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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 325230096304200 Lk Ray Hubbard nr Bayview Marina E nr Rowlett, TX

Rockwall County, Texas
Hydrologic Unit Code 12030106
Latitude  32°52'29.6", Longitude  96°30'41.87" 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
adults,
#/m2
(94424)


Zebra
mussel
larvae,
#/L
(94425)		 Type
of
sample
related
QA
data,
code
(99111)
2011-11-10 09:19
 CST
 K
 WS
 USGS-WRD
 6.00 15.7   760     398 0.00001 8.8 89 8.0        
2011-11-10 09:22
 CST
 K
 WS
 USGS-WRD
 1.00 15.7 16.5 760 < 2.0   398 0.00001 8.8 89 8.1 2.1   U   
2012-05-22 15:55
 CDT
 K
 WS
 USGS-WRD
 26.0 23.9   748     405 0.00005 1.7 21 7.3        
2012-05-22 15:57
 CDT
 K
 WS
 USGS-WRD
 20.0 24.1   748     402 0.00005 2.7 33 7.3        
2012-05-22 15:58
 CDT
 K
 WS
 USGS-WRD
 15.0 24.2   748     392 0.00003 5.4 66 7.6        
2012-05-22 15:59
 CDT
 K
 WS
 USGS-WRD
 10.0 24.4   748     389 0.00001 7.3 88 7.9        
2012-05-22 16:00
 CDT
 K
 WS
 USGS-WRD
 5.00 24.8   748     388 0.00001 8.0 98 8.1        
2012-05-22 16:02
 CDT
 K
 WS
 USGS-WRD
 1.00 26.6 30.9 748 2.7 434.82 382 0.00001 9.2 117 8.2 3.2      
2012-10-23 12:11
 CDT
 K
 WS
 USGS-WRD
 25.0 21.2   750     359 0.00001 8.7 100 8.3        
2012-10-23 12:13
 CDT
 K
 WS
 USGS-WRD
 20.0 21.2   750     359 M  9.0 103 8.3        
2012-10-23 12:15
 CDT
 K
 WS
 USGS-WRD
 15.0 21.2   750     359 M  9.2 105 8.4        
2012-10-23 12:16
 CDT
 K
 WS
 USGS-WRD
 10.0 21.2   750     358 M  9.2 106 8.4        
2012-10-23 12:18
 CDT
 K
 WS
 USGS-WRD
 5.00 21.3   750     358 M  9.7 111 8.5        
2012-10-23 12:20
 CDT
 K
 WS
 USGS-WRD
 1.00 21.4 26.1 750 1.5 432.48 358 M  9.8 112 8.5 2.7      
2012-11-13 10:25
 CST
 K
 WS
 USGS-WRD
 23.0 16.8   765     363 M  8.6 88 8.4        
2012-11-13 10:26
 CST
 K
 WS
 USGS-WRD
 20.0 16.9   765     363 M  8.6 88 8.5        
2012-11-13 10:27
 CST
 K
 WS
 USGS-WRD
 15.0 17.0   765     363 M  8.8 91 8.5        
2012-11-13 10:28
 CST
 K
 WS
 USGS-WRD
 10.0 17.0   765     363 M  8.9 92 8.5        
2012-11-13 10:29
 CST
 K
 WS
 USGS-WRD
 5.00 17.0   765     363 M  9.0 93 8.5        
2012-11-13 10:30
 CST
 K
 WS
 USGS-WRD
 1.00 16.9 12.1 765 7.0 431.90 363 M  9.1 94 8.5 1.5      
2013-04-12 14:51
 CDT
 K
 WS
 USGS-WRD
 25.0 15.2   752     458 0.00001 3.0 30 8.1        
2013-04-12 14:52
 CDT
 K
 WS
 USGS-WRD
 20.0 15.2   752     413 0.00001 6.0 60 8.2        
2013-04-12 14:53
 CDT
 K
 WS
 USGS-WRD
