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Water Quality Samples for Wyoming

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Questions or concerns about USGS data and data products in Wyoming and Montana can be directed to the Wyoming-Montana Water Science Center Data Management Section.

UPDATED July 25, 2022: Funding has been provided to continue operating the following stations through the end of this water year, but they are scheduled to be discontinued on September 30, 2022 if alternative funding can not be secured:
  • 06278300 Shell Creek above Shell Creek Reservoir
  • 06280300 South Fork Shosone River near Valley, WY
The following stations are part of a short-term project and are scheduled to be discontinued on September 30, 2022 if alternative funding can not be secured.
  • 13012465 Liedy Creek at mouth, near Moran, WY
  • 13012475 South Fork Spread Creek at mouth, near Moran, WY

Please contact the Wyoming-Montana Science Center for more information.

To view additional data-quality attributes, output the results using these options: one result per row, expanded attributes.
Additional precautions are here.


USGS 06641000 NORTH PLATTE RIVER BELOW PATHFINDER RESERVOIR, WY

Natrona County, Wyoming
Hydrologic Unit Code 10180003
Latitude  42°27'54", Longitude 106°50'47" NAD27
Drainage area 14,661  square miles
Contributing drainage area 10,011  square miles
Gage datum 5,670 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)

Total
nitro-
gen,
water,
unfltrd
mg/L
(00600)

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)
Ammonia
+
org-N,
water,
unfltrd
mg/L
as N
(00625)
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)
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)
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)



Ammonia
water,
fltrd,
mg/L
(71846)



Nitrate
water,
fltrd,
mg/L
(71851)


Nitrite
water,
fltrd,
mg/L
as NO2
(71856)




Sample
purpose
code
(71999)



Sam-
pling
method,
code
(82398)




Sampler
type,
code
(84164)
Specif.
conduc-
tance,
wat unf
lab,
uS/cm @
25 degC
(90095)
Type
of
sample
related
QA
data,
code
(99111)
2019-12-05 12:10
MST
K
WS
USGS-WRD
2.8 4.0 618 74   411 M  12.4 113 8.7 8.4 0.4 < 0.36 < 0.33 < 0.01 < 0.001 < 0.040 0.33 < 0.040 < 0.012 0.02 < 0.004 165 45 43.8 13.4 23.5 0.80 23 2.61 6.58 82.8 0.34 8.19 120   2.1 253 50.4 0.34 < 0.013 < 0.177 < 0.003 10.00 10 3044 419 1
2020-02-26 11:30
MST
K
WS
USGS-WRD
2.7 -3.0 624 74   440 0.00001 15.5 140 8.2 8.3 1.7 0.71 0.40 0.25 0.003 0.061 0.65 0.064 0.382 0.15 0.124 182 42 48.7 14.6 25.9 0.84 23 3.02 7.57 83.9 0.38 13.2 140   2.1 282 56.0 0.38 0.321 0.271 0.011 10.00 10 3044 453 30
2020-06-17 10:45
MDT
K
WS
USGS-WRD
11.8 20.0 617 1510 3.78 408 0.00001 10.4 119 8.2 8.3 1.5 < 0.38 0.31 0.03 0.003 < 0.037 0.34 < 0.040 0.015 0.02 0.005 172 49 46.1 14.0 23.7 0.79 23 2.50 5.98 81.4 0.32 11.0 123 1.15 43 259 1060 0.35 0.036 < 0.164 0.010 10.00 10 3052 413 1
2020-08-20 13:10
MDT
K
WS
USGS-WRD
17.6 31.5 620 77   402 M  11.0 142 8.4 8.4 0.9 0.54 0.38 0.02 0.002 0.143 0.40 0.145 0.133 0.07 0.043 166 50 43.8 13.8 22.6 0.76 23 2.52 5.85 80.0 0.33 13.7 116   2.2 253 52.5 0.34 0.023 0.635 0.006 10.00 10 3044 405 1
2020-12-03 10:55
MST
K
WS
USGS-WRD
1.8 -4.5 626 650   408 M  13.3 116 8.4 8.4 1.0 < 0.39 < 0.35 < 0.02 < 0.001 < 0.040 0.35 < 0.040 < 0.012 0.02 < 0.004 173 46 45.9 14.2 23.9 0.79 23 2.59 6.18 83.5 0.38 8.36 126   18 261 458 0.35 < 0.026 < 0.177 < 0.003 10.00 70 3071 425 1
2021-03-09 10:20
MST
K
WS
USGS-WRD
3.8 12.0 616 80   457 0.00001 14.0 132 8.0 8.4 2.8 < 0.57 0.38 0.15 0.002 < 0.038 0.53 < 0.040 0.201 0.08 0.065 190 48 50.7 15.4 26.6 0.84 23 3.00 7.64 88.5 0.39 12.3 142   2.3 290 62.9 0.39 0.190 < 0.170 0.006 10.00 10 3044 461 30
2021-06-10 12:50
MDT
K
WS
USGS-WRD
13.1 32.0 616 80   413 0.00001 13.3 157 8.2 8.2 1.6 < 0.59 < 0.55 < 0.02 < 0.001 < 0.040 0.55 < 0.040 0.020 0.06 0.007 175 44 46.2 14.4 24.0 0.79 23 2.56 6.22 84.6 0.36 10.4 130   2.3 267 57.9 0.36 < 0.026 < 0.177 < 0.003 10.00 10 3044 431 1
2021-08-05 12:00
MDT
K
WS
USGS-WRD
15.6 33.0 623 109   410 M  12.3 152 8.4 8.5 0.9 0.44 < 0.33 < 0.02 < 0.001 0.115 0.33 0.115 0.105 0.04 0.034 177 53 47.1 14.5 24.3 0.79 23 2.34 6.42 89.8 0.36 12.7 124   3.1 272 80.2 0.37 < 0.026 0.510 < 0.003 10.00 10 3044 427 1
2021-10-21 11:35
MDT
K
WS
USGS-WRD
11.3 15.6 624 86   423 M  11.4 127 8.5 8.6 0.8 < 0.40 < 0.36 < 0.02 0.003 < 0.037 0.36 < 0.040 0.029 0.02 0.010 174 47 46.3 14.2 24.9 0.82 23 2.61 6.65 89.5 0.36 11.9 127   2.4 273 63.1 0.37 < 0.026 < 0.163 0.010 10.00 10 3044 436 1
2022-03-17 12:05
MDT
K
WS
USGS-WRD
4.0 6.0 621 68   466 0.00001 11.6 109 8.2 8.2 1.7 0.80 0.44 0.31 0.003 0.055 0.74 0.058 0.510 0.20 0.166 189 46 50.3 15.5 26.4 0.84 23 3.02 7.86 90.9 0.39 14.7 143   1.9 296 54.8 0.40 0.396 0.245 0.009 10.00 10 3044 479 1
2022-05-25 14:25
MDT
K
WS
USGS-WRD
11.6 17.5 619 79   445 M  8.3 94 8.6                                                     2.2             10.00 10 3044   100

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