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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 325231096312900 Lk Ray Hubbard nr Robertson Park nr Rowlett, TX

Dallas County, Texas
Hydrologic Unit Code 12030106
Latitude  32°52'30.76", Longitude  96°31'29.32" NAD83
Gage datum 435 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)		 Reser-
voir
eleva-
tion
above
datum,
feet
(00062)		 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)		 Trans-
parency
water,
in situ
Secchi
disc,
feet
(49701)


Zebra
mussel
larvae,
#/L
(94425)
2011-10-17 13:02
 CDT
 K
 WS
 USGS-WRD
 17.5 23.9   748     371 M  9.0 109 8.6    
2011-10-17 13:05
 CDT
 K
 WS
 USGS-WRD
 15.0 23.6   748     370 M  9.0 108 8.6    
2011-10-17 13:08
 CDT
 K
 WS
 USGS-WRD
 10.0 23.5   748     370 M  9.1 109 8.6    
2011-10-17 13:11
 CDT
 K
 WS
 USGS-WRD
 5.00 23.7   748     369 M  9.6 115 8.6    
2011-10-17 13:13
 CDT
 K
 WS
 USGS-WRD
 1.00 23.9 30.0 748 8.0   370 M  8.9 108 8.6 1.9 U 
2011-11-10 09:52
 CST
 K
 WS
 USGS-WRD
 12.0 15.7   760     401 0.00001 8.5 85 8.1    
2011-11-10 09:54
 CST
 K
 WS
 USGS-WRD
 5.00 15.8   760     402 0.00001 8.5 86 8.2    
2011-11-10 09:56
 CST
 K
 WS
 USGS-WRD
 1.00 15.9 17.0 760 8.0   401 0.00001 8.8 89 8.2 1.7 U 
2012-05-02 10:02
 CDT
 K
 WS
 USGS-WRD
 19.0 24.0   748     392 M  8.8 107 8.3    
2012-05-02 10:03
 CDT
 K
 WS
 USGS-WRD
 15.0 23.5   748     392 M  8.8 106 8.3    
2012-05-02 10:04
 CDT
 K
 WS
 USGS-WRD
 10.0 23.5   748     392 M  8.9 107 8.4    
2012-05-02 10:05
 CDT
 K
 WS
 USGS-WRD
 5.00 23.5   748     391 M  9.1 109 8.4    
2012-05-02 10:06
 CDT
 K
 WS
 USGS-WRD
 1.00 23.6 24.8 748 9.5 435.09 391 M  9.5 113 8.5 1.9 U 
2012-05-22 15:26
 CDT
 K
 WS
 USGS-WRD
 18.0 25.2   748     376 0.00001 7.8 96 7.9    
2012-05-22 15:27
 CDT
 K
 WS
 USGS-WRD
 15.0 25.2   748     375 0.00001 8.3 103 8.0    
2012-05-22 15:28
 CDT
 K
 WS
 USGS-WRD
 10.0 25.4   748     373 0.00001 9.8 122 8.3    
2012-05-22 15:29
 CDT
 K
 WS
 USGS-WRD
 5.00 25.9   748     371 M  11.6 145 8.6    
2012-05-22 15:30
 CDT
 K
 WS
 USGS-WRD
 1.00 26.7 31.2 748 3.0 434.82 370 M  12.7 161 8.7 1.9 U 
2012-09-27 14:52
 CDT
 K
 WS
 USGS-WRD
 18.0 25.7   753     342 0.00002 4.5 56 7.7    
2012-09-27 14:54
 CDT
 K
 WS
 USGS-WRD
 15.0 25.9   753     332 0.00001 5.8 72 7.9    
2012-09-27 14:57
 CDT
 K
 WS
 USGS-WRD
