4.47 375 M  8.3 8.1 167 47.6 11.8 6.2 9.2 0.051 0.15 5.3 25.2 592 14.3 0.098 2.89 71.4 8.43 4.2 30 1.36 46 0.6   2.2 1001 84     3 5 28 124 3.70 20 3044 200 2 375           40246 30505 30551   20270   20264   10044  
2018-04-18 10:45
MDT
K
WS
USGS-WRD
177 5.0 7.0   2560 4 5.18 278 0.00001 8.1 8.0 123 34.3 8.97 4.8 8.4 0.033 0.17 4.7 26.6 1020 89.4 0.213 3.98 103 7.59 4.5 39 1.58 72 0.5   1.2 1001 71     3 5 48 332 4.30 20 3054 200 2 285           40246 30569 30551 30541 20291   20276   10044  
2018-05-09 11:40
MDT
K
WS
USGS-WRD
242 11.0 20.0   10000 5 8.42 159 0.00001 7.8 7.9 68.2 19.8 4.58 8.4 17.5 0.075 0.59 12.0 82.6 3560 221 0.954 14.0 322 25.8 13.4 151 2.57 283 0.4   1.4 1001 43     3 3 295 7960 9.00 20 3054 200 2 165           40246 30569 30551   20291   20280   10044  
2018-05-23 11:45
MDT
K
WS
USGS-WRD
240 11.0 24.0   8740 5 7.90 157 0.00001 7.9 8.1 71.1 20.2 5.05 7.9 13.6 0.056 0.34 9.0 57.0 1870 65.2 0.233 8.24 160 18.9 7.6 99 2.41 248 0.4   1.4 1001 49     3 3 132 3110 9.00 20 3054 10 2 161     30.00 30   40254 30569 30551   20291   20280   10044  
2018-06-07 13:10
MDT
K
WS
USGS-WRD
207 14.0 24.0   5780 5 6.42 198 0.00001 8.0 8.1 86.4 25.3 5.66 13.4 13.7 0.208 0.21 34.7 35.5 942 43.0 4.47 4.72 103 109 43.5 46 1.96 164 0.1   0.9 1001 64     3 3 61 952 4.80 20 3054 10 2 199           40254 30576 30600   20291   20280   10044  
2018-07-18 11:55
MDT
K
WS
USGS-WRD
180 16.0 28.0   2230 5 3.85 273 0.00001 8.3 8.2 123 35.4 8.45 7.6 8.9 0.043 0.07 4.5 9.8 202 12.6 0.111 0.99 35.4 10.2 2.8 11 1.17 63 0.3   1.0 1001 70     3 5 10 60 4.20 20 3054 10 2 275           40254 30576 30645 30635 20315   20280   10052  
2018-08-15 10:15
MDT
K
WS
USGS-WRD
95.0 15.0 20.0   862 19 2.67 330 0.00001 8.2 8.3 155 43.1 11.5 7.1 7.4 < 0.030 0.04 3.0 4.7 51.6 < 10.0 0.033 0.23 13.9 6.06 2.6 5 0.81 24   0.4   1001 77 40.00   3 5 3 7.0 2.90 10 3044 200 2 328           40254 30511 30645 30635 20315 20273 20280   10055  
2018-10-17 12:35
MDT
K
WS
USGS-WRD
120 6.0 11.0   1180 10 3.02 362 M  8.4 8.3 171 47.6 12.6 6.3 6.8 0.036 0.07 2.8 7.9 130 < 10.0 0.035 1.00 31.8 5.80 2.9 10 0.92 33   0.7   1001 86 40.00   3 5 6 19 3.10 10 3044 200 2 369 0.0063 0.0009       40267 30576 30645 30635 20291   20280   10055  
2019-03-27 13:30
MDT
K
WS
USGS-WRD
216 4.5 5.0 50 2280 5 3.77 305 0.00001 8.0 8.2 138 38.8 10.0 10.1 31.6 0.077 0.91 19.1 194 4750 59.2 0.276 26.1 472 19.7 12.7 208 1.15 65       1001 86 40.00   3 5 223 1380 4.20 20 3054 200 2 321 0.6855 0.0934     40280 40282 30614 30656   20356   20350   10055  
2019-04-24 13:45
MDT
K
WS
USGS-WRD
194 10.0 16.0   5700 5 5.96 210 0.00001 8.0 8.2 92.9 26.2 6.68 5.3 10.5 0.047 0.28 5.7 37.4 1680 114 0.299 6.51 153 11.6 5.6 64 1.82 161 0.6   2.1 1001 54 40.00   3 4 95 1460 6.00 20 3052 200 2 214 0.3760 0.1721     40280 40282 30614 30656 30635 20356 20316 20350   10055  
2019-05-08 14:45
