Syphon Canyon

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

CountyOrange
Nearest CityIrvine
River/StreamTr Newport Bay
Coordinates33.70970, -117.73260

Physical Characteristics

Dam TypeEarth
NID Height59 ft
Dam Height59 ft
Dam Length843 ft
Year Completed1949 (77 years old)

Storage & Hydraulics

NID Storage578 acre-ft
Max Storage578 acre-ft
Surface Area28 acres

Ownership & Safety

PurposeOther
OwnerIrvine Ranch Water District
Owner TypePublic Utility
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection05/06/2025
Emergency Action PlanYes

Identifiers

NID IDCA00749
Federal IDCA00749
More InfoState Dam Safety Program

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