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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 12331800 Clark Fork near Drummond MT

Granite County, Montana
Hydrologic Unit Code 17010202
Latitude  46°42'42.89", Longitude 113°19'50.81" NAD83
Drainage area 2,516  square miles
Gage datum 3,810 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
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 10:25
 MDT
 K
 WS
 USGS-WRD
 120 4.5 0.5         876 12 3.64 418 0.00001 8.2 8.3 186 52.8 13.2 7.1 9.0 0.041 0.08 2.7 10.3 226 < 10.0 0.042 1.52 50.0 11.8 3.3 14 1.11   25   0.4   1001   79       3 5 13 31 3.20 10 3044 200 2 425 0.0484     0.0102     40295 30715 30656 30724   20356   20350   10062    
2020-03-26 14:15
 MDT
 K
 WS
 USGS-WRD
 115 5.7 7.0         626 19   437 M  8.4 8.3 205 59.0 14.0 6.7 7.5 0.081 0.09 3.1 8.7 194 < 10.0 0.082 1.32 54.2 19.8 3.0 11     18   0.7   1001   85       3 5 9 15   10 3044 200 2 458 0.0280     0.0043     40299 30763 30713 30724   20356   20350   10062    
2020-04-15 14:45
 MDT
 K
 WS
 USGS-WRD
 117 7.0 5.0         830 20   442 0.00001 8.2 8.2         10.2   0.23   25.0 1000     4.37 107     48     24   1.0   1001   82       3 5 34 76   10 3044 200 2 451 0.1211     0.0212     40299 30763 30713 30724   20356 20353 20350   10062   20210000
2020-05-07 13:30
 MDT
 K
 WS
 USGS-WRD
 108 8.1 13.0         1320 5   322 0.00001 8.1 8.3 142 42.4 8.67 6.7 11.7 0.055 0.25 4.3 40.9 1100 41.7 0.235 6.67 152 9.61 4.2 53     37 0.4   0.8 1001   69       3 5 61 217   20 3044 200 2 326 0.2059     0.0644     40311 30763 30811 30724   20419   20350   10062    
2020-05-20 16:30
 MDT
 K
 WS
 USGS-WRD
 111 12.7 14.0         2640 5   275 0.00001 8.0 8.0 114 33.6 7.36 12.1 43.1 0.043 1.72 8.5 280 8240 87.3 0.718 59.3 915 51.4 6.6 421     75 0.2   0.5 1001   59       3 3 608 4330   20 3054 200 2 292 2.0402     0.8363     40311 30763 30811 30831   20419   20350   10063   20201000
2020-06-03 15:15
 MDT
 K
 WS
 USGS-WRD
 127 15.4 24.0         2120 5   264 0.00001 8.1 8.1 114 34.5 6.85 9.7 17.6 0.072 0.33 9.1 67.3 1580 28.9 0.259 9.90 164 13.4 5.3 77     60 0.5   0.7 1001   60       3 4 79 452   20 3054 200 2 267 0.3498     0.1416 10   40311 30763 30811 30831   20419 20353 20350   10063   20201000
2020-07-15 14:50
 MDT
 K
 WS
 USGS-WRD
 109 16.7 27.5         1500 4   347 0.00001 8.3 8.3 158 45.6 10.7 9.9 12.1 0.065 0.12 5.6 17.8 313 < 10.0 0.094 2.12 49.8 15.9 3.6 19     42 0.4   0.6 1001   67       3 5 15 61   20 3044 200 2 348 0.0469     0.0155     40311 30763 30811 30831   20419   20350   10063   20201000
2020-08-19 13:30
 MDT
 K
 WS
 USGS-WRD
 86.0 19.1 27.5         415 11   500 0.00001 8.2 8.3 240 68.6 16.7 12.2 12.4 0.048 0.09 4.8 9.7 119 < 10.0 0.055 0.81 47.7 18.6 3.0 10     12   0.1   1001   78       3 5 9 10   10 3044 200 2 505 0.0299     0.0065     40311 30763 30811 30831   20419   20350   10063   20201000
2020-10-15 13:15
 MDT
 K
 WS
 USGS-WRD
