Big Lagoon

California — Humboldt County — Big Lagoon

Location

StateCalifornia
CountyHumboldt
RiverBig Lagoon
Coordinates41.15590, -124.10227

Physical Characteristics

NID Height16 ft
Dam Height16 ft
Dam Length3,700 ft
NID Storage780 acre-ft
Max Storage780 acre-ft
Surface Area78 acres

Safety Classification

Hazard PotentialLow
Condition AssessmentSatisfactory
EAP StatusNo
Last InspectionMay 7, 2025
Inspection Frequency0.5

Dam Information

Year Completed1947
Primary PurposeWater Supply
Dam TypeEarth
Owner TypePrivate
OwnerCalifornia Redwood Acquisition 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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