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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 12323600 Silver Bow Creek at Opportunity MT

Deer Lodge County, Montana
Hydrologic Unit Code 17010201
Latitude  46°06'27.93", Longitude 112°48'19.02" NAD83
Drainage area 343  square miles
Gage datum 4,912 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)

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



Weather
WMO
code
(00041)



Dis-
charge,
ft3/s
(00060)
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)

Carbon
dioxide
water,
unfltrd
mg/L
(00405)		 Carbon-
ate,
wat flt
infl pt
titr.,
field,
mg/L
(00452)		 Bicar-
bonate,
wat flt
infl pt
titr.,
field,
mg/L
(00453)

Organic
carbon,
water,
fltrd,
mg/L
(00681)

Hard-
ness,
water,
mg/L as
CaCO3
(00900)		 Noncarb
hard-
ness,
wat flt
field,
mg/L as
CaCO3
(00904)		 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)


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)		 Alka-
linity,
wat flt
fxd end
lab,
mg/L as
CaCO3
(29801)

Gage
height
above
datum
meters
(30207)



Dis-
charge,
m3/s
(30208)		 Alka-
linity,
wat flt
inf tit
field,
mg/L as
CaCO3
(39086)


Transit
rate,
sampler
ft/s
(50015)


Site
visit
purpose
code
(50280)		 Turbdty
white
light,
det ang
90+/-30
corrctd
NTRU
(63676)		 Turbid-
ity,
IR LED
light,
det ang
90 deg,
FNU
(63680)		 Dis-
solved
solids,
sum of
consti-
tuents,
mg/L
(70301)
Dis-
solved
solids,
water,
tons/
acre-ft
(70303)		 Suspnd.
sedimnt
sieve
diametr
percent
<0.0625
mm
(70331)		 Hydrox-
ide,
wat flt
infl pt
titr.,
field,
mg/L
(71834)



