Sea Ranch

California — Sonoma County — Offstream

Location

StateCalifornia
CountySonoma
RiverOffstream
Coordinates38.76020, -123.50060

Physical Characteristics

NID Height61 ft
Dam Height61 ft
Dam Length2,500 ft
NID Storage300 acre-ft
Max Storage300 acre-ft
Surface Area14 acres

Safety Classification

Hazard PotentialLow
Condition AssessmentSatisfactory
EAP StatusNo
Last InspectionApril 22, 2025
Inspection Frequency0.5

Dam Information

Year Completed1996
Primary PurposeWater Supply
Dam TypeEarth
Owner TypePrivate
OwnerThe Sea Ranch Water Company

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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