Orchard Estates Retarding Basin

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

CountyOrange
Nearest CityNorthwood Point
River/StreamTr Rattlesnake Can
Coordinates33.73840, -117.74670

Physical Characteristics

Dam TypeEarth
NID Height21 ft
Dam Height21 ft
Dam Length810 ft
Year Completed1999 (27 years old)

Storage & Hydraulics

NID Storage138 acre-ft
Max Storage138 acre-ft
Surface Area11 acres
Drainage Area0 sq mi

Ownership & Safety

PurposeFlood Risk Reduction
OwnerCounty of Orange
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection09/09/2025
Emergency Action PlanYes

Identifiers

NID IDCA01436
Federal IDCA01436
More InfoState Dam Safety Program

Nearby Dams

Rattlesnake Canyon 0.7 mi High Eastfoot Retarding Basin 1.0 mi High Hicks Canyon Retention Basin 1.7 mi Low East Hicks Canyon Retarding Basin 1.9 mi Low Ler Peters Canyon Retarding Basin 2.1 mi High Syphon Canyon 2.1 mi High Trabuco Retarding Basin 2.9 mi High Bee Canyon Retention Basin 2.9 mi Low Peters Canyon 3.0 mi High Marshburn Retarding Basin 3.2 mi High