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)		 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)
0.16 N
Sulfur-
ic acid
titrant
lot
number
(99174)		 1800
uS/cm
KCl
conduct
stand-
ard lot
number
(99177)		 Lot no.
first,
inor-
ganic
grade
water,
number
(99200)
0.45 um
capsule
filter
NWIS
lot
number
(99206)		 Julian
date,
in-
bottle
diges-
tion,
ddd
(99870)
2019-10-07 12:15
 MDT
 K
 WS
 USGS-WRD
   13.0 15.0     68   2.20 793 0.00001 8.1 8.2 1.4     2.73 324   227 112 10.8 32.5 0.78 17 8.24 28.5 275 0.67 23.2 5.0 5.3 0.863 0.70 9.0 14.3 176 10.7 0.042 0.74 122 78.5 79.6 93 97.1 0.67 1.9     1001 < 2.0   549 0.75 93   10.00     3 5 4 2.00 10 3044 10 2 805 0.0102     0.0007   40286 40295 30715 30656 30724   20356 20316 20350       10062  
2020-03-24 12:35
 MDT
 K
 WS
 USGS-WRD
   3.2 3.0     56   1.92 838 0.00001 8.0 8.0 2.1     3.99 333   233 115 11.0 33.1 0.79 17 9.42 29.0 292 0.76 21.9 6.8 7.4 1.23 0.97 12.3 30.2 559 27.2 0.092 2.27 304 205 94.7 141 100 0.59 1.6     1001 E 7.7   573 0.78 90   10.00     2 5 17   10 3044 10 2 833 0.0379     0.0038   40286 40299 30715 30713 30724   20356   20350       10062  
2020-04-13 11:50
 MDT
 K
 WS
 USGS-WRD
 27.0 2.4 -4.0     64 14 2.01 793 0.00002 7.8 7.9 3.1     4.12 331   239 114 11.3 33.0 0.79 17 9.19 30.5 263 0.69 23.8 5.4 8.2 0.996 0.87 11.9 31.1 780 45.7 0.107 2.88 307 194 98.4 141 91.7 0.61 1.8   0.6 1001 E 8.8   540 0.73 94   10.00     3 5 26   10 3044 10 2 788 0.0660     0.0042   40308 40299 30763 30713 30724   20356   20350       10062  
2020-05-05 12:15
 MDT
 K
 WS
 USGS-WRD
 29.0 8.1 17.0     100 14 2.29 607 0.00001 8.0 8.0 1.6     4.51 247   165 86.3 7.74 22.7 0.63 16 6.09 18.3 202 0.47 21.5 6.1 6.7 0.532 0.71 8.4 26.9 701 35.2 0.097 2.70 250 124 48.8 92 82.3 0.70 2.8   0.1 1001 E 9.0   415 0.56 88   10.00     3 5 24   10 3044 200 2 611 0.0618     0.0077   40308 40311 30763 30811 30724   20419   20350       10062  
2020-05-18 11:20
 MDT
 K
 WS
 USGS-WRD
 27.0 9.8 16.0     130 14 2.48 712 0.00001 7.9 8.0 2.1     4.65 312   226 111 8.44 27.0 0.67 15 7.48 19.1 258 0.56 20.7 5.3 6.3 0.737 0.79 8.3 22.4 482 20.2 0.048 1.79 206 130 51.7 84 86.1 0.76 3.7   0.5 1001 E 6.9   504 0.69 79   10.00     3 5 19   10 3044 10 2 721 0.0466     0.0098   40308 40311 30763 30811 30724   20419   20350       10063 20201000
2020-07-13 11:55
 MDT
 K
 WS
 USGS-WRD
 22.0 13.4 21.5     107 11 2.50 647 M  8.6 8.3 0.4     4.31 272   179 94.8 8.51 24.2 0.64 16 6.28 19.2 218 0.54 22.1 5.7 6.8 0.446 0.47 7.1 11.2 160 14.5 0.045 0.44 87.8 72.4 20.9 35 92.8 0.76 3.0   0.1 1001 < 2.0   450 0.61 95   10.00     3 5 3   10 3044 10 2 653 0.0088     0.0004   40312 40311 30763 30811 30831   20419   20350       10063 20201000
2020-08-17 12:00
 MDT
 K
 WS
 USGS-WRD
 17.0 17.2 33.5     42 8 2.02 1020 M  8.5 8.3 0.6     2.52 468   373 166 13.2 44.1 0.89 17 11.3 39.7 391 0.86 23.2 5.7 5.2 0.694 1.09 7.4 11.2 75.2 < 10.0 < 0.040 0.32 81.1 41.7 25.7 41 95.6 0.62 1.2   0.1 1001 < 2.0   747 1.02 81   10.00     3 5 3   10 3044 10 2 1030 0.0084     0.0016   40312 40311 30763 30811   30857 20419   20350       10063 20201000
2020-10-13 12:30
 MDT
 K
 WS
 USGS-WRD
 26.0 6.1 9.5     46 13 2.09 950 0.00001 8.2 8.2 1.2     2.05 415   312 146 12.2 35.5 0.76 15 8.86 29.1 356 0.87 19.8 4.4 4.3 0.699 0.59 5.9 9.0 87.3 6.9 0.033 0.43 64.2 38.6 49.4 56 103 0.64 1.3   0.2 1001 E 2.6   671 0.91 84   10.00     3 5 2   10 3045 10 2 932 0.0057     0.0009   40312 40311 30763 30811   30857 20419 20379 20398       10063 20201000
