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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 12324400 Clark Fork ab Little Blackfoot R nr Garrison MT

Powell County, Montana
Hydrologic Unit Code 17010201
Latitude  46°30'39.28", Longitude 112°47'22.87" NAD83
Drainage area 1,130  square miles
Gage datum 4,350 feet above NGVD29
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
repli-
cate,
code
(99105)
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)



pH 10
Buffer
lot
number
(99171)



pH 7
Buffer
lot
number
(99173)

0.45 um
capsule
filter
NWIS
lot
number
(99206)
2016-10-18 14:40
MDT
K
WS
USGS-WRD
70.0 8.0 11.0 226 18 3.30 496 M  8.7 8.5 227 65.8 15.2 12.9 13.7 0.050 0.08 5.8 13.8 175 5.6 0.060 1.35 81.9 28.0 2.6 11 1.01 6.4   0.4   1001 88 3 5 6 3.7 1.80 10 3044 200 2 502     40218 30452 30458 20157 20184 10040
2017-03-21 13:40
MDT
K
WS
USGS-WRD
80.0 6.0 10.0 370 16 3.62 435 M  8.4 8.0 197 58.2 12.5 10.9 19.0 0.054 0.34 8.5 71.2 1150 20.5 0.170 9.98 170 34.7 6.6 61 1.10 10   0.5   1001 73 3 5 51 51 2.50 10 3044 200 2 431 30.00 30 40218     20237 20184 10036
2017-04-18 14:40
MDT
K
WS
USGS-WRD
75.0 9.5 15.0 280 15 3.33 471 M  8.8 8.3 204 59.3 13.6 11.8 15.6 0.048 0.18 7.4 34.5 450 14.5 0.104 3.90 94.8 29.4 3.3 27 1.01 7.9   0.4   1001 82 3 5 20 15 2.40 10 3044 200 2 470     40231     20237 20184 10036
2017-05-09 15:05
MDT
K
WS
USGS-WRD
80.0 14.0 20.0 329 16 3.50 365 M  8.6 8.2 154 46.2 9.28 16.4 22.9 0.049 0.30 10.5 62.8 872 15.9 0.172 7.87 166 24.0 3.0 49 1.07 9.3   0.5   1001 88 3 5 37 33 2.50 10 3044 200 2 361     40231   30522 20237 20184 10036
2017-05-23 15:20
MDT
K
WS
USGS-WRD
80.0 17.0 25.0 387 16 3.69 409 M  8.5 8.2 171 50.1 11.2 20.8 28.1 0.076 0.32 12.1 75.5 962 16.5 0.220 8.18 141 25.5 6.0 58 1.12 11   0.5   1001 83 3 5 38 40 2.70 10 3044 200 2 408     40224 30512 30522 20237 20184 10036
2017-06-13 16:40
MDT
K
WS
USGS-WRD
70.0 11.0 8.0 1640 4 6.12 360 0.00001 8.0 7.8 145 40.5 10.6 27.4 138 0.102 3.25 36.6 869 17300 105 0.955 132 1060 164 17.8 800 1.87 46 0.6   1.1 1001 61 3 5 836 3700 4.80 20 3054 200 2 362     40224 30512 30522 20237 20184 10044
2017-07-11 14:25
MDT
K
WS
USGS-WRD
80.0 20.0 24.0 205 16 3.11 394 M  8.4 8.3 173 51.3 11.0 19.6 20.4 0.082 0.14 11.5 23.6 224 17.2 0.132 2.40 58.5 29.9 8.4 18 0.95 5.8   0.4   1001 74 3 5 8 4.4 1.80 10 3044 200 2 394     40237 30529 30522 20237 20221 10044
2017-08-15 17:00
MDT
K
WS
USGS-WRD
65.0 20.0 26.0 78 16 2.53 461 M  8.5 8.3 190 53.9 13.6 16.8 17.1 < 0.030 < 0.03 8.3 10.2 21.9 < 10.0 0.059 0.16 6.4 2.68 < 2.0 < 2 0.77 2.2   0.2   1001 89 3 5 7 1.5 1.00 10 3044 200 2 449     40237 30529 30522 20237 20210 10044

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