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DESCRIPTION:

Latitude 27°30'06.60",   Longitude 99°30'10.68"   NAD83

Webb County, Texas, Hydrologic Unit 13080002

Drainage area: 132,578 square miles

Contributing drainage area: 132,578 square miles,

Datum of gage: 351.44 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Peak streamflow	1865	1983-09-20	82
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1970-10-01	1997-12-17	410
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