Middle Br. Park River #5 Reservoir Report

Last Updated: December 7, 2025

Middle Br.


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Summary

Park River #5, also known as Charles Zahradka Dam or Langerud Dam, is a crucial flood risk reduction structure located in Walsh County, North Dakota. Owned and regulated by the local government, this earth-type dam was designed by the USDA NRCS and completed in 2006. Standing at a height of 76.7 feet with a length of 900 feet, it plays a significant role in protecting the surrounding area from potential flooding events.

With a storage capacity of 5,798 acre-feet, Middle Br. Park River #5 serves as a vital resource for managing water levels in the Middle Branch Park River. The dam's spillway, with a width of 200 feet, helps regulate water flow during periods of high discharge. While it has a significant hazard potential, the dam is currently in a condition assessment of "Not Rated," emphasizing the importance of regular inspections and maintenance to ensure its continued effectiveness in flood risk reduction.

The dam's location in a moderate-risk area underscores the importance of proper risk management measures and emergency preparedness. With its critical role in protecting the community from flooding, Middle Br. Park River #5 stands as a testament to the collaborative efforts of local and federal agencies in safeguarding water resources and mitigating the impact of climate-related challenges.

Year Completed

2006

Dam Length

900

Dam Height

76.7

River Or Stream

MIDDLE BRANCH PARK RIVER

Primary Dam Type

Earth

Surface Area

37.9

Drainage Area

82

Nid Storage

5798

Structural Height

86.7

Outlet Gates

None

Hazard Potential

Significant

Foundations

Soil

Nid Height

87
       
Seasonal Comparison

Weather Forecast

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.