Rock Creek Dam

Rock Creek Dam is an earth dam located in Dundy County, Nebraska, built in 1934. It carries a Low hazard potential classification and has a satisfactory condition assessment.

Hazard potentialLowFailure would cause limited damage
ConditionSatisfactoryBest of 4 ratings
Emergency action planNot reported
Last inspection06/21/2023
Height40 ft
Built193492 years ago

Dam profile

NID height · 40 ft
40 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

40 ft tall and 390 ft long, taller than 86% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.

About Rock Creek Dam

The primary purpose of Rock Creek Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nebraska Game & Parks Commission (state). It impounds the Rock Creek near Parks.

The dam stands 40 feet tall and stretches 390 feet across, creates a reservoir covering 49 acres, has a maximum storage capacity of 780 acre-feet, and collects water from a drainage area of 14 square miles. Completed in 1934, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 06/21/2023.

At 40 feet, this dam is taller than 86% of dams nationwide.

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Location

StateNebraska
CountyDundy
Nearest CityParks
River/StreamRock Creek
Coordinates40.08666, -101.76182

Physical Characteristics

Dam TypeEarth
NID Height40 ft
Dam Height39 ft
Dam Length390 ft
Year Completed1934 (92 years old)

Storage & Hydraulics

NID Storage780 acre-ft
Max Storage780 acre-ft
Normal Storage511 acre-ft
Surface Area49 acres
Drainage Area14 sq mi

Ownership & Safety

PurposeRecreation
OwnerNebraska Game & Parks Commission
Owner TypeState
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection06/21/2023
Emergency Action PlanNot Required

Identifiers

NID IDNE00611
Federal IDNE00611
More InfoState Dam Safety Program