Cass County Road Dam 36cb-12-11

Cass County Road Dam 36cb-12-11 is an earth dam located in Cass County, Nebraska, built in 1994. It carries a Significant hazard potential classification and has a fair condition assessment.

About Cass County Road Dam 36cb-12-11

The primary purpose of Cass County Road Dam 36cb-12-11 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 32 feet tall and stretches 857 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 155 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1994, the structure is 32 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 04/01/2021.

At 32 feet, this dam is taller than 76% of dams nationwide.

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Significant HazardFair ConditionEmergency Action Plan: Not Required

Location

StateNebraska
CountyCass
Nearest CityLouisville
River/StreamTr-mill Creek
Coordinates40.96345, -96.13979

Physical Characteristics

Dam TypeEarth
NID Height32 ft
Dam Height32 ft
Dam Length857 ft
Year Completed1994 (32 years old)

Storage & Hydraulics

NID Storage155 acre-ft
Max Storage155 acre-ft
Normal Storage53 acre-ft
Surface Area10 acres
Drainage Area0 sq mi
Max Discharge242 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerLower Platte South Natural Resources District
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection04/01/2021
Emergency Action PlanNot Required

Identifiers

NID IDNE02398
Federal IDNE02398
More InfoState Dam Safety Program

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