Little Onion Dam

Significant HazardFair ConditionEmergency Action Plan: Yes

Location

StateNevada
CountyHumboldt
Nearest CityNONE
River/StreamALDER CREEK
Coordinates41.68290, -118.75550

Physical Characteristics

Dam TypeEarth
NID Height35 ft
Dam Height31 ft
Dam Length710 ft

Storage & Hydraulics

NID Storage325 acre-ft
Max Storage325 acre-ft
Normal Storage50 acre-ft
Surface Area30 acres
Max Discharge4,000 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerALDER CREEK RANCH LLC
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection07/18/2022
Emergency Action PlanYes

Identifiers

NID IDNV00006
Federal IDNV00006
More InfoState Dam Safety Program

Nearby Dams

Onion Dam 1.3 mi Significant Knott Creek Reservoir Dam 2.4 mi Significant Alder Creek Ranch Dam 5.6 mi Low