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DESCRIPTION:

Latitude 32°48'44",   Longitude 114°30'51"   NAD27

Imperial County, California, Hydrologic Unit 15030107

Drainage area: 188,600 square miles

Contributing drainage area: 184,600 square miles,

Datum of gage: 120.81 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1987-10-01	2018-05-27
Daily Data
Discharge, cubic feet per second	1971-12-16	2018-05-26	16964
Daily Statistics
Discharge, cubic feet per second	1971-12-16	2018-04-19	16927
Monthly Statistics
Discharge, cubic feet per second	1971-12	2018-04
Annual Statistics
Discharge, cubic feet per second	1972	2018
Field measurements	1984-10-04	2018-05-21	530
Field/Lab water-quality samples	1972-07-17	1995-06-13	440
Water-Year Summary	2006	2017	12
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