Surveyors Valley

Surveyors Valley is an earth dam located in Modoc County, California, built in 1955. It carries a Low hazard potential classification.

About Surveyors Valley

The primary purpose of Surveyors Valley is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Usda Fs (federal).

The dam stands 8 feet tall and stretches 425 feet across, has a storage capacity of 925 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1955, 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 08/31/2010. That was over 15 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateCalifornia
CountyModoc
Coordinates41.68333, -120.91667

Physical Characteristics

Dam TypeEarth
NID Height8 ft
Dam Height8 ft
Dam Length425 ft
Year Completed1955 (71 years old)

Storage & Hydraulics

NID Storage925 acre-ft
Normal Storage925 acre-ft
Drainage Area3 sq mi
Spillway TypeControlled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerUSDA FS
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection08/31/2010
Emergency Action PlanNot Required

Identifiers

NID IDCA10319
Federal IDCA10319
More InfoState Dam Safety Program

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