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DESCRIPTION:

Latitude 33°29'54",   Longitude 117°39'54"   NAD27

Orange County, California, Hydrologic Unit 18070301

Drainage area: 54.1 square miles

Datum of gage: 80 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1986-02-11	2017-08-20
Daily Data
Temperature, water, degrees Celsius	1970-11-29	1977-09-24	461
Discharge, cubic feet per second	1972-10-01	2017-08-19	12011
Suspended sediment concentration, milligrams per liter	1970-10-01	1984-09-29	2921
Suspended sediment discharge, short tons per day	1970-10-01	1984-09-29	2921
Daily Statistics
Discharge, cubic feet per second	1972-10-01	2016-10-22	11710
Suspended sediment concentration, milligrams per liter	1970-10-01	1984-09-29	2921
Suspended sediment discharge, short tons per day	1970-10-01	1984-09-29	2921
Monthly Statistics
Discharge, cubic feet per second	1972-10	2016-10
Suspended sediment concentration, milligrams per liter	1970-10	1984-09
Suspended sediment discharge, short tons per day	1970-10	1984-09
Annual Statistics
Discharge, cubic feet per second	1973	2017
Suspended sediment concentration, milligrams per liter	1971	1984
Suspended sediment discharge, short tons per day	1971	1984
Peak streamflow	1973-02-11	2016-01-05	31
Field measurements	1988-10-28	2017-07-31	417
Field/Lab water-quality samples	1970-11-29	1993-08-25	304
Water-Year Summary	2005	2016	12
Additional Data Sources	Begin Date	End Date	Count
Instantaneous-Data Archive  **offsite**	1986-02-11	2007-09-30	426462

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