Trabuco Retarding Basin

California — Orange County — San Diego Creek

Location

StateCalifornia
CountyOrange
RiverSan Diego Creek
Coordinates33.69650, -117.75580

Physical Characteristics

NID Height18 ft
Dam Height18 ft
Dam Length2,250 ft
NID Storage390 acre-ft
Max Storage390 acre-ft
Surface Area22 acres

Safety Classification

Hazard PotentialHigh
Condition AssessmentSatisfactory
EAP StatusYes
Last InspectionSeptember 17, 2025
Inspection Frequency1

Dam Information

Year Completed1996
Primary PurposeFlood Risk Reduction
Dam TypeEarth
Owner TypeLocal Government
OwnerCounty of Orange

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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