 15.0 15.2   752     411 M  8.0 81 8.3        
2013-04-12 14:54
 CDT
 K
 WS
 USGS-WRD
 10.0 15.5   752     404 M  10.1 102 8.5        
2013-04-12 14:55
 CDT
 K
 WS
 USGS-WRD
 5.00 16.1   752     399 M  12.7 130 8.7        
2013-04-12 14:56
 CDT
 K
 WS
 USGS-WRD
 1.00 17.1 21.4 752 2.1 432.10 400 M  12.8 134 8.7 3.5      
2013-05-08 11:11
 CDT
 K
 WS
 USGS-WRD
 23.0 17.4   751     412 0.00004 6.9 73 7.4        
2013-05-08 11:12
 CDT
 K
 WS
 USGS-WRD
 20.0 17.4   751     411 0.00004 6.8 72 7.4        
2013-05-08 11:13
 CDT
 K
 WS
 USGS-WRD
 15.0 17.5   751     410 0.00003 7.2 77 7.5        
2013-05-08 11:14
 CDT
 K
 WS
 USGS-WRD
 10.0 18.8   751     411 0.00003 7.9 86 7.6        
2013-05-08 11:15
 CDT
 K
 WS
 USGS-WRD
 5.00 20.2   751     404 0.00001 10.2 114 7.9        
2013-05-08 11:16
 CDT
 K
 WS
 USGS-WRD
 1.00 20.6 25.4 751 2.3 431.73 404 0.00001 11.2 126 8.2 3.7   U   
2013-08-20 11:55
 CDT
 K
 WS
 USGS-WRD
 20.0 28.2   752     354 0.00003 3.9 51 7.6        
2013-08-20 11:56
 CDT
 K
 WS
 USGS-WRD
 15.0 28.6   752     340 0.00001 7.1 93 8.0        
2013-08-20 11:58
 CDT
 K
 WS
 USGS-WRD
 10.0 28.8   752     337 0.00001 8.7 115 8.2        
2013-08-20 12:00
 CDT
 K
 WS
 USGS-WRD
 5.00 28.9   752     335 M  10.0 132 8.5        
2013-08-20 12:01
 CDT
 K
 WS
 USGS-WRD
 1.00 29.3 30.7 752 2.0 430.39 334 M  12.6 167 8.8 1.8      
2013-10-23 12:05
 CDT
 K
 WS
 USGS-WRD
 21.0 18.9   753     375 0.00002 6.2 67 7.8        
2013-10-23 12:07
 CDT
 K
 WS
 USGS-WRD
 15.0 18.9   753     375 0.00001 6.6 71 7.8        
2013-10-23 12:09
 CDT
 K
 WS
 USGS-WRD
 10.0 18.9   753     375 0.00001 6.4 70 7.9        
2013-10-23 12:11
 CDT
 K
 WS
 USGS-WRD
 5.00 19.0   753     375 0.00001 6.6 72 7.9        
2013-10-23 12:13
 CDT
 K
 WS
 USGS-WRD
 1.00 22.0 23.8 753 1.4 428.65 374 0.00001 7.3 84 8.0 2.2      
2013-11-13 11:16
 CST
 K
 WS
 USGS-WRD
 20.0 15.1   763     386 0.00001 8.8 87 8.2        
2013-11-13 11:17
 CST
 K
 WS
 USGS-WRD
 15.0 15.2   763     386 0.00001 9.1 91 8.3        
2013-11-13 11:18
 CST
 K
 WS
 USGS-WRD
 10.0 15.3   763     386 0.00001 9.1 90 8.3        
2013-11-13 11:19
 CST
 K
 WS
 USGS-WRD
 5.00 15.3   763     386 M  9.3 93 8.3        
2013-11-13 11:20
 CST
 K
 WS
 USGS-WRD
 1.00 15.4 9.6 763 1.2 428.76 386 M  9.4 94 8.4 1.8      
2014-04-29 12:01
 CDT
 K
 WS
 USGS-WRD
 20.0 20.3   745     484 0.00001 7.5 84 8.0        
2014-04-29 12:02
 CDT
 K
 WS
 USGS-WRD
 15.0 20.3   745     484 0.00001 7.7 87 8.1        
2014-04-29 12:03
