Cross Group Dam

Cross Group Dam is an earth dam located in Banner County, Nebraska, built in 1966. It carries a Low hazard potential classification and has a poor condition assessment.

About Cross Group Dam

The primary purpose of Cross Group Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Barbara Cross (private). It impounds the Tr-willow Creek near Broadwater.

The dam stands 35 feet tall and stretches 950 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 315 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1966, 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. 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 04/20/2022.

At 35 feet, this dam is taller than 82% of dams nationwide.

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Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateNebraska
CountyBanner
Nearest CityBroadwater
River/StreamTr-willow Creek
Coordinates41.54358, -103.78220

Physical Characteristics

Dam TypeEarth
NID Height35 ft
Dam Height35 ft
Dam Length950 ft
Year Completed1966 (60 years old)

Storage & Hydraulics

NID Storage315 acre-ft
Max Storage315 acre-ft
Normal Storage76 acre-ft
Surface Area12 acres
Drainage Area2 sq mi
Max Discharge3,002 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerBarbara Cross
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection04/20/2022
Emergency Action PlanNot Required

Identifiers

NID IDNE00586
Federal IDNE00586
More InfoState Dam Safety Program

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