Whittier Narrows Dam Summary

Compiled: 15Feb2025 0551

Warning: This automatically generated report has not been screened for errors.
Last Report Reservoir Gages
Location
Elev
(ft-msl)
Storage
(ac-ft)
%
Full
Outflow
(cfs)
Average Inflow
Date Time Date Time cfs
Whittier Narrows Dam - Reservoir Gages
15Feb 0500 WN Rio Hondo 184.28 -M- --- -M- --- --- -M-
14Feb 2100 WN San Gabriel 201.96 16 0.0 251 --- --- -M-
Last Report Precipitation Gages
Location
Totals (inches)
Date Time 1 Hour 3 Hour 6 Hour 24 Hour
Precipitation Gages Above Rio Hondo Side
14Feb 2100 WN Rio Hondo 0.0 0.0 0.0 0.36
Precip Gages Above San Gabriel Side
14Feb 2100 Santa Fe 0.0 0.0 0.0 0.0
14Feb 2030 Big Dalton W-abv WN San Gabriel 0.0 0.0 0.0 0.14
14Feb 2100 WN San Gabriel 0.0 0.0 0.0 0.3
Last Report Stream Gages
Location
Stream Flow Gage Height Change In Peak Flow (cfs)
Date Time (cfs) (% Full) (ft) (% Depth) Time (hr) Flow (cfs) Last 3 Days
Direct Inflow to Rio Hondo
14Feb 2000 Alhambra W-abv WN Rio Hondo 376 0.0 1.32 10.4 0.25 0 9265
14Feb 2000 Garvey Ave-Rio Hondo abv WN 54 0.0 1.99 12.1 0.25 0 9364
San Gabriel R below SNFE Dam, Big Dalton Wash, Walnut & San Jose Creeks
14Feb 2030 Peck Rd-SGR abv WN 175 0.0 4.39 24.8 0.25 -7 26046
14Feb 2015 Santa Fe DS-SGR 0 0.0 5.2 19.3 0.25 0 0
14Feb 2030 Big Dalton W-abv WN San Gabriel 29 0.0 0.27 1.9 0.25 0 8207
14Feb 2030 Walnut Ck-abv WN San Gabriel 29 0.0 0.19 1.3 0.25 -1 4614
Downstream - Rio Hondo and Los Angeles R
14Feb 1930 Beverly Blvd-Rio Hondo blw WN 701 0.0 2.18 13.2 0.25 -29 15769
14Feb 2030 Stewart and Gray-Rio Hondo blw WN 32 0.0 0.38 2.1 0.25 0 10157
Firestone Blvd-LAR abv Rio Hondo: No stage report in 14 days
14Feb 2100 Wardlow-LAR at Long Beach 20772 10.0 6.74 29.3 0.25 0 53840
Downstream - San Gabriel R
14Feb 2000 Parkway-SGR blw WN 207 0.0 1.55 11.9 0.25 0 3242
14Feb 2030 Florence Ave-SGR in Downey 1 0.0 0.14 1.1 0.25 0 1
14Feb 2030 Spring St-SGR in Long Beach 75 0.0 1.43 8.2 0.25 -1 3766