 88.0 7.7 11.0           4   458 0.00001 8.2 8.2 198 56.8 13.6 7.3 9.3 0.044 0.11 2.7 13.4 340 < 5.0 0.051 2.61 74.4 13.4 3.3 22         0.3   1001   78       3 5 19     10 3045 200 2 451 0.0650     0.0144     40322 30763 30811 30831   20419   20398   10063   20201000
2021-03-24 13:15
 MDT
 K
 WS
 USGS-WRD
 75.0 5.2 9.0           8   452 0.00001 8.1 8.2 206 60.0 13.7 6.7 10.0 0.067 0.15 4.2 20.8 609 15.5 0.116 3.62 96.4 25.5 5.4 30         0.3   1001   76       3 5 30     10 3044 200 2 456 0.0991     0.0239     40327 30862 30870 30861   20451   20398   10063   20210000
2021-04-14 13:50
 MDT
 K
 WS
 USGS-WRD
 134 4.4 5.5           17   436 0.00001 8.2 8.6 191 55.7 12.6 5.7 7.8 0.078 0.12 2.8 15.3 443 9.8 0.056 2.50 72.9 21.3 4.4 21         0.4   1001   79       3 5 19     10 3044 200 2 447 0.0595     0.0123     40327 30862 30870 30861   20480 20404 20422   10063   20211000
2021-05-06 13:30
 MDT
 K
 WS
 USGS-WRD
 108 12.5 23.0           4   359 M  8.3 8.3 159 46.6 10.3 6.6 9.5 0.068 0.16 4.2 21.2 694 22.4 0.128 4.00 104 11.3 2.8 29       0.5   0.5 1001   75       3 5 35     20 3044 200 2 361 0.1067     0.0271     40332 30914 30870 30922   20480   20529   10067   20211000
2021-05-19 15:00
 MDT
 K
 WS
 USGS-WRD
 123 11.2 9.5           4   323 0.00001 8.2 8.1 145 43.0 9.24 7.3 9.7 0.036 0.15 4.7 22.5 643 18.7 0.118 4.09 94.3 11.9 3.0 26       0.3   0.4 1001   84       3 4 31     20 3054 200 2 329 0.0794     0.0125     40332 30862 30870 30922   20480   20529   10067   20211000
2021-06-09 15:15
 MDT
 K
 WS
 USGS-WRD
 108 16.6 19.5           4   332 M  8.4 8.3 142 42.0 8.87 8.6 12.1 0.054 0.20 5.7 32.0 688 14.1 0.136 4.65 90.9 12.7 3.1 34       0.3   0.4 1001   71       3 4 39     20 3054 200 2 335 0.1055     0.0310 10   40332 30914 30870 30922   20480 20468 20529       20211000
2021-07-14 12:45
 MDT
 K
 WS
 USGS-WRD
 60.0 20.8 29.5           12   482 M  8.6 8.4 240 67.9 17.2 10.4 11.0 < 0.030 0.04 4.9 7.5 70.2 5.9 0.071 0.49 30.4 13.3 < 2.0 6         0.2   1001   73       3 5 17     10 3044 200 2 484 0.0546     0.0150     40332 30914 30870 30922   20480   20529       20211000
2021-08-18 12:45
 MDT
 K
 WS
 USGS-WRD
 90.0 15.4 14.5     2     8   523 0.00001 8.1 8.3 260 73.3 18.6 9.9 10.5 0.051 0.08 3.7 10.1 198 7.1 0.079 1.19 70.1 11.2 3.4 13         0.3   1001     10.00   10.0 3 5       10 3044 200 2 534           40336 40332 30926 30870 30922 30857 20480 20468 20529 81818 10071   20211000
2021-10-14 12:15
 MST
 K
 WS
 USGS-WRD
 125 6.5 8.0     2 584   12 3.11 467 M  8.3 8.3 234 66.6 16.4 6.5 7.3 0.043 0.09 2.3 10.1 257 5.9 0.059 1.91 65.5 10.5 3.1 15 0.95 17     0.2   1001   73 10.00   5.0 3 5 21     10 3044 200 2 491 0.0879     0.0234     40339 30926 30840 30939   20480       10071   20211000
2022-03-24 11:30
 MDT
 K
 WS
 USGS-WRD
 130 9.6 11.5     1 617   10 3.18 468 0.00001 8.2 8.2 230 66.7 15.4 7.3 9.7 0.093 0.15 4.8 21.3 10.7 10.3 0.123 2.75 66.6 18.8 4.5 25 0.97 17     0.2   1001   77 10.00   10.0 3 5 21     10 3044 200 2 485 0.0641     0.0148 1   40354 30938 30940   30878 20564   20489   10071   20220000
2022-04-20 15:15
 MDT
 K
 WS
 USGS-WRD
