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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.


! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 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)

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)

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
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)
2018-10-17 10:45
 MDT
 K
 WS
 USGS-WRD
 125 6.0 5.0 800 11 3.62 438 0.00001 8.2 8.3 205 57.9 14.6 8.3 9.2 0.044 0.10 3.6 10.9 222 < 10.0 0.045 1.62 58.6 15.0 4.2 16 1.10 23   0.6   1001 45 40.00 3 5 23 50 3.30 10 3044 200 2 445         40267 30576 30645 30635 20291   20280   10055
2019-03-27 11:00
 MDT
 K
 WS
 USGS-WRD
 110 4.0 8.0 1580 5 4.68 372 0.00001 7.9 8.1 163 46.6 11.4 12.6 56.2 0.119 1.69 31.4 384 9430 93.1 0.479 47.6 707 49.0 17.7 426 1.43 45       1001 68 40.00 3 5 482 2060 3.80 20 3054 200 2 391 1.3674 0.4390   40280 40282 30614 30656   20356   20350   10055
2019-04-24 11:05
 MDT
 K
 WS
 USGS-WRD
 117 9.0 14.0 2460 5 5.62 313 0.00001 8.1 8.3 137 39.7 9.14 8.9 19.0 0.056 0.30 7.5 54.7 2160 109 0.393 9.82 185 13.1 6.4 75 1.71 70 0.8   1.2 1001 59 40.00 3 5 100 664 5.40 20 3052 200 2 320 0.4094 0.1672   40280 40282 30614 30656 30635 20356 20316 20350   10055
2019-05-08 12:30
 MDT
 K
 WS
 USGS-WRD
 105 10.0 14.0 1780 5 4.83 319 0.00001 8.2 8.3 148 42.3 10.3 7.7 13.4 0.049 0.18 5.8 29.2 848 37.6 0.175 4.64 92.6 13.5 5.8 36 1.47 50 0.6   1.2 1001 51 40.00 3 5 58 279 4.10 40 3052 200 2 324 0.2084 0.1014   40280 40282 30614   30635 20356   20350 81805 10055
2019-05-22 10:20
 MDT
 K
 WS
 USGS-WRD
 110 8.0 9.0 2490 5 5.66 281 0.00001 8.0 8.2 115 33.9 7.35 9.1 16.8 0.058 0.95 8.9 70.1 1570 49.4 0.302 9.25 138 12.3 6.3 128 1.73 70 1.0   1.6 1001 43 40.00 3 5 104 698 6.00 20 3052 200 2 287 0.4196 0.2408     40282 30614 30656 30635 20356 20316 20350   10055
2019-06-05 10:15
 MDT
 K
 WS
 USGS-WRD
 111 12.0 19.5 2560 5 5.73 253 0.00001 8.0 8.1 107 31.7 6.80 10.0 17.8 0.054 0.27 9.0 52.9 1340 32.8 0.205 7.80 128 10.9 4.8 69 1.75 73 0.9   1.2 1001 47 40.00 3 5 89 616 5.00 20 3052 200 2 255 0.3613 0.1925 10   40282 30715 30656 30635 20356 20316 20350   10057
2019-07-17 10:00
 MDT
 K
 WS
 USGS-WRD
 94.0 16.5 21.0 917 10 3.76 418 0.00001 8.2 8.2 185 52.2 13.2 11.8 14.0 0.034 0.10 4.5 12.8 316 < 10.0 0.090 2.02 67.7 16.7 3.1 16 1.15 26   0.5   1001 88   3 5 13 32 3.30 10 3044 200 2 419 0.0156 0.0018     40282 30715 30656 30724 20356 20316 20350   10057
2019-08-21 09:45
 MDT
 K
 WS
 USGS-WRD
 110 18.0 21.0 381 8 2.70 493 0.00001 8.1 8.3 230 65.7 16.0 12.3 13.8 0.039 0.09 4.1 11.2 151 < 10.0 0.072 1.10 55.8 16.1 3.2 12 0.82 11   0.2   1001 91   3 5 7 7.2 2.50 10 3044 200 2 498 0.0097 0.0009     40295 30715 30656 30724 20356 20316 20350   10062

Water Quality Remark Code Description
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