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Water Quality Samples for the Nation

! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 331902096282201 Sister Grove Ck at CR 476 Valdasta, TX

Collin County, Texas
Hydrologic Unit Code 12030106
Latitude  33°19'02.50", Longitude  96°28'22.30" NAD83
Gage datum 561 feet above NAVD88
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
 



Sam-
pling
depth,
feet
(00003)



Temper-
ature,
water,
deg C
(00010)



Temper-
ature,
air,
deg C
(00020)


Baro-
metric
pres-
sure,
mm Hg
(00025)




Wind
speed,
mi/h
(00035)
Wind
direc-
tion,
clkwise
from
north,
degrees
(00036)
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)




Sample
volume,
liters
(32000)




Sample
purpose
code
(71999)



Sam-
pling
method,
code
(82398)




Sampler
type,
code
(84164)



Zebra
mussel
adults,
#/m2
(94424)



Zebra
mussel
larvae,
#/L
(94425)
Zebra
mussel
rDNA
ITS 2
gene,
water,
cp/L
(94428)
Type
of
sample
related
QA
data,
code
(99111)
2011-07-13 10:20
CDT
K
WS
USGS-WRD
1.00 26.8 33.3 752     512 0.00004 2.1 27 7.4                
2012-04-02 14:12
CDT
K
WS
USGS-WRD
  21.1 31.7 740     517 0.00002 7.8 90 7.8           U     
2012-05-01 12:42
CDT
K
WS
USGS-WRD
  22.2 27.2 746     566 0.00001 7.2 84 7.9           U     
2012-05-21 13:50
CDT
K
WS
USGS-WRD
  21.2 31.1 754     547 0.00002 6.8 77 7.7           U     
2012-06-11 12:12
CDT
K
WS
USGS-WRD
  24.1   749     524 0.00003 5.4 65 7.6           U     
2012-07-02 08:34
CDT
K
WS
USGS-WRD
  24.7 27.8 751     532 0.00004 2.6 32 7.4           U     
2013-04-09 13:31
CDT
K
WS
USGS-WRD
1.20 20.7 29.0 741     506 0.00001 10.4 119 8.1           U     
2013-04-30 12:50
CDT
K
WS
USGS-WRD
1.00 20.0 25.9 746     571 0.00002 7.5 84 7.7           U     
2013-06-05 13:28
CDT
K
WS
USGS-WRD
1.00 24.2 34.3 746     543   5.3 65             U     
2013-07-02 11:46
CDT
K
WS
USGS-WRD
1.00 21.9 28.8 750     511 0.00003 2.5 29 7.5                
2014-04-16 11:35
CDT
K
WS
USGS-WRD
1.00 12.4 15.7 749     564 0.00001 9.8 94 8.0           U     
2014-05-06 13:40
CDT
K
WS
USGS-WRD
1.00 20.1 26.8 742 5.0   664 0.00002 4.3 49 7.6           U     
2014-06-09 16:05
CDT
K
WS
USGS-WRD
1.00 22.2 25.8 741 2.5   517 0.00003 4.5 53 7.6           U     
2014-07-07 11:20
CDT
K
WS
USGS-WRD
1.00 24.8 32.5 747 2.1   622 0.00002 2.1 26 7.7           U     
2015-04-28 11:33
CDT
K
WS
USGS-WRD
1.00 16.8 11.8 769 2.0   386 0.00001 8.8 90 7.8           U     
2015-06-19 12:35
CDT
K
WS
USGS-WRD
0.50 24.5 35.5 770 < 1.0   350 0.00002 7.4 88 7.7           U     
2016-04-26 12:41
CST
K
WS
USGS-WRD
1.00 21.5 26.4 744 1.9 171 452 0.00002 7.7 89 7.7 1000 10.00 50 4030   U    1
2016-06-15 12:08
CDT
K
WS
USGS-WRD
1.00 24.8 30.7 749 < 1.0   491 0.00002 7.0 86 7.8 1000 10.00 50 4030   U    1
2017-04-26 12:48
CDT
K
WS
USGS-WRD
1.00 19.7 14.7 733 1.8 222 451 0.00003 6.8 77 7.6 1000         U    1
2017-06-28 13:00
CDT
K
WS
USGS-WRD
1.00 24.7 33.8 761 2.4 200 673 0.00003 5.3 64 7.5 1000         U    1
2018-04-26 13:20
CDT
K
WS
USGS-WRD
1.00 15.3 23.0 748 2.5 218 544 0.00001 10.5 107 8.0 1000         U    1
2018-06-11 12:50
CDT
K
WS
USGS-WRD
1.00 26.2 33.2 747 1.0 286 559 0.00001 5.8 73 8.0 1000         U  U  1
2019-04-29 14:00
CDT
K
WS
USGS-WRD
1.00 20.5 27.6 751 3.9 240 509 0.00002 8.2 92 7.7 1000         U    1
2019-06-05 12:58
CDT
K
WS
USGS-WRD
1.00 23.9 27.2 750 < 1.0   449 0.00002 7.5 90 7.7 1000       U  U    1
2020-04-27 12:37
CDT
K
WS
USGS-WRD
1.00 18.2 27.8 753 2.4 128 533 0.00001 9.1 97 7.9 1000         U    1
2020-06-04 12:29
CDT
K
WS
USGS-WRD
1.00 24.5 37.5 752 < 1.0   506 0.00001 7.3 89 7.9 1000       U  U    1

Water Quality Remark Code Description
< Less than
U Analyzed for but not detected