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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 Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 08055517 Elm Fk Trinity Rv at Valley View Ln nr Irving, TX

Dallas County, Texas
Hydrologic Unit Code 12030103
Latitude  32°54'52.20", Longitude  96°56'18.36" NAD83
Gage datum 417 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)

Carbon
dioxide
water,
unfltrd
mg/L
(00405)



Sample
volume,
liters
(32000)		 Alka-
linity,
wat flt
inf tit
field,
mg/L as
CaCO3
(39086)



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,
average
larvae
shell
length,
um
(94429)		 Zebra
mussel,
average
adult
shell
length,
mm
(94430)		 Type
of
sample
related
QA
data,
code
(99111)
2012-11-20 12:23
 CST
 K
 WS
 USGS-WRD
 1.00 14.8 24.9 758 5.8   474 0.00001 9.8 97 8.0               U       
2012-12-11 10:23
 CST
 K
 WS
 USGS-WRD
 1.00 12.2 5.4 756 4.3   419 0.00002 9.7 91 7.8               U       
2013-05-06 12:50
 CDT
 K
 WS
 USGS-WRD
 2.00 18.2 21.0 753 6.0   547 0.00001 9.6 103 8.0               U       
2013-05-24 15:38
 CDT
 K
 WS
 USGS-WRD
 4.00 24.0 30.3 753     411 0.00002 6.1 74 7.7               U       
2013-07-01 14:10
 CDT
 K
 WS
 USGS-WRD
 2.00 27.5 29.0 752 4.2   434 0.00001 7.6 97 7.9               U       
2013-09-10 14:15
 CDT
 K
 WS
 USGS-WRD
 1.00 28.3 33.6 754 5.5   417 0.00002 6.9 89 7.8               U       
2013-11-01 14:58
 CDT
 K
 WS
 USGS-WRD
 1.00 19.1 24.6 749 3.3   386 0.00003 5.7 62 7.5               U       
2013-12-23 09:02
 CST
 K
 WS
 USGS-WRD
 1.00 7.1 -0.5 762 2.5   405 0.00004 10.8 89 7.4               U       
2014-04-15 10:55
 CDT
 K
 WS
 USGS-WRD
 1.00 16.6 11.8 758 7.5   577 0.00002 6.7 69 7.7               U       
2014-05-07 10:47
 CDT
 K
 WS
 USGS-WRD
 1.00 22.8 24.4 745 15   1200 0.00001 7.8 93 7.9               U       
2014-06-16 12:40
 CDT
 K
 WS
 USGS-WRD
 1.00 27.4 32.2 751 11   580 M  9.7 125 8.4               U       
2014-07-01 11:20
 CDT
 K
 WS
 USGS-WRD
 1.00 27.8 27.8 752 7.6   576 M  8.5 109 8.5               U       
2014-10-09 11:43
 CDT
 K
 WS
 USGS-WRD
 5.00 23.3         411 0.00003 3.4   7.6                      
2014-10-09 11:44
 CDT
 K
 WS
 USGS-WRD
 1.00 24.6 31.0 750 6.4   405 M  8.7 106 8.4               < 0.01      
2014-10-28 11:12
 CDT
 K
 WS
 USGS-WRD
 7.00 20.9         455 0.00001 7.8   8.1                      
2014-10-28 11:13
 CDT
 K
 WS
 USGS-WRD
 5.00 20.9         455 0.00001 7.8   8.1                      
2014-10-28 11:14
 CDT
 K
 WS
 USGS-WRD
 1.00 20.9 20.2 750 3.7   454 0.00001 7.8 89 8.1               U       
2015-04-10 12:01
 CDT
 K
 WS
 USGS-WRD
 7.00 19.2   756     583 0.00002 7.2 79 7.7                      
2015-04-10 12:02
 CDT
 K
 WS
 USGS-WRD
 5.00 19.2   756     583 0.00002 7.2 79 7.7                      
2015-04-10 12:03
 CDT
