Whittier Narrows Dam

High HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateCalifornia
CountyLos Angeles
Nearest CityWHITTIER
River/StreamSAN GABRIEL RIVER
Coordinates34.02090, -118.05497

Physical Characteristics

Dam TypeEarth
NID Height56 ft
Dam Height56 ft
Dam Length16,960 ft
Year Completed1957 (69 years old)

Storage & Hydraulics

NID Storage66,702 acre-ft
Max Storage66,702 acre-ft
Surface Area1 acres
Drainage Area554 sq mi
Max Discharge307,900 cfs
Spillway TypeControlled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerUSACE - Los Angeles District
Owner TypeFederal
Hazard ClassificationHigh
Condition AssessmentNot Available
Last Inspection07/07/2022
Emergency Action PlanYes

Identifiers

NID IDCA10027
Federal IDCA10027
More InfoState Dam Safety Program

Nearby Dams

Whittier Reservoir No. 4 1.7 mi Low Garvey Reservoir 4.0 mi High Laguna Regulating Basin 6.9 mi Significant Santa Fe Dam 8.1 mi High Morris S. Jones 9.9 mi High Eaton Wash Debris Basin 10.4 mi High Bailey Debris Basin 10.5 mi High Sierra Madre Villa 10.5 mi High Santa Anita Debris Basin 10.6 mi Low 30 Mg Central Reservoir 10.6 mi High