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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 06307500 Tongue River at Tongue R Dam nr Decker MT

Big Horn County, Montana
Hydrologic Unit Code 10090101
Latitude  45°08'28.59", Longitude 106°46'16.88" NAD83
Drainage area 1,783  square miles
Gage datum 3,344.4 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 


Temper-
ature,
water,
deg C
(00010)


Temper-
ature,
air,
deg C
(00020)

Baro-
metric
pres-
sure,
mm Hg
(00025)

Instan-
taneous
dis-
charge,
ft3/s
(00061)



Gage
height,
feet
(00065)		 Specif-
ic
conduc-
tance,
wat unf
uS/cm @
25 degC
(00095)		 Hydro-
gen
ion,
water,
unfltrd
calcd,
mg/L
(00191)


Dis-
solved
oxygen,
mg/L
(00300)
Dis-
solved
oxygen,
percent
of sat-
uration
(00301)
pH,
water,
unfltrd
field,
std
units
(00400)
pH,
water,
unfltrd
lab,
std
units
(00403)

Carbon
dioxide
water,
unfltrd
mg/L
(00405)
Organic
nitro-
gen,
water,
unfltrd
mg/L
(00605)

Ammonia
water,
fltrd,
mg/L
as N
(00608)

Nitrite
water,
fltrd,
mg/L
as N
(00613)

Nitrate
water,
fltrd,
mg/L
as N
(00618)		 Nitrate
+
nitrite
water,
fltrd,
mg/L
as N
(00631)
Ortho-
phos-
phate,
water,
fltrd,
mg/L
(00660)
Phos-
phorus,
water,
unfltrd
mg/L
as P
(00665)		 Ortho-
phos-
phate,
water,
fltrd,
mg/L
as P
(00671)

Hard-
ness,
water,
mg/L as
CaCO3
(00900)		 Noncarb
hard-
ness,
wat flt
lab,
mg/L as
CaCO3
(00905)


Calcium
water,
fltrd,
mg/L
(00915)

Magnes-
ium,
water,
fltrd,
mg/L
(00925)


Sodium,
water,
fltrd,
mg/L
(00930)


Sodium
adsorp-
tion
ratio
(00931)
Sodium
frac-
tion
of
cations
percent
(00932)

Potas-
sium,
water,
fltrd,
mg/L
(00935)

Chlor-
ide,
water,
fltrd,
mg/L
(00940)


Sulfate
water,
fltrd,
mg/L
(00945)

Fluor-
ide,
water,
fltrd,
mg/L
(00950)

Silica,
water,
fltrd,
mg/L as
SiO2
(00955)


Arsenic
water,
fltrd,
ug/L
(01000)


Arsenic
water,
unfltrd
ug/L
(01002)


Barium,
water,
fltrd,
ug/L
(01005)
Barium,
water,
unfltrd
recover
-able,
ug/L
(01007)

Beryll-
ium,
water,
fltrd,
ug/L
(01010)		 Beryll-
ium,
water,
unfltrd
recover
-able,
ug/L
(01012)


Cadmium
water,
fltrd,
ug/L
(01025)


Cadmium
water,
unfltrd
ug/L
(01027)

Chrom-
ium,
water,
fltrd,
ug/L
(01030)		 Chrom-
ium,
water,
unfltrd
recover
-able,
ug/L
(01034)


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)


Nickel,
water,
fltrd,
ug/L
(01065)
Nickel,
water,
unfltrd
recover
-able,
ug/L
(01067)


Zinc,
water,
fltrd,
ug/L
(01090)
Zinc,
water,
unfltrd
recover
-able,
ug/L
(01092)		 Alum-
inum,
water,
unfltrd
recover
-able,
ug/L
(01105)

Alum-
inum,
water,
fltrd,
ug/L
(01106)

Selen-
ium,
water,
fltrd,
ug/L
(01145)

Selen-
ium,
water,
unfltrd
ug/L
(01147)		 Alka-
linity,
wat flt
fxd end
lab,
mg/L as
CaCO3
(29801)

Gage
height
above
datum
meters
(30207)

Dis-
charge,
instan-
taneous
m3/s
(30209)		 Total
nitro-
gen,
wat unf
by anal
ysis,
mg/L
(62855)		 Dis-
solved
solids,
sum of
consti-
tuents,
mg/L
(70301)