2021-03-22 12:30
 MDT
 K
 WS
 USGS-WRD
 25.0 3.3 4.5     89 12 2.34 1020 0.00001 8.1 7.9 1.4     4.27 455   361 163 11.5 39.4 0.80 15 11.9 28.6 398 1.01 21.9 5.4 6.7 0.923 0.83 11.1 25.6 455 50.3 0.149 2.51 333 245 98.1 126 94.0 0.71 2.5   0.1 1001 E 5.5   732 1.00 88   10.00     3 5 15   10 3044 10 2 998 0.0365     0.0044   40325 40327 30862 30870   30857 20451   20398       10063 20210000
2021-04-12 11:40
 MDT
 K
 WS
 USGS-WRD
 27.0 2.1 0.5     61 18 2.12 951 0.00001 8.0 8.0 1.8     2.98 418   325 149 11.1 36.9 0.78 16 9.89 26.3 344 0.91 21.5 4.2 5.0 0.978 0.69 7.4 19.1 378 13.5 0.060 1.58 293 233 93.7 108 93.0 0.65 1.7   0.3 1001 E 4.0   656 0.89 87   10.00     3 5 13   10 3044 10 2 948 0.0331     0.0044   40325 40327 30862 30870   30857 20480   20422       10063 20211000
2021-05-04 12:25
 MDT
 K
 WS
 USGS-WRD
 30.0 8.8 12.0     84 20 2.30 924 0.00001 8.3 8.0 0.9     3.50 418   331 153 8.77 33.8 0.72 15 9.18 21.8 377 0.87 19.7 4.2 5.6 0.921 0.73 7.1 21.8 458 11.0 0.048 1.84 275 189 55.3 90 87.6 0.70 2.4   0.2 1001 E 5.2   677 0.92 90   10.00     3 5 14   10 3044 10 2 930 0.0359     0.0037   40325 40327 30862 30870   30857 20480   20422       10067 20211000
2021-05-17 12:15
 MDT
 K
 WS
 USGS-WRD
 21.0 13.1 25.0     69 21 2.21 871 M  8.5 8.0 0.6     3.38 391   301 142 9.13 32.2 0.71 15 8.46 23.2 350 0.78 18.9 4.4 5.1 0.839 0.69 6.7 17.0 323 10.8 0.054 1.34 245 182 36.2 69 89.8 0.67 1.9   0.2 1001 E 3.0   638 0.87 87   10.00     3 5 12   10 3044 10 2 884 0.0311     0.0039   40325 40332 30862 30870   30857 20480   20422       10067 20211000
2021-06-07 11:45
 MDT
 K
 WS
 USGS-WRD
 23.0 12.1 15.0     56 12 2.21 813 M  8.5 8.1 0.5     3.13 350   263 126 8.29 28.7 0.67 15 7.71 22.6 308 0.74 16.6 4.4 5.1 0.704 0.64 6.2 13.7 175 11.5 0.053 0.88 149 112 31.0 50 87.0 0.67 1.6   0.3 1001 E 2.4   572 0.78 91   10.00     3 5 7   10 3044 10 2 821 0.0112     0.0010   40325 40332 30914 30870   30857 20480   20529       10067 20211000
2021-07-12 12:00
 MDT
 K
 WS
 USGS-WRD
 20.0 19.0 25.0     22 20 1.83 1010 M  8.8 8.4 0.3     2.56 430   345 154 11.0 42.1 0.88 17 10.0 41.0 360 0.94 18.7 5.7 6.1 0.788 0.67 6.8 10.4 70.6 7.2 0.072 0.40 85.3 53.9 17.2 26 84.9 0.56 0.63   0.2 1001 < 2.0   689 0.94 90   10.00     3 5 3   10 3044 10 2 1010 0.0040     0.0004   40336 40332 30914   30922 30857 20480   20529       10067 20211000
2021-08-16 11:45
 MDT
 K
 WS
 USGS-WRD
 20.0 18.7 31.0   1 21 12 1.79 1160 M  8.8 8.7 0.3       514   420 184 13.3 51.1 0.98 17 12.6 47.8 478 1.12 22.2 5.9 6.1 1.10 0.62 8.4 9.9 42.0 6.2 0.067 0.26 40.5 32.2 26.5 30 94.3 0.55 0.59   0.1 1001 < 2.0   866 1.18     10.00   200.0 3 5     10 3044 10 2 1170           40336 40332 30926 30870 30922 30878 20480 20468 20529     81818 10067 20211000
2021-10-12 12:15
 MST
 K
 WS
 USGS-WRD
 26.0 3.7 1.0   2 42 13 2.03 1340 M  8.5 8.2 0.5     1.78 657   563 244 11.8 50.1 0.85 14 14.4 30.8 480 0.97 18.9 3.8 3.9 1.30 0.78 4.7 6.9 34.7 < 5.0 0.031 0.19 17.6 14.2 37.6 42 93.5 0.62 1.2   0.2 1001 < 2.0   906 1.23 60   10.00   250.0 3 5 1   10 3044 10 2 1350 0.0025     0.0010   40336 40339 30926   30922 30857 20480 20468 20529       10067 20211000
2022-03-22 13:30
 MDT
 K
 WS
 USGS-WRD
