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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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


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)
Type
of
sample
related
QA
data,
code
(99111)
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 7
Buffer
lot
number
(99173)

0.45 um
capsule
filter
NWIS
lot
number
(99206)
2016-10-19 08:05
MDT
K
WS
USGS-WRD
120 7.0 3.0 520 17 2.96 473 0.00001 8.2 8.2 220 62.6 15.4 8.9 9.1 0.030 0.08 2.9 9.4 206 < 4.0 0.040 1.37 50.4 9.25 3.5 13 0.90 15   0.2   1001 81 3 5 10 14 3.40 10 3044 200 2 476   40218 30452 30458   20157 20184 10040
2017-03-22 08:30
MDT
K
WS
USGS-WRD
110 6.0 3.0 868 14 3.65 383 0.00001 8.1 8.0 174 50.4 11.8 8.2 14.0 < 0.030 0.27 5.4 45.4 1120 38.4 0.211 7.67 142 14.7 5.7 55 1.11 25   0.4   1001 62 3 5 60 141 3.70 10 3044 200 2 376   40218       20237 20184 10036
2017-04-19 07:50
MDT
K
WS
USGS-WRD
110 8.0 4.0 742 16 3.33 391 0.00001 8.3 8.1 171 48.6 12.1 8.2 11.4 < 0.030 0.16 4.1 22.8 553 12.0 0.075 4.22 90.4 12.2 3.7 29 1.01 21   0.3   1001 72 3 5 33 66 3.40 10 3044 200 2 386   40231       20237 20184 10036
2017-05-10 08:05
MDT
K
WS
USGS-WRD
106 11.0 9.0 1120 4 4.08 282 0.00001 8.1 8.0 124 36.6 8.02 9.4 16.0 < 0.030 0.26 5.9 37.1 1080 42.6 0.301 8.18 181 9.33 4.7 56 1.24 32 0.4   0.6 1001 80 3 5 57 172   20 3054 200 2 281   40231   30522   20237 20184 10036
2017-05-24 07:45
MDT
K
WS
USGS-WRD
107 13.0 16.0 1350 4 4.44 298 0.00001 8.0 8.0 125 36.8 7.92 10.4 16.2 0.037 0.28 6.7 46.6 1380 42.5 0.287 8.74 160 8.96 4.7 60 1.35 38 0.5   0.6 1001 54 3 5 86 313 3.70 20 3054 200 2 292   40224 30512 30522   20237 20184 10036
2017-06-14 09:45
MDT
K
WS
USGS-WRD
116 9.5 10.0 5500 4 8.19 276 0.00002 7.8 7.8 113 32.7 7.62 26.5 79.1 0.067 2.20 18.8 330 14000 177 1.54 78.2 1240 77.0 14.7 575 2.50 156 0.9   1.2 1001 55 3 4 759 11300 6.00 20 3054 200 2 283 10 40224 30512 30522   20237 20184 10044
2017-07-12 07:45
MDT
K
WS
USGS-WRD
100 17.0 16.0 593 14 3.13 432 0.00001 8.2 8.2 199 58.3 13.0 14.0 15.4 0.050 0.10 6.6 15.4 248 11.0 0.098 1.53 60.0 13.4 3.6 17 0.95 17   0.2   1001 85 3 5 11 18 3.40 10 3044 200 2 430   40237 30529 30522   20237 20221 10044
2017-08-16 08:35
MDT
K
WS
USGS-WRD
105 15.0 10.0 241 21 2.46 542 0.00001 8.1 8.1 244 68.9 17.6 11.6 12.2 < 0.030 0.05 4.4 8.3 103 < 10.0 0.078 0.59 40.7 13.7 3.1 9 0.75 6.8   0.1   1001 87 3 5 6 3.9 2.50 10 3044 200 2 536   40237 30529 30522 30541 20237 20210 10044

Water Quality Remark Code Description
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