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Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 11066500 SANTA ANA R A RIVERSIDE NARROWS NR ARLINGTON CA
Riverside County, California
Hydrologic Unit Code 18070203
Latitude  33°57'53", Longitude 117°27'55" NAD27
Drainage area 853  square miles
Gage datum 680 feet above NGVD29
Output formats
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of data
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Meas.
Number		   Date       Time Time
Datum		 Measurement
Used?		   Who Measuring
Agency		 Stream
flow
(ft3/s)		 Gage
Height
(ft)		 GH
Change
(ft)		 Meas.
Duration
(hr)		 Meas.
Rated		   Control Flow
Adjust.
Code 		 Channel
Number		 Channel
Name		 Meas.
type 		 Stream
flow
method 		 Velocity
method 		 Channel
flow
(ft3/s)		 Channel
width
(ft)		 Channel
area
(ft2)		 Channel
vel.
(ft/s)		 Channel
stability 		 Channel
material 		 Channel
evenness 		 Long.
vel.
desc. 		 Horz.
vel.
desc. 		 Vert.
vel.
desc. 		 Channel
loc.
code 		 Channel
loc.
dist.(ft)
82004-08-23 08:20PDTYesJAUSGS55.5 Poor NONE1Imported Channel 1WADEunspeunkno55.510234.31.62UNSPUNSPUNSPunknUNSPUNSPUNSP
72004-06-15 08:00PDTYesJAUSGS63.8 Poor NONE1Imported Channel 1WADEunspeunkno63.810336.61.74UNSPUNSPUNSPunknUNSPUNSPUNSP
62003-09-11 09:10PDTYesJAUSGS77.4 Poor NONE1Imported Channel 1WADEunspeunkno77.410646.61.66UNSPUNSPUNSPunknUNSPUNSPUNSP
52003-09-04 08:35PDTYesJAUSGS80.7 Poor NONE1Imported Channel 1WADEunspeunkno80.794.540.22.01UNSPUNSPUNSPunknUNSPUNSPUNSP
42003-08-21 08:55PDTYesJAUSGS64.1 Poor NONE1Imported Channel 1WADEunspeunkno64.183.039.91.61UNSPUNSPUNSPunknUNSPUNSPUNSP
32003-08-06 08:30PDTYesJAUSGS68.0 Poor NONE1Imported Channel 1WADEunspeunkno68.088.542.81.59UNSPUNSPUNSPunknUNSPUNSPUNSP
22003-07-16 09:35PDTYesJAUSGS80.9 Poor NONE1Imported Channel 1WADEunspeunkno80.910244.21.83UNSPUNSPUNSPunknUNSPUNSPUNSP
12003-07-02 09:25PDTYesJAUSGS78.7 Poor NONE1Imported Channel 1WADEunspeunkno78.711646.01.71UNSPUNSPUNSPunknUNSPUNSPUNSP