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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 April 20, 2023: The entity that had been funding these stations needs to discontinue that funding as soon as possible. These gages will be discontinued on June 1, 2023 if alternative funding can not be secured:
  • 09209400 Green River Near LA Barge, WY
  • 09213500 Big Sandy River Near Farson, WY
  • 09218500 Blacks Fork Near Millburne, 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)



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)
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)

Gage
height
above
datum
meters
(30207)

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)
2018-12-10 13:10
 MST
 K
 WS
 USGS-WRD
 3.6 5.5 629 498   453 0.00001 13.3 122 8.2 0.42 0.32 0.01 0.002 0.085 0.34 0.087 0.049 0.03 0.016   14 0.019 0.374 0.007 10.00 40 3044 1
2019-03-19 13:20
 MDT
 K
 WS
 USGS-WRD
 3.1 3.0 633   1.82 464 0.00001 12.6 113 8.2 0.45 0.30 0.06 0.003 0.085 0.36 0.087 0.088 0.03 0.029 0.55   0.071 0.375 0.009 10.00 70 3071 10
2019-05-09 13:15
 MDT
 K
 WS
 USGS-WRD
 6.0 1.0 627     450 M  11.6 113 8.6 < 0.44 < 0.40 < 0.01 < 0.001 < 0.040 0.40 < 0.040 0.019 0.02 0.006     < 0.013 < 0.177 < 0.003 10.00 70 3071 1
2019-07-17 12:30
 MDT
 K
 WS
 USGS-WRD
 12.6 30.0 627 30000 4.60 432 0.00001 10.8 124 8.3 < 0.38 0.33 0.02 < 0.001 < 0.040 0.34 < 0.040 0.040 0.02 0.013 1.40 850 0.023 < 0.177 < 0.003 10.00 40 3044 1

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