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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 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)
2017-11-30 13:15
MST
K
WS
USGS-WRD
6.0 11.0 628 E 501   444 M  12.5 122 8.5 0.50 0.36 0.02 < 0.001 0.132 0.37 0.132 0.082 0.03 0.027   E 14 0.020 0.584 < 0.003 10.00 40 3044 10
2018-03-12 13:50
MDT
K
WS
USGS-WRD
3.8 12.0 630 E 500   434 M  13.7 126 8.5 < 0.41 < 0.37 < 0.01 < 0.001 < 0.040 0.37 < 0.040 0.013 0.02 0.004   E 14 < 0.013 < 0.177 < 0.003 10.00 40 3044 1
2018-05-24 13:15
MDT
K
WS
USGS-WRD
8.8 25.0 628 E 2500 1.41 421 0.00001 12.2 128 8.2 < 0.38 0.32 0.02 < 0.001 < 0.040 0.34 < 0.040 0.016 < 0.01 0.005 0.43 E 71 0.025 < 0.177 < 0.003 10.00 70 3071 1
2018-08-20 13:30
MDT
K
WS
USGS-WRD
16.1 25.0 629 E 1120   423 0.00001 8.4 104 8.3 0.45 < 0.35 < 0.01 0.004 0.096 0.35 0.101 0.106 0.05 0.035   E 32 < 0.013 0.426 0.014 10.00 70 3071 10

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