Spreading Facility Information
RIO HONDO COASTAL SPREADING GROUNDS
BASIN TYPE:
Shallow
No. OF BASINS:
20
SEASON FIRST USED:
1937-38
AREA
 
GROSS:
570 ACRES
WETTED:
430.0 ACRES
CAPACITIES
 
CHANNEL**:
40,000 cfs CFS
INTAKES:
1,950 cfs
STORAGE:
3694 AF
PERCOLATION*:
400 CFS
LOCATION:
Easterly side of Rio Hondo southerly from Southern Pacific R. R. (south of Whittier Blvd.) to Slauson Ave; west side of side of Rio Hondo Channel from 0.2 miles above Whittier Blvd. South to Foster Bridge Blvd.
SOURCE OF WATER:
Controlled releases from San Gabriel Canyon Dams, Santa Fe and Whittier Narrows Dam. Uncontrolled runoff via San Gabriel River, Rio Hondo Channel and their tributaries. Also imported and reclaimed water.
REMARKS:
In cooperation with the U.S Army Corps of Engineers. Public Works operates 1,200 A.F. pool at Whittier Narrows Dam for retention of storm water.
* The capacity listed is estimates of infiltration rates.
** Design capacity of main channel.

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