Reservoir M

Reservoir M is an earth dam located in Modoc County, California, built in 1977. It carries a Low hazard potential classification.

About Reservoir M

The primary purpose of Reservoir M is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Usda Fs (federal).

The dam stands 13 feet tall and stretches 1,200 feet across, has a storage capacity of 2,840 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1977, the structure is 49 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 09/07/2010. That was over 15 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateCalifornia
CountyModoc
Coordinates41.66111, -120.87083

Physical Characteristics

Dam TypeEarth
NID Height13 ft
Dam Height13 ft
Dam Length1,200 ft
Year Completed1977 (49 years old)

Storage & Hydraulics

NID Storage2,840 acre-ft
Normal Storage2,840 acre-ft
Drainage Area2 sq mi
Max Discharge832 cfs
Spillway TypeControlled

Ownership & Safety

PurposeIrrigation
OwnerUSDA FS
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection09/07/2010
Emergency Action PlanNot Required

Identifiers

NID IDCA10316
Federal IDCA10316
More InfoState Dam Safety Program

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