 K
 WS
 USGS-WRD
 1.00 17.2 15.3 756 4.6   583 0.00002 7.3 77 7.7               U       
2015-05-08 10:38
 CDT
 K
 WS
 USGS-WRD
 1.00 20.4 25.8 771 7.0   416 0.00003 7.6 83 7.6               U       
2015-06-25 11:00
 CDT
 K
 WS
 USGS-WRD
 1.00 27.3 34.2 775 2.3   320 0.00002 7.4 91 7.8               < 0.01      
2015-07-31 11:32
 CDT
 K
 WS
 USGS-WRD
 1.00 26.1 34.8 753 1.8   317 0.00004 7.6 95 7.4 < 0.00   < 0.01                
2015-10-02 09:59
 CDT
 K
 WS
 USGS-WRD
 9.00 24.3   753     425 0.00002 6.9 83 7.8                      
2015-10-02 10:00
 CDT
 K
 WS
 USGS-WRD
 5.00 24.2   753     425 0.00002 6.9 83 7.8                      
2015-10-02 10:01
 CDT
 K
 WS
 USGS-WRD
 1.00 24.2 22.8 753 1.7   425 0.00002 6.9 83 7.8   194           0.0 101.4   1
2015-11-06 12:15
 CST
 K
 WS
 USGS-WRD
 1.00 19.8 18.8 753 2.4   324 0.00002 9.3 103 7.7   1080   10.00 50 4030   0.0     1
2016-04-06 12:07
 CST
 K
 WS
 USGS-WRD
 1.00 16.5 21.4 756 7.4 53 327 0.00001 10.2 105 7.9   1080   10.00 50 4030   0.0 111.3   1
2016-05-04 12:17
 CDT
 K
 WS
 USGS-WRD
 1.00 20.4 24.6 756 7.8 5 317 0.00001 9.6 107 8.0   1080   10.00 50 4030 U  0.0 117.2   1
2016-06-17 11:55
 CST
 K
 WS
 USGS-WRD
 1.00 24.9 31.2 752 6.2 165 256 0.00003 8.1 99 7.5   1080           0.0 124.2   1
2016-07-13 10:46
 CDT
 K
 WS
 USGS-WRD
 1.00 26.6 31.8 755 7.8 178 321 0.00002 7.8 98 7.6   1080         10 < 0.01 100.6 10.7 1
2016-10-04 12:06
 CDT
 K
 WS
 USGS-WRD
 9.00 24.4   752     443 0.00002 8.2 100 7.8                     1
2016-10-04 12:07
 CDT
 K
 WS
 USGS-WRD
 5.00 24.5   752     444 0.00001 8.3 101 7.9                     1
2016-10-04 12:08
 CDT
 K
 WS
 USGS-WRD
 1.00 24.7   752     444 0.00001 8.6 104 7.9   1080           0.0 94.66   1
2016-11-04 11:33
 CST
 K
 WS
 USGS-WRD
 1.00 22.0 21.4 764 1.8 324 406 0.00005 7.4 84 7.3   216         U  U      1
2017-04-20 11:33
 CDT
 K
 WS
 USGS-WRD
 1.00 19.7 25.3 753 3.9 118 357 0.00003 9.1 100 7.6   1080         U  < 0.01 120.6   1
2017-05-11 11:35
 CDT
 K
 WS
 USGS-WRD
 7.00 22.5   760     502 0.00002 7.9 91 7.6                     1
2017-05-11 11:36
 CDT
 K
 WS
 USGS-WRD
 5.00 22.5   760     502 0.00002 7.9 91 7.7                     1
2017-05-11 11:37
 CDT
 K
 WS
 USGS-WRD
 1.00 22.6 28.2 760 3.6 199 503 0.00002 8.0 93 7.7   1000         U  U      1
2017-06-30 11:20
 CDT
 K
 WS
 USGS-WRD
 1.00 26.7 33.7 759 1.9 74 414 0.00001 7.5 94 7.9   1080           0.0 91.04   1
2017-07-20 11:01
 CDT
 K
 WS
 USGS-WRD
 1.00 28.9 34.4 769 4.1 188 404 0.00004 6.8 87 7.4   1080         U  0.0 96.81   1
2017-10-04 13:31
 CDT
 K
 WS
 USGS-WRD
 1.00 26.1 29.8 761 7.0 188 385 0.00006 7.4 91 7.3   1000         U  U      1
2017-10-31 12:36
 CDT
 K
 WS
 USGS-WRD
 5.00 14.5   754     384 0.00001 9.1 90 8.0   1000                 1
2017-10-31 12:37
 CDT
 K
 WS
 USGS-WRD
