Mill Creek Road Dam 7

Mill Creek Road Dam 7 is an earth dam located in Cass County, Nebraska, built in 1994. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Mill Creek Road Dam 7

The primary purpose of Mill Creek Road Dam 7 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 Lower Platte South Natural Resources District (local government). It impounds the Tr-mill Creek near Louisville.

The dam stands 49 feet tall and stretches 570 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 213 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1994, the structure is 32 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 05/01/2024.

At 49 feet, this dam is taller than 92% of dams nationwide.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Nebraska dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNebraska
CountyCass
Nearest CityLouisville
River/StreamTr-mill Creek
Coordinates40.98446, -96.15891

Physical Characteristics

Dam TypeEarth
NID Height49 ft
Dam Height41 ft
Dam Length570 ft
Year Completed1994 (32 years old)

Storage & Hydraulics

NID Storage213 acre-ft
Max Storage213 acre-ft
Normal Storage42 acre-ft
Surface Area6 acres
Drainage Area0 sq mi
Max Discharge5,706 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerLower Platte South Natural Resources District
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection05/01/2024
Emergency Action PlanYes

Identifiers

NID IDNE02399
Federal IDNE02399
More InfoState Dam Safety Program

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