 10.0 26.0   753     331 0.00001 6.8 85 8.1    
2012-09-27 14:59
 CDT
 K
 WS
 USGS-WRD
 5.00 26.5   753     330 M  9.2 115 8.7    
2012-09-27 15:02
 CDT
 K
 WS
 USGS-WRD
 1.00 27.2 30.7 753 3.5 432.78 329 M  12.0 153 9.0 1.8 U 
2012-10-23 11:48
 CDT
 K
 WS
 USGS-WRD
 18.0 21.4   750     376 0.00001 8.5 97 8.3    
2012-10-23 11:49
 CDT
 K
 WS
 USGS-WRD
 15.0 21.4   750     376 M  8.5 98 8.3    
2012-10-23 11:50
 CDT
 K
 WS
 USGS-WRD
 10.0 21.5   750     376 M  8.7 100 8.4    
2012-10-23 11:52
 CDT
 K
 WS
 USGS-WRD
 5.00 21.5   750     376 M  9.0 103 8.4    
2012-10-23 11:55
 CDT
 K
 WS
 USGS-WRD
 1.00 21.6 23.7 750 10 432.48 375 M  9.2 105 8.4 1.9 U 
2012-11-13 10:00
 CST
 K
 WS
 USGS-WRD
 20.0 16.7   765     369 0.00001 7.9 81 8.2    
2012-11-13 10:01
 CST
 K
 WS
 USGS-WRD
 15.0 16.9   765     368 0.00001 8.1 83 8.3    
2012-11-13 10:02
 CST
 K
 WS
 USGS-WRD
 10.0 16.9   765     369 M  8.2 84 8.3    
2012-11-13 10:03
 CST
 K
 WS
 USGS-WRD
 5.00 16.9   765     369 M  8.2 85 8.3    
2012-11-13 10:04
 CST
 K
 WS
 USGS-WRD
 1.00 17.0 13.0 765 5.0 431.90 368 M  8.3 85 8.3 1.6 U 
2013-04-12 15:13
 CDT
 K
 WS
 USGS-WRD
 20.0 15.3   751     418 M  8.9 90 8.5    
2013-04-12 15:14
 CDT
 K
 WS
 USGS-WRD
 15.0 15.3   751     417 M  9.1 92 8.5    
2013-04-12 15:15
 CDT
 K
 WS
 USGS-WRD
 10.0 15.4   751     415 M  9.6 97 8.5    
2013-04-12 15:16
 CDT
 K
 WS
 USGS-WRD
 5.00 15.7   751     407 M  13.2 134 8.7    
2013-04-12 15:18
 CDT
 K
 WS
 USGS-WRD
 1.00 17.1 23.5 751 3.3 432.10 402 M  13.3 140 8.9   U 
2013-05-08 10:39
 CDT
 K
 WS
 USGS-WRD
 20.0 17.7   751     420 0.00009 3.7 39 7.1    
2013-05-08 10:40
 CDT
 K
 WS
 USGS-WRD
 15.0 18.0   751     410 0.00004 7.9 85 7.4    
2013-05-08 10:41
 CDT
 K
 WS
 USGS-WRD
 10.0 19.9   751     399 0.00001 11.5 128 7.9    
2013-05-08 10:42
 CDT
 K
 WS
 USGS-WRD
 5.00 20.5   751     397 0.00001 12.0 135 8.0    
2013-05-08 10:43
 CDT
 K
 WS
 USGS-WRD
 1.00 20.5 21.1 751 8.0 431.73 397 0.00001 12.1 136 8.2 2.8 U 
2013-06-04 12:50
 CDT
 K
 WS
 USGS-WRD
 21.0 24.4   748     396 0.00002 5.0 61 7.7    
2013-06-04 12:52
 CDT
 K
 WS
 USGS-WRD
 20.0 24.4   748     396 0.00002 4.9 60 7.7    
2013-06-04 12:54
 CDT
 K
 WS
 USGS-WRD
 15.0 24.4   748     397 0.00002 5.3 65 7.7    
2013-06-04 12:55
 CDT
 K
 WS
 USGS-WRD
 10.0 24.5   748     393 0.00002 5.7 69 7.8    
2013-06-04 12:57
 CDT
