Walnut Canyon

California — Orange County — Walnut Canyon

Location

StateCalifornia
CountyOrange
RiverWalnut Canyon
Coordinates33.84120, -117.75250

Physical Characteristics

NID Height187 ft
Dam Height187 ft
Dam Length930 ft
NID Storage2,570 acre-ft
Max Storage2,570 acre-ft
Surface Area47 acres

Safety Classification

Hazard PotentialHigh
Condition AssessmentSatisfactory
EAP StatusYes
Last InspectionDecember 16, 2025
Inspection Frequency1

Dam Information

Year Completed1968
Primary PurposeWater Supply
Dam TypeEarth
Owner TypeLocal Government
OwnerCity of Anaheim

Location Map

About This Dam Record

Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.

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