Weaver Lake Dam

Weaver Lake Dam is a rockfill dam located in Nevada County, California, built in 1967. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspection07/29/2016
Height27 ft
Built196759 years ago

Dam profile

NID height · 27 ft
27 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

27 ft tall and 106 ft long, taller than 59% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic rockfill embankment section and the water level is illustrative.

About Weaver Lake Dam

Weaver Lake Dam is a dam in Nevada, California. The dam is owned by Usda Fs (federal). It impounds the Y near Nevada City.

The dam stands 27 feet tall and stretches 106 feet across, creates a reservoir covering 93 acres, has a maximum storage capacity of 1,390 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1967, the structure is well into its service life at over 50 years old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 07/29/2016. That was over 10 years ago.

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Location

StateCalifornia
CountyNevada
Nearest CityNevada City
River/StreamY
Coordinates39.46806, -120.66111

Physical Characteristics

Dam TypeRockfill
NID Height27 ft
Dam Height27 ft
Dam Length106 ft
Year Completed1967 (59 years old)

Storage & Hydraulics

NID Storage1,390 acre-ft
Max Storage1,390 acre-ft
Normal Storage1,390 acre-ft
Surface Area93 acres
Drainage Area1 sq mi
Max Discharge500 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeOther
OwnerUsda Fs
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentNot assessed
Last Inspection07/29/2016
Emergency Action PlanNot Required

Identifiers

NID IDCA10232
Federal IDCA10232
More InfoState Dam Safety Program