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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.


! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 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)
2017-10-25 13:45
 MDT
 K
 WS
 USGS-WRD
 10.8 21.0 618 E 71 0.90 408 M  12.6 140 8.6 8.6 0.6 0.43 0.35 0.01 0.003 0.072 0.36 0.075 0.038 0.03 0.012 165 40 44.2 13.2 25.4 0.86 25 3.03 6.49 80.2 0.30 11.4 125 0.27 E 2.0 259 E 49.4 0.35 0.017 0.320 0.009 10.00 10 3044 416 1
2017-11-29 12:20
 MST
 K
 WS
 USGS-WRD
 5.4 9.0 620 E 71 0.90 409 M  13.8 134 8.8 8.6 0.4 < 0.41 0.36 0.01 0.001 < 0.039 0.37 < 0.040 < 0.012 0.04 < 0.004 169 43 45.4 13.5 25.9 0.87 25 3.09 6.67 82.8 0.32 8.78 125 0.27 E 2.0 262 E 49.9 0.36 0.013 < 0.172 0.004 10.00 10 3044 419 1
2017-12-18 13:00
 MST
 K
 WS
 USGS-WRD
 2.3 2.0 616 E 69 0.89 413 M  13.4 121 8.7 8.5 0.5 < 0.47 < 0.43 < 0.01 0.001 < 0.039 0.43 < 0.040 < 0.012 0.02 < 0.004 163 38 43.4 13.3 25.3 0.86 25 3.10 6.47 81.7 0.32 6.83 126 0.27 E 2.0 256 E 47.6 0.35 < 0.013 < 0.173 0.003 10.00 10 3044 418 30
2018-01-18 12:50
 MST
 K
 WS
 USGS-WRD
 3.0 4.0 618 E 72 0.91 440 M  13.1 120 8.4 8.3 1.0 0.62 0.38 0.12 0.003 0.123 0.50 0.127 0.068 0.04 0.022 176 40 48.5 13.4 27.7 0.91 25 3.54 8.10 81.8 0.34 12.8 137 0.28 E 2.0 279 E 54.4 0.38 0.149 0.546 0.010 10.00 10 3044 446 1
2018-02-22 13:40
 MST
 K
 WS
 USGS-WRD
 3.3 -5.0 615 E 75 0.91 425 M  13.9 129 8.4 8.2 1.0 0.55 0.40 0.10 0.002 0.050 0.50 0.052 0.070 0.04 0.023 175 44 47.5 13.8 27.2 0.90 25 3.28 7.24 81.9 0.34 9.55 132 0.28 E 2.1 270 E 55.0 0.37 0.129 0.219 0.006 10.00 10 3044 435 10
2018-03-12 12:15
 MDT
 K
 WS
 USGS-WRD
 3.9 12.0 622 E 74 0.90 428 0.00001 12.6 118 8.3 8.3 1.3 0.56 0.37 0.14 0.002 0.052 0.51 0.054 0.095 0.05 0.031 172 40 46.7 13.5 27.4 0.91 25 3.11 7.09 81.7 0.32 9.26 133 0.27 E 2.1 269 E 53.6 0.37 0.180 0.229 0.007 10.00 10 3044 437 1
2018-04-17 11:50
 MDT
 K
 WS
 USGS-WRD
 5.0 10.0 609 E 74 0.91 414 M  11.6 114 8.6 8.3 0.6 < 0.51 < 0.47 < 0.01 < 0.001 < 0.040 0.47 < 0.040 0.015 0.02 0.005 169 41 44.6 14.0 25.8 0.86 25 2.87 6.64 81.6 0.32 7.79 128 0.28 E 2.1 261 E 52.3 0.35 < 0.013 < 0.177 < 0.003 10.00 10 3044 427 1
2018-05-24 10:10
 MDT
 K
 WS
 USGS-WRD
 9.1 18.0 620 E 130 1.20 413 0.00001 11.5 123 8.3 8.3 1.2 < 0.38 0.33 0.01 < 0.001 < 0.040 0.34 < 0.040 0.013 < 0.01 0.004 166 41 43.8 13.7 24.9 0.84 24 2.64 6.38 82.9 0.33 8.24 125 0.37 E 3.7 258 E 90.4 0.35 0.019 < 0.177 < 0.003 10.00 10 3044 420 1
2018-06-25 11:30
 MDT
 K
 WS
 USGS-WRD
 11.7 24.0 620 608 2.53 414 0.00001 10.5 119 8.2 8.3 1.5 < 0.45 0.36 0.05 0.006 < 0.034 0.41 < 0.040 0.028 0.02 0.009 167 45 44.5 13.6 24.7 0.83 24 2.67 6.34 82.8 0.32 9.37 122 0.77 17 258 423 0.35 0.070 < 0.150 0.020 10.00 10 3044 425 1
2018-07-24 10:15
 MDT
 K
 WS
 USGS-WRD
 14.2 29.0 625 E 691 2.69 410 0.00001 9.9 118 8.1 8.2 1.9 0.45 0.33 0.04 0.001 0.085 0.37 0.086 0.103 0.04 0.034 169 46 44.7 13.9 23.9 0.80 23 2.60 6.27 83.2 0.34 10.5 123 0.82 E 20 260 E 484 0.35 0.052 0.376 0.004 10.00 10 3052 421 1

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