 126 10.5 11.5     1 505   18 2.97 461 M  8.5 8.2 234 68.0 15.7 6.8 8.4 0.100 0.13 4.5 10.1 185 11.6 0.124 1.21 44.4 21.7 3.0 13 0.91 14     0.2   1001   71 10.00   10.0 3 5 10     10 3052 200 2 484 0.0328     0.0094 1   40354 30938 30940   30878 20564 20468 20489 81822 10071   20221000
2022-05-04 15:30
 MDT
 K
 WS
 USGS-WRD
 120 14.6 21.0     1 507   11 2.98 458 M  8.5 8.2 221 63.5 15.2 8.4 9.3 0.098 0.14 4.8 13.2 314 12.8 0.135 1.99 63.2 18.1 2.3 17 0.91 14     0.2   1001   91 10.00   20.0 3 5 13     10 3044 200 2 465 0.0431     0.0038 1   40354 30938 30940   30929 20564 20468 20489   10074   20221000
2022-05-25 16:15
 MDT
 K
 WS
 USGS-WRD
 120 16.0 20.5     1 536   10 3.01 422 M  8.6 8.2 207 59.6 14.2 8.2 8.8 0.067 0.11 4.6 12.6 257 12.7 0.121 1.49 53.2 16.0 < 2.0 15 0.92 15     0.3   1001   94 10.00 30.0   3 5 9     10 3044 200 2 430 0.0301     0.0018     40354 30938 30940   30929 20564 20468 20489   10074   20221000
2022-06-08 16:30
 MDT
 K
 WS
 USGS-WRD
 108 14.7 18.0     2 1330   4 4.24 355 0.00001 8.1 8.1 154 47.0 9.00 10.4 19.5 0.081 0.45 7.6 85.1 1870 36.7 0.392 12.5 213 12.6 5.7 88 1.29 38   0.6   0.7 1001   68 10.00 10.0   3 5 111     20 3052 200 2 357 0.3201     0.1016 10   40357 30978 30940   30929 20564 20468 20489   10075   20221000
2022-07-13 17:40
 MDT
 K
 WS
 USGS-WRD
 120 21.6 28.0       794     3.46 423 0.00001 8.3 8.3 205 59.6 13.6 11.3 12.0 0.053 0.09 4.8 18.6 195 10.3 0.117 1.32 39.0 13.9 2.2 15 1.05 22     0.7   1001   79 10.00   20.0 3 5 9     10 3044 200 2 421 0.0299     0.0062     40357 30978 30940   30929 20582 20523 20489     10074 20221000
2022-08-18 15:15
 MDT
 K
 WS
 USGS-WRD
 114 23.5       0.0 185   10 2.07 561 0.00001 8.0 8.3 264 73.3 19.7 11.2 11.5 0.051 0.04 4.0 4.9 42.2 < 5.0 0.051 0.28 22.5 12.7 3.0 5 0.63 5.2         1001   53 10.00   200.0 3 5 3     10 3044 10 2 548 0.0079     0.0037 30   40368                 10074   20221000
2022-10-05 17:15
 MDT
 K
 WS
 USGS-WRD
 129 14.4 23.5     0.0 501     3.06 324 M  8.4 8.3 228 64.5 16.3 8.8 9.4 0.038 0.07 3.4 7.8 172 5.5 0.077 1.27 50.5 9.65 < 2.0 11 0.93 14         1001   72 10.00   10.0 3 5 13     10 3044 10 2 469 0.0387 0.0277 0.0110   1   40368                 10074   20221000
2023-03-22 15:30
 MDT
 K
 WS
 USGS-WRD
 105 5.6     658 0.0 520   10 2.98 480 M  8.4 8.1 213 61.3 14.6 7.2 12.2 0.080 0.31 5.8 48.0 970 6.3 0.067 7.00 175 27.6 5.9 58 0.91 15         1001 13 59 10.00   3.0 3 5 48     10 3044   2 478 0.1525 0.0907 0.0618   40   40382                 10079   20230000
2023-04-12 12:45
 MDT
 K
 WS
 USGS-WRD
 110 4.2   55.0 659 2 2160   8 5.25 247 0.00001 8.0                                     1.60 61         1001 87   10.00 75.0   3 5       10 3052 200 2           1   40368                 10079    
2023-05-11 13:45
 MDT
 K
 WS
 USGS-WRD
 115 12.1     665 1 2260   8 5.37 291 0.00001 8.0                                     1.64 64         1001 25   10.00 30.0   3 4       10 3054   2           1   40382                 10079    

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