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Water Quality Samples for USA
Grouped by County

! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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.
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Site Selection Results -- 18 sites found


Hydrologic unit = 13080003
Minimum number of samples = 1

Save file of selected sites to local disk for future upload

Data for individual sites can be obtained by selecting the site number below

  group icon Starr County, Texas
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 08461200 Intern Fal Res nr Falcon Heights, TX 1977-02-08 1977-10-04 3
USGS 263318099090400 Weir at 45.00 bl Falcon Dam nr Falcon Heights, TX 1987-07-09 1994-04-28 21
USGS 263318099090800 Weir at 51+80 bl Falcon Dam nr Falcon Heights, TX 1983-02-14 1995-04-19 43
USGS 263326099092201 Intern Falcon Res Site AL nr Falcon Heights, TX 1977-02-08 1981-08-13 74
USGS 263328099094300 Gallery Weir 243 1985-10-03 1993-04-20 31
USGS 263328099094401 Weir US Gallery Falcon Dam nr Falcon Heights, TX 1983-04-18 1993-04-20 42
USGS 263337099100101 Intern Falcon Res Site AC nr Falcon Heights, TX 1977-02-08 1986-06-24 184
  group icon Webb County, Texas
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 272726099010001 YZ-85-40-601 1998-03-03 1998-03-03 3
USGS 272749099100701 YZ-85-39-201 1998-03-02 1998-03-02 2
USGS 272813099093901 YZ-85-39-301 1997-11-13 1997-11-13 2
  group icon Zapata County, Texas
Agency Site Number Site Name Period of Record
Begin Date End Date Samples
USGS 263448099101400 Fal Res at Boundary Monument No. 1 nr Laredo, TX 1983-04-19 2000-04-13 39
USGS 263815099124901 Intern Falcon Res Site BR nr Falcon Heights, TX 1977-02-08 1981-08-13 84
USGS 264002099101701 Intern Falcon Res Site CC nr Falcon Heights, TX 1977-02-08 1981-08-13 110
USGS 264328099123101 Intern Falcon Res Site DC nr Falcon Heights, TX 1977-02-08 1981-08-13 135
USGS 264858099154201 Intern Falcon Res Site EC nr Falcon Heights, TX 1977-02-09 1981-08-13 107
USGS 265014099190601 Intern Falcon Res Site GC nr Falcon Heights, TX 1977-02-09 1981-08-13 82
USGS 265213099190801 Intern Falcon Res Site HC nr Falcon Heights, TX 1977-02-09 1981-08-13 109
USGS 265224099160701 Intern Falcon Res Site FC nr Falcon Heights, TX 1977-02-09 1981-08-13 80