 1.00 14.7 15.4 754 4.3 26 383 0.00001 9.9 98 8.2   1000           U      1
2018-04-19 11:30
 CDT
 K
 WS
 USGS-WRD
 10.0 17.7   762     494 0.00001 8.4 88 7.9                     1
2018-04-19 11:31
 CDT
 K
 WS
 USGS-WRD
 5.00 17.7   762     494 0.00001 8.5 89 7.9                     1
2018-04-19 11:32
 CDT
 K
 WS
 USGS-WRD
 1.00 17.7 20.1 762 0.9 324 494 0.00001 8.5 89 7.9   216           U      1
2018-05-11 11:59
 CDT
 K
 WS
 USGS-WRD
 9.00 23.2   752     664 0.00002 7.6 90 7.7                     1
2018-05-11 12:00
 CDT
 K
 WS
 USGS-WRD
 5.00 23.2   752     663 0.00002 7.7 91 7.6                     1
2018-05-11 12:01
 CDT
 K
 WS
 USGS-WRD
 1.00 23.2 28.3 752 16 186 664 0.00002 7.7 91 7.6   1080         U  < 0.01 97.81   1
2018-05-31 12:32
 CDT
 K
 WS
 USGS-WRD
 4.00 27.4   751     486 0.00001 8.4 108 8.2                     1
2018-05-31 12:33
 CDT
 K
 WS
 USGS-WRD
 1.00 28.1 32.1 751 8.7 222 484 M  10.6 137 8.5   1080         U  < 0.01 103.2   1
2018-06-29 13:31
 CDT
 K
 WS
 USGS-WRD
 5.00 28.1   753     426 0.00001 8.2 106 8.1                     1
2018-06-29 13:33
 CDT
 K
 WS
 USGS-WRD
 1.00 28.2 34.8 753 11 191 426 0.00001 8.2 107 8.0   1000         U  U      1
2018-10-02 11:35
 CDT
 K
 WS
 USGS-WRD
 1.00 24.8 27.1 759 4.2 331 331 0.00002 7.8 94 7.6   1000         U  U      1
2018-11-16 12:40
 CST
 K
 WS
 USGS-WRD
 1.00 13.9 21.2 758 3.1 175 324 0.00001 10.9 106 7.9   1000           U      1
2019-05-01 10:30
 CDT
 K
 WS
 USGS-WRD
 1.00 19.1 26.5 754 2.6 181 386 0.00001 9.7 106 7.8   1080           < 0.01 172.0   1
2019-05-01 10:31
 CDT
 K
 WS
 USGS-WRD
 5.00 19.1   754     386 0.00002 9.7 106 7.8                     1
2019-05-01 10:32
 CDT
 K
 WS
 USGS-WRD
 10.0 19.1   754     385 0.00002 9.7 106 7.8                     1
2019-07-17 10:37
 CDT
 K
 WS
 USGS-WRD
 1.00 27.2 31.1 752 9.4 197 385 0.00006 7.3 93 7.2   1000         U  U      1
2019-10-10 10:02
 CDT
 K
 WS
 USGS-WRD
 1.00 24.6 25.3 753 6.2 156 408 0.00001 8.1 98 8.2   1080         U  0.0 94.49   1
2020-04-24 12:05
 CDT
 K
 WS
 USGS-WRD
 1.00 18.0 29.0 749 4.3 128 335 0.00001 10.0 107 8.0   1080           < 0.01 91.08   1
2020-06-19 11:54
 CDT
 K
 WS
 USGS-WRD
 3.00 25.7   752     377 0.00014 7.2 89 6.9                     1
2020-06-19 11:55
 CDT
 K
 WS
 USGS-WRD
 1.00 25.7 34.0 752 6.4 165 377 0.00013 7.2 89 6.9   1000         U  U      1
2020-07-29 12:21
 CST
 K
 WS
 USGS-WRD
 10.0 27.3   752     363 0.00010 6.3 80 7.0                     1
2020-07-29 12:22
 CST
 K
 WS
 USGS-WRD
 5.00 27.0   752     363 0.00014 6.2 79 6.9                     1
2020-07-29 12:23
 CST
 K
 WS
 USGS-WRD
 1.00 27.3 30.9 752 3.7 10 363 0.00016 6.3 80 6.8   216         U  U      1
2020-10-22 13:31
 CDT
 K
 WS
 USGS-WRD
 7.00 22.4   752     409 0.00002 8.1 95 7.6                     1
2020-10-22 13:32
 CDT
 K
 WS
 USGS-WRD
