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DESCRIPTION:

Latitude 28°29'31",   Longitude 98°20'47"   NAD27

Mcmullen County, Texas, Hydrologic Unit 12110108

Drainage area: 5,491 square miles

Contributing drainage area: 5,491 square miles,

Datum of gage: 153.47 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Daily Data
Discharge, cubic feet per second	1924-10-01	1981-03-23	18436
Daily Statistics
Discharge, cubic feet per second	1924-10-01	1981-03-23	18436
Monthly Statistics
Discharge, cubic feet per second	1924-10	1981-03
Annual Statistics
Discharge, cubic feet per second	1925	1981
Peak streamflow	1925-03-22	1980-10-06	52
Field/Lab water-quality samples	1962-04-25	1981-02-28	339
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