Herz Pohlmeier Dam Reservoir Report

Last Updated: December 5, 2025

Herz Pohlmeier Dam, located in Nebraska along Moorehouse Creek, is a privately owned structure designed by the USDA NRCS and regulated by the NE DNR.


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Summary

Completed in 1968, this earth-type dam stands at a height of 32 feet and has a storage capacity of 373 acre-feet, serving purposes such as flood risk reduction and others. With a low hazard potential and a condition assessment that is not rated, the dam plays a critical role in managing water resources in the Nuckolls County area.

Despite its age, Herz Pohlmeier Dam continues to be inspected regularly, with the last assessment conducted in June 2016. The dam's location in DEWEESE, Nebraska, makes it a key infrastructure for water management in the region, with a maximum discharge capacity of 545 cubic feet per second. The dam's design, with a stone core and soil foundation, ensures its structural integrity and ability to withstand hydraulic pressures, contributing to its overall effectiveness in flood risk mitigation and water storage.

With its important role in regulating water flow and managing flood risks, Herz Pohlmeier Dam stands as a testament to the collaboration between private owners and government agencies in maintaining water infrastructure. As climate change continues to impact water resources, dams like Herz Pohlmeier play a crucial role in safeguarding communities and ecosystems against the threats of extreme weather events and changing hydrological patterns.

Year Completed

1968

Dam Length

485

Dam Height

32

River Or Stream

MOOREHOUSE CREEK

Primary Dam Type

Earth

Surface Area

13

Hydraulic Height

30

Drainage Area

3.02

Nid Storage

373

Structural Height

35

Hazard Potential

Low

Foundations

Soil

Nid Height

35
       
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.