 5.00 22.5   752     409 0.00002 8.1 95 7.7                     1
2020-10-22 13:33
 CDT
 K
 WS
 USGS-WRD
 1.00 22.5 28.2 752 5.3 330 409 0.00002 8.2 96 7.7   151         U  0.0 96.56   1
2021-04-12 14:25
 CDT
 K
 WS
 USGS-WRD
 1.00 18.4 27.8 757 6.5 182 453 0.00001 9.3 99 7.8   172         U  U      1
2021-04-12 14:26
 CDT
 K
 WS
 USGS-WRD
 5.00 18.4   757     453 0.00002 9.2 99 7.8                     1
2021-06-03 11:26
 CDT
 K
 WS
 USGS-WRD
 1.00 21.4 26.5 754 5.0 201 395 0.00002 9.0 102 7.7   1080           0.0 121.4   1
2021-07-07 11:25
 CDT
 K
 WS
 USGS-WRD
 1.00 26.1 35.0 755 1.4 208 363 0.00003 7.7 96 7.6   1080         U  < 0.01 99.00   1
2021-10-08 11:01
 CDT
 K
 WS
 USGS-WRD
 8.00 24.2   759     415 0.00003 7.7 91 7.5                     1
2021-10-08 11:02
 CDT
 K
 WS
 USGS-WRD
 5.00 24.2   759     415 0.00003 7.7 92 7.5                     1
2021-10-08 11:03
 CDT
 K
 WS
 USGS-WRD
 1.00 24.2 28.5 759 3.0 314 416 0.00003 7.7 92 7.5   172           0.0 95.13   1
2022-04-07 11:50
 CDT
 K
 WS
 USGS-WRD
 5.00 18.2   744     458 0.00004 7.1 77 7.4                      
2022-04-07 11:51
 CDT
 K
 WS
 USGS-WRD
 1.00 18.2 20.1 744 2.8 320 457 0.00004 7.1 77 7.4   216           U       
2022-06-14 12:00
 CDT
 K
 WS
 USGS-WRD
 10.0 25.2   767     520 0.00002 8.3 101 7.6                      
2022-06-14 12:01
 CDT
 K
 WS
 USGS-WRD
 5.00 25.2   767     519 0.00002 8.3 101 7.6                      
2022-06-14 12:02
 CDT
 K
 WS
 USGS-WRD
 1.00 25.2 34.3 767 2.5 137 447 0.00002 8.3 101 7.6   1080         U  0.02 126.0    
2022-07-27 10:10
 CDT
 K
 WS
 USGS-WRD
 5.00 27.3   767     437 0.00003 6.4 81 7.5                      
2022-07-27 10:11
 CDT
 K
 WS
 USGS-WRD
 1.00 27.3 36.5 767 1.2 248 437 0.00003 6.5 81 7.5   216         6 0.02 90.17 6.66  
2022-10-07 11:15
 CDT
 K
 WS
 USGS-WRD
 5.00 24.0   749     484 0.00001 8.9 107 8.2                      
2022-10-07 11:16
 CDT
 K
 WS
 USGS-WRD
 1.00 24.0 28.2 749 0.9 163 484 0.00001 9.0 109 8.2   129         U  0.02 100.7    
2023-04-19 12:00
 CDT
 K
 WS
 USGS-WRD
 5.00 18.5   766     499 0.00002 8.9 94 7.7                      
2023-04-19 12:01
 CDT
 K
 WS
 USGS-WRD
 1.00 18.5 27.9 766 7.2 75 499 0.00002 8.9 94 7.7   216           0.02 93.09    
2023-06-21 10:50
 CDT
 K
 WS
 USGS-WRD
 8.00 29.0   745     533 0.00002 6.9 91 7.6                      
2023-06-21 10:51
 CDT
 K
 WS
 USGS-WRD
 5.00 28.9   745     533 0.00002 6.9 92 7.6                      
2023-06-21 10:52
 CDT
 K
 WS
 USGS-WRD
 1.00 29.1 37.6 745 1.8 133 533 0.00002 7.1 95 7.6   172           2.3 96.61    
2023-07-20 10:25
 CDT
 K
 WS
 USGS-WRD
 5.00 29.1   750     496 0.00001 7.2 96 7.9                      
2023-07-20 10:26
 CDT
 K
 WS
 USGS-WRD
 1.00 29.2 34.1 750 0.9 149 496 0.00002 7.3 96 7.8   1080         U  0.07 94.37    

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