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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 06642000 NORTH PLATTE RIVER AT ALCOVA, WY

Natrona County, Wyoming
Hydrologic Unit Code 10180007
Latitude  42°34'27", Longitude 106°41'31" NAD27
Drainage area 10,812  square miles
Contributing drainage area 10,112  square miles
Gage datum 5,299.4 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)		 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)
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)

Dis-
charge,
instan-
taneous
m3/s
(30209)


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)		 Type
of
sample
related
QA
data,
code
(99111)
2019-12-05 13:15
 MST
 K
 WS
 USGS-WRD
 3.8 2.0 626 506 446 M  12.5 116 8.7 < 0.37 < 0.33 < 0.01 < 0.001 < 0.040 0.33 < 0.040 < 0.012 0.01 < 0.004 14 < 0.013 < 0.177 < 0.003 10.00 40 3044 30
2020-02-26 12:50
 MST
 K
 WS
 USGS-WRD
 1.2 1.0 632 503 455 0.00001 14.5 124 8.1 0.47 0.32 0.10 0.002 0.052 0.42 0.054 0.099 0.04 0.032 14 0.130 0.230 0.005 10.00 70 3071 10
2020-06-17 14:15
 MDT
 K
 WS
 USGS-WRD
 11.8 19.9 626 3600 411 0.00001 11.2 126 8.2 < 0.36 0.30 0.02 0.003 < 0.037 0.32 < 0.040 0.016 0.02 0.005 102 0.024 < 0.165 0.009 10.00 70 3071 1
2020-08-20 14:30
 MDT
 K
 WS
 USGS-WRD
 17.6 32.5 628 1500 422 0.00001 10.8 138 8.3 0.39 < 0.31 < 0.01 0.001 0.080 0.31 0.081 0.066 0.03 0.021 42 < 0.013 0.355 0.003 10.00 30 3044 1
2020-12-03 12:15
 MST
 K
 WS
 USGS-WRD
 2.9 -0.9   586 452 M  12.9   8.5 < 0.38 < 0.34 < 0.02 < 0.001 < 0.040 0.34 < 0.040 < 0.012 0.01 < 0.004 17 < 0.026 < 0.177 < 0.003 10.00 40 3044 30
2021-03-09 11:45
 MST
 K
 WS
 USGS-WRD
 4.0 14.5 624 452 458 0.00001 12.6 117 7.9 < 0.11 < 0.07 < 0.02 < 0.001 < 0.040 < 0.07 < 0.040 < 0.012 < 0.01 < 0.004 13 < 0.026 < 0.177 < 0.003 10.00 40 3044 10
2021-06-10 14:15
 MDT
 K
 WS
 USGS-WRD
 10.1 35.0 622 1500 430 0.00001 13.8 150 8.0 < 0.37 < 0.33 < 0.02 < 0.001 < 0.040 0.33 < 0.040 0.022 0.02 0.007 42 < 0.026 < 0.177 < 0.003 10.00 40 3044 1
2021-08-10 12:30
 MDT
 K
 WS
 USGS-WRD
 14.9 28.0 629 2110 422 0.00001 10.4 125 7.9 0.31 < 0.27 < 0.02 0.001 0.042 0.27 0.043 0.047 0.02 0.015 60 < 0.026 0.186 0.004 10.00 40 3044 1
2021-10-21 13:10
 MDT
 K
 WS
 USGS-WRD
 13.0 16.4 632 450 453 M  13.2 151 8.5 0.40 < 0.34 < 0.02 0.005 0.051 0.34 0.055 0.059 0.03 0.019 13 < 0.026 0.224 0.015 10.00 40 3044 1
2022-03-17 13:35
 MDT
 K
 WS
 USGS-WRD
 4.0 3.5 629 448 462 M  11.6 107 8.5 < 0.33 < 0.29 < 0.02 < 0.001 < 0.040 0.29 < 0.040 0.021 0.02 0.007 13 < 0.026 < 0.177 < 0.003 10.00 40 3044 1
2022-05-26 13:50
 MDT
 K
 WS
 USGS-WRD
 11.5 26.5 627 505 466 M  11.5 128 8.5                     14       10.00 40 3044 1

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