Griess Lagoon Dam

Griess Lagoon Dam is an earth dam located in Clay County, Nebraska, built in 1970. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Griess Lagoon Dam

Griess Lagoon Dam is a dam in Clay, Nebraska. The dam is owned by Curtis O Griess (private). It impounds the Tr-school Creek near Mccool Junction.

The dam stands 24 feet tall and stretches 800 feet across, creates a reservoir covering 5 acres, and has a maximum storage capacity of 86 acre-feet. Completed in 1970, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 06/13/2022.

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Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateNebraska
CountyClay
Nearest CityMccool Junction
River/StreamTr-school Creek
Coordinates40.65125, -97.84233

Physical Characteristics

Dam TypeEarth
NID Height24 ft
Dam Height24 ft
Dam Length800 ft
Year Completed1970 (56 years old)

Storage & Hydraulics

NID Storage86 acre-ft
Max Storage86 acre-ft
Normal Storage76 acre-ft
Surface Area5 acres

Ownership & Safety

PurposeOther
OwnerCurtis O Griess
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection06/13/2022
Emergency Action PlanNot Required

Identifiers

NID IDNE03215
Federal IDNE03215
More InfoState Dam Safety Program

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