 K
 WS
 USGS-WRD
 5.00 24.6   748     390 0.00001 6.4 78 7.9    
2013-06-04 12:59
 CDT
 K
 WS
 USGS-WRD
 1.00 25.2 27.1 748 8.7 432.64 385 0.00001 8.5 105 8.3 1.6 U 
2013-08-20 11:24
 CDT
 K
 WS
 USGS-WRD
 10.0 27.9   752     343 0.00001 7.6 98 8.2    
2013-08-20 11:25
 CDT
 K
 WS
 USGS-WRD
 5.00 28.0   752     341 M  8.4 109 8.4    
2013-08-20 11:26
 CDT
 K
 WS
 USGS-WRD
 1.00 29.1 30.0 752 5.1 430.39 340 M  10.7 140 8.8 1.4 U 
2013-10-23 12:38
 CDT
 K
 WS
 USGS-WRD
 10.0 18.5   753     400 0.00002 3.9 42 7.7    
2013-10-23 12:40
 CDT
 K
 WS
 USGS-WRD
 5.00 19.2   753     376 M  10.1 110 8.4    
2013-10-23 12:42
 CDT
 K
 WS
 USGS-WRD
 1.00 19.9 22.7 753 3.0 428.65 373 M  13.1 145 9.0 1.6 U 
2013-11-13 12:24
 CST
 K
 WS
 USGS-WRD
 15.0 15.1   764     394 0.00001 9.4 93 8.3    
2013-11-13 12:25
 CST
 K
 WS
 USGS-WRD
 10.0 15.1   764     394 0.00001 9.2 91 8.3    
2013-11-13 12:26
 CST
 K
 WS
 USGS-WRD
 5.00 15.2   764     393 M  9.3 93 8.3    
2013-11-13 12:27
 CST
 K
 WS
 USGS-WRD
 1.00 15.8 11.8 764 2.7 428.76 393 M  9.6 96 8.4 1.4 U 
2014-05-02 09:20
 CDT
 K
 WS
 USGS-WRD
 7.00 19.4   751     492 0.00001 8.3 91 7.8    
2014-05-02 09:22
 CDT
 K
 WS
 USGS-WRD
 5.00 19.4   751     492 0.00001 8.3 91 7.9    
2014-05-02 09:24
 CDT
 K
 WS
 USGS-WRD
 1.00 19.5 18.5 751 2.0 427.72 492 0.00001 8.3 91 8.0 1.7 U 
2014-06-02 10:44
 CDT
 K
 WS
 USGS-WRD
 8.00 26.2   751     466 0.00001 7.7 97 8.2    
2014-06-02 10:45
 CDT
 K
 WS
 USGS-WRD
 5.00 26.2   751     465 0.00001 7.9 99 8.2    
2014-06-02 10:46
 CDT
 K
 WS
 USGS-WRD
 1.00 26.5 26.3 751 4.5 428.30 464 0.00001 8.5 108 8.3 2.0 U 
2014-07-02 12:14
 CDT
 K
 WS
 USGS-WRD
 10.0 28.0   753     432 M  8.0 103 8.3    
2014-07-02 12:15
 CDT
 K
 WS
 USGS-WRD
 5.00 28.2   753     429 M  9.3 120 8.6    
2014-07-02 12:16
 CDT
 K
 WS
 USGS-WRD
 1.00 28.2 27.6 753 6.5 427.63 428 M  9.5 123 8.6 1.9 U 
2015-04-15 10:38
 CDT
 K
 WS
 USGS-WRD
 13.0 19.3   750     538 0.00001 8.3 92 8.1    
2015-04-15 10:39
 CDT
 K
 WS
 USGS-WRD
 10.0 19.3   750     538 0.00001 8.3 92 8.2    
2015-04-15 10:40
 CDT
 K
 WS
 USGS-WRD
 5.00 19.4   750     537 0.00001 8.3 92 8.2    
2015-04-15 10:41
 CDT
 K
 WS
 USGS-WRD
 1.00 19.4 16.3 750 4.4 430.32 537 0.00001 8.4 93 8.2 2.2 U 

Water Quality Remark Code Description
M Presence verified but not quantified
U Analyzed for but not detected