Rock Bass Allot 2 Dam

Rock Bass Allot 2 Dam is an earth dam located in Dawes County, Nebraska, built in 1936. It carries a Low hazard potential classification and has a poor condition assessment.

About Rock Bass Allot 2 Dam

The primary purpose of Rock Bass Allot 2 Dam 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 United Ss Forest Service (federal). It impounds the Big Cottonwood Creek near Interior Sd.

The dam stands 15 feet tall and stretches 490 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 84 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1936, the structure is well-established, with more than 75 years of service.

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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 05/03/2019.

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Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateNebraska
CountyDawes
Nearest CityInterior Sd
River/StreamBig Cottonwood Creek
Coordinates42.80398, -103.39960

Physical Characteristics

Dam TypeEarth
NID Height15 ft
Dam Height15 ft
Dam Length490 ft
Year Completed1936 (90 years old)

Storage & Hydraulics

NID Storage84 acre-ft
Max Storage84 acre-ft
Normal Storage46 acre-ft
Surface Area11 acres
Drainage Area0 sq mi
Max Discharge500 cfs

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerUnited Ss Forest Service
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection05/03/2019
Emergency Action PlanNot Required

Identifiers

NID IDNE01395
Federal IDNE01395
More InfoState Dam Safety Program

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