Dis-
solved
solids,
water,
ton/d
(70302)
Dis-
solved
solids,
water,
tons/
acre-ft
(70303)		 Suspnd.
sedimnt
sieve
diametr
percent
<0.0625
mm
(70331)


Ammonia
water,
fltrd,
mg/L
(71846)


Nitrate
water,
fltrd,
mg/L
(71851)

Nitrite
water,
fltrd,
mg/L
as NO2
(71856)		 Sus-
pended
sedi-
ment
concen-
tration
mg/L
(80154)		 Sus-
pended
sedi-
ment
dis-
charge,
ton/d
(80155)


Sam-
pling
method,
code
(82398)



Sampler
type,
code
(84164)		 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)
2017-10-19 08:25
 MDT
 K
 WS
 USGS-WRD
 10.8 1.0 670 271 11.36 492 M  10.4 107 8.6 8.3 0.8                 236 70 47.3 28.7 19.9 0.56 15 2.64 3.67 98.4 0.20 7.43                                                     167 3.46 7.7   308 225 0.42 92       2 1.5 10 3044 509     1
2018-04-24 17:15
 MDT
 K
 WS
 USGS-WRD
 6.4 12.0 683 521 11.84 712 M  13.1 119 8.4 8.2 1.6                 340 124 62.1 44.8 33.8 0.80 18 3.87 6.76 180 0.21 7.24                                                     216 3.61 15   469 659 0.64 18       1 1.4 10 3044 729     10
2018-06-20 15:55
 MDT
 K
 WS
 USGS-WRD
 17.7 20.0 677 1080 12.84 371 0.00001 9.2 109 8.0 8.1 2.2                 169 55 35.0 19.8 15.9 0.53 17 2.53 2.27 76.5 0.13 8.05                                                     114 3.91 31   228 666 0.31 77       6 17 10 3052 381     1
2018-07-16 15:30
 MDT
 K
 WS
 USGS-WRD
 17.8 33.0 675 400 11.62 434 0.00003 10.9 130 7.6 8.0 6.3 0.12 0.05 0.007 0.171 0.18 0.067 0.020 0.022 202 72 41.9 23.5 18.5 0.57 16 2.31 2.33 93.3 0.14 8.65 1.0 1.2 37.1 40.5 < 0.030 < 0.01 < 0.090 < 0.03 < 1.5 < 0.5 < 1.2 0.6 124 < 10.0 < 0.060 0.09 130 107 0.91 0.9 < 6.0 < 2 50.5 < 9.0 0.29 0.3 130 3.54 11 0.34 270 291 0.37 97 0.059 0.756 0.022 4 4.3 10 3044 437 0.0035 0.0001 1
2018-08-22 18:00
 MDT
 K
 WS
 USGS-WRD
 20.0 25.0 6670 380 11.97 506 0.00001 9.5 12 7.9 8.2 3.8 0.32 0.17 0.007 0.018 0.03 0.251 0.120 0.082 231 75 46.1 28.1 20.8 0.60 16 2.40 3.19 108 0.16 6.81 1.7 2.0 44.0 52.0 < 0.010 0.05 < 0.030 0.03 < 0.50 < 0.5 0.44 1.3 471 20.2 < 0.020 0.50 201 144 0.83 1.6 < 2.0 3 121 5.3 0.30 0.3 155 3.65 11 0.52 310 318 0.42 86 0.219 0.082 0.024 2 2.1 10 3044 512 0.0021 0.0003 1
2018-09-11 15:45
 MDT
 K
 WS
 USGS-WRD
 19.6 24.0 670 365 11.79 530 0.00001 8.5 106 8.2 8.4 2.0 < 0.35 < 0.01 0.001 < 0.009 < 0.01 0.016 0.020 0.005 249 84 49.4 30.6 22.6 0.62 16 2.65 3.53 118 0.17 5.57 1.4 1.4 44.8 51.4 < 0.010 < 0.01 < 0.030 < 0.03 < 0.50 < 0.5 0.43 0.6 30.7 < 10.0 < 0.020 0.04 12.9 3.32 0.87 0.8 < 2.0 < 2 14.8 < 3.0 0.40 0.4 166 3.59 10 0.35 332 327 0.45 92 < 0.013 < 0.038 0.005 2 2.0 10 3044 533 0.0013 0.0001 1

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