Trabuco Retarding Basin

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

CountyOrange
Nearest CityNorthwood
River/StreamSan Diego Creek
Coordinates33.69650, -117.75580

Physical Characteristics

Dam TypeEarth
NID Height18 ft
Dam Height18 ft
Dam Length2,250 ft
Year Completed1996 (30 years old)

Storage & Hydraulics

NID Storage390 acre-ft
Max Storage390 acre-ft
Surface Area22 acres
Drainage Area3 sq mi

Ownership & Safety

PurposeFlood Risk Reduction
OwnerCounty of Orange
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection09/17/2025
Emergency Action PlanYes

Identifiers

NID IDCA01399
Federal IDCA01399
More InfoState Dam Safety Program

Nearby Dams

Marshburn Retarding Basin 1.5 mi High Syphon Canyon 1.6 mi High Rattlesnake Canyon 2.4 mi High Bee Canyon Retention Basin 2.5 mi Low East Hicks Canyon Retarding Basin 2.8 mi Low Orchard Estates Retarding Basin 2.9 mi High Round Canyon Retarding Basin 3.2 mi Low Agua Chinon 3.5 mi High Hicks Canyon Retention Basin 3.6 mi Low Eastfoot Retarding Basin 3.8 mi High