Wittwer Dam 2543 Reservoir Report

Last Updated: December 13, 2025

Wittwer Dam 2543, located in Richardson, Nebraska, is a privately owned earth dam designed by the USDA NRCS and completed in 2000 for the primary purpose of flood risk reduction along the TR-DEER BRANCH river or stream.


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Summary

This 20-foot tall dam with a length of 690 feet has a storage capacity of 82 acre-feet and serves to mitigate potential flooding in the area. The dam is under the regulatory oversight of the Nebraska Department of Natural Resources and undergoes regular inspections to ensure its satisfactory condition and low hazard potential.

Managed by the private owner, Wittwer Dam 2543 is situated within the Omaha District and falls under the jurisdiction of the NE DNR for state regulation, permitting, inspection, and enforcement. With a history of satisfactory condition assessments and a low hazard potential, this dam serves as a crucial infrastructure for flood risk reduction in the region. Despite having no spillway and limited structural details, the dam's design and purpose align with its operational efficiency and overall risk management measures, making it a significant asset for water resource and climate enthusiasts interested in sustainable infrastructure development and management.

Year Completed

2000

Dam Length

690

Dam Height

18

River Or Stream

TR-DEER BRANCH

Primary Dam Type

Earth

Surface Area

4

Hydraulic Height

17

Drainage Area

0.5

Nid Storage

82

Structural Height

20

Hazard Potential

Low

Foundations

Soil

Nid Height

20
       
Seasonal Comparison

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Dam Data Reference

Condition Assessment

Satisfactory
No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.

Hazard Potential Classification

High
Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.