 CDT
 K
 WS
 USGS-WRD
 10.0 20.4   745     484 0.00001 7.7 87 8.1        
2014-04-29 12:04
 CDT
 K
 WS
 USGS-WRD
 5.00 20.4   745     484 0.00001 7.7 87 8.1        
2014-04-29 12:05
 CDT
 K
 WS
 USGS-WRD
 1.00 20.4 22.0 745 9.0 427.90 483 0.00001 7.8 89 8.1 3.0      
2014-06-02 10:15
 CDT
 K
 WS
 USGS-WRD
 20.0 25.7   751     470 0.00001 8.3 103 8.2        
2014-06-02 10:16
 CDT
 K
 WS
 USGS-WRD
 15.0 25.8   751     470 0.00001 8.4 105 8.2        
2014-06-02 10:17
 CDT
 K
 WS
 USGS-WRD
 10.0 25.8   751     470 0.00001 8.5 106 8.3        
2014-06-02 10:18
 CDT
 K
 WS
 USGS-WRD
 5.00 25.9   751     470 0.00001 8.5 106 8.2        
2014-06-02 10:20
 CDT
 K
 WS
 USGS-WRD
 1.00 25.9 27.3 751 4.0 428.30 471 0.00001 8.4 105 8.2 3.6      
2014-07-02 10:36
 CDT
 K
 WS
 USGS-WRD
 18.0 27.5   752     452 0.00001 7.0 90 8.2        
2014-07-02 10:37
 CDT
 K
 WS
 USGS-WRD
 15.0 27.5   752     451 0.00001 7.1 91 8.2        
2014-07-02 10:38
 CDT
 K
 WS
 USGS-WRD
 10.0 27.5   752     450 0.00001 7.4 95 8.3        
2014-07-02 10:39
 CDT
 K
 WS
 USGS-WRD
 5.00 27.6   752     449 M  7.9 102 8.3        
2014-07-02 10:40
 CDT
 K
 WS
 USGS-WRD
 1.00 27.6 29.4 752 0.8 427.63 449 M  8.0 103 8.3 3.2      
2015-07-23 11:09
 CDT
 K
 WS
 USGS-WRD
 25.0 30.1   772     341 0.00001 8.0 104 8.2        
2015-07-23 11:10
 CDT
 K
 WS
 USGS-WRD
 20.0 30.1   772     341 0.00001 8.1 106 8.2        
2015-07-23 11:11
 CDT
 K
 WS
 USGS-WRD
 15.0 30.1   772     341 0.00001 8.2 108 8.2        
2015-07-23 11:12
 CDT
 K
 WS
 USGS-WRD
 10.0 30.1   772     341 0.00001 8.4 110 8.3        
2015-07-23 11:13
 CDT
 K
 WS
 USGS-WRD
 5.00 30.3   772     340 0.00001 8.7 113 8.3        
2015-07-23 11:14
 CDT
 K
 WS
 USGS-WRD
 1.00 30.3 31.8 772 2.3 435.56 340 0.00001 8.6 113 8.3 3.0      
2015-10-29 14:03
 CDT
 K
 WS
 USGS-WRD
 27.0 20.2   749     330 0.00001 7.3 82 7.9        
2015-10-29 14:04
 CDT
 K
 WS
 USGS-WRD
 25.0 20.2   749     330 0.00001 7.2 81 7.9        
2015-10-29 14:05
 CDT
 K
 WS
 USGS-WRD
 20.0 20.3   749     330 0.00001 7.1 80 7.9        
2015-10-29 14:06
 CDT
 K
 WS
 USGS-WRD
 15.0 20.3   749     330 0.00001 7.2 80 7.9        
2015-10-29 14:07
 CDT
 K
 WS
 USGS-WRD
 10.0 20.3   749     330 0.00001 7.4 83 8.0        
2015-10-29 14:08
 CDT
 K
 WS
 USGS-WRD
 5.00 20.4   749     329 0.00001 8.0 90 8.0        
2015-10-29 14:09
 CDT
 K
 WS
 USGS-WRD
 1.00 21.4 23.4 749 1.4 434.78 328 M  9.6 110 8.3 2.2 U    1

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