MDT
K
WS
USGS-WRD
225 11.0 17.0   4140 5 5.04 213 0.00001 8.2 8.2 96.4 27.5 6.73 4.4 7.6 0.038 0.12 3.7 20.3 684 36.9 0.120 2.96 64.9 7.25 3.7 30 1.54 117 0.3   1.6 1001 55 40.00   3 5 47 526 4.70 40 3052 200 2 217 0.1690 0.0762     40280 40282 30614   30635 20356   20350 81805 10055  
2019-05-22 12:45
MDT
K
WS
USGS-WRD
225 8.0 14.0 10 5340 5 5.76 184 0.00001 8.0 8.1 78.8 22.7 5.39 5.3 9.4 0.048 0.21 6.0 34.3 1040 48.8 0.177 4.86 94.1 9.45 4.9 49 1.76 151 0.5   1.9 1001 45 40.00   3 4 84 1210 6.00 40 3052 200 2 189 0.3150 0.1724 30.00 30   40282 30614 30656 30635 20356 20316 20350   10055  
2019-06-05 13:15
MDT
K
WS
USGS-WRD
190 14.0 23.0   5070 5 5.66 179 0.00001 8.1 8.1 78.8 22.7 5.39 5.8 9.1 0.039 0.14 5.7 24.0 677 33.5 0.131 3.42 66.6 8.94 3.4 31 1.73 144 0.4   1.7 1001 60 40.00   3 4 43 589 6.00 20 3052 200 2 180 0.1782 0.0705       40282 30715 30656 30635 20356 20316 20350   10057  
2019-07-17 11:55
MDT
K
WS
USGS-WRD
163 16.9 22.0   1690 4 3.34 309 M  8.3 8.3 139 38.6 10.2 7.8 8.7 < 0.030 0.05 3.3 7.0 143 < 10.0 0.057 0.75 30.2 5.44 2.1 8 1.02 48 0.6   0.8 1001 83     3 5 6 27 4.00 20 3052 200 2 311 0.0174 0.0029       40282 30715 30656 30724 20356 20316 20350   10057  
2019-08-21 11:15
MDT
K
WS
USGS-WRD
130 18.0 27.0   747 9 2.36 348 M  8.4 8.3 163 45.4 12.1 7.4 7.9 < 0.030 0.04 3.0 5.6 76.8 < 10.0 0.032 0.45 22.5 5.67 2.1 6 0.72 21   0.6   1001 68     3 5 6 12 2.60 10 3044 200 2 353 0.0088 0.0028   40   40295 30715 30656 30724 20356 20316 20350   10062  
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     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       0.9   1001 85     3 5 8     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     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       1.2   1001 89     3 5 22     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     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     0.6   1.8 1001 69     3 5 39     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     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     0.2   1.1 1001 52     3 3 372     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     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     0.2   1.4 1001 56     3 4 60     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     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     0.4   1.3 1001 71     3 5 10     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     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       0.2   1001 83     3 5 4     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
2021-10-14 11:00
MST
K
WS
USGS-WRD
125 5.7 5.0 2 806 12 1.99 370 M  8.3                                     0.61 23   0.2   1001     2640 3 5       10 3044 200 2             40339 30926 30840 30939 20480       10071  

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