 29.0 8.1 7.0   0.0 48 10 1.98 1020 0.00001 8.2 8.2 1.0     2.35 455   368 162 12.3 40.4 0.82 16 10.6 35.0 397 1.00 21.4 4.0 5.1 1.08 1.02 7.1 22.7 410 8.8 0.070 2.12 298 182 74.4 113 87.0 0.60 1.4   0.1 1001 E 4.0   732 1.00 86   10.00   200.0 3 5 14   10 3044 30 2 1030 0.0354     0.0049 1 40340 40339 30938   30939   20564   20489   31010   10072 20220000
2022-04-18 12:15
 MDT
 K
 WS
 USGS-WRD
 29.0 5.3 9.0   2 42 14 1.92 1230 M  8.4         2.46                                                         0.59 1.2   0.1 1001 E 4.2       92   10.00 15.0   3 5 10   10 3044 30 2   0.0228     0.0019 1 40340 40354 30938   30939   20564   20489   31010   10072  
2022-05-03 13:00
 MDT
 K
 WS
 USGS-WRD
 31.5 12.2 13.5   1 53 15 2.03 925 M  8.9         3.31                                                         0.62 1.5   0.1 1001 E 4.3       92   10.00 0.0   3 5 10   10 3044 30 2   0.0300     0.0025 1 40340 40354 30938   30939   20564   20489   31010   10075  
2022-05-24 13:15
 MDT
 K
 WS
 USGS-WRD
 25.0 12.6 12.0   1 52 10 2.02 904 M  9.0         3.14                                                         0.62 1.5   0.2 1001 < 2.0       48   10.00   120.0 3 5 12   10 3044 30 2   0.0306     0.0159   40360 40354 30938   30939   20564   20489   31010   10075  
2022-06-07 12:15
 MDT
 K
 WS
 USGS-WRD
 30.0 11.6 15.0   1 117 10 2.52 726 M  8.4         5.37                                                         0.77 3.3   0.2 1001 E 6.6       84   10.00   120.0 3 5 19   10 3044 30 2   0.0465     0.0073   40360 40357 30978   30939   20564   20489   31010   10075  
2022-07-12 13:15
 MDT
 K
 WS
 USGS-WRD
 30.0 22.3 32.0   1 35 12 1.96 865 M  8.9         3.15                                                         0.60 0.98   0.3 1001 E 2.3       73   10.00   10.0 3 5 2   10 3044 30 2   0.0049     0.0013   40363 40357 30978   30939   20582   20489   31010   10075  
2022-08-16 13:30
 MDT
 K
 WS
 USGS-WRD
 23.0 22.3       9.0 10 1.70 605 M  8.9         3.96                                                         0.52 0.25     1001 < 2.0       71   10.00   200.0 3 5 2   10 3044 20 2   0.0038     0.0011 1 40363 40357                     10075  
2022-10-04 12:15
 MDT
 K
 WS
 USGS-WRD
 31.8 12.5 20.0   0.0 29 10 2.00 822 M  8.8         2.73                                                         0.61 0.83     1001 < 2.0       94   10.00   5.0 3 5 2   10 3044 20 2   0.0032 0.0030 0.0002   1 40363 40368                     10075  
2023-03-21 13:15
 MDT
 K
 WS
 USGS-WRD
 22.5 0.7   631 1 40 10 1.90 628 0.00001 8.1 7.9 1.8 0.6 134 2.62 213 102   62.9 13.6 32.5 0.97 24 6.07 63.0 96.1 0.66 24.1 5.0 6.7 0.319 0.51 10.0 26.1 462 22.8 0.140 2.80 234 67.4 71.5 101   0.58 1.1 111   1001 E 7.6 7.2 366 0.50 83 M  10.00 25.0   3 5 15   10 3044   2 627 0.0424 0.0350 0.0074   1 40381 40382               20587     10079 20230000
2023-04-11 11:00
 MDT
 K
 WS
 USGS-WRD
 34.0 2.9   630 2 134 10 2.63 449 0.00002 7.8   1.7 0.1 65.5 8.46                                                         0.80 3.8 53.9   1001 42 44       0.0 10.00   75.0 3 5     10 3044   2           1 40375 40368               20621     10079  
2023-05-09 11:45
 MDT
 K
 WS
 USGS-WRD
 26.0 7.8   634 2 182 8 2.91 439 0.00001 8.0   1.2 0.1 73.5 8.26                                                         0.89 5.2 60.5   1001 15 12       M  10.00   100.0 3 5     10 3052   2           1 40375 40368               20643     10079  

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