Noonan Park Dam Reservoir Report

Last Updated: December 13, 2025

Noonan Park Dam, located in Divide County, North Dakota, was completed in 1934 and is primarily used for recreational purposes.


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Summary

The dam, designed by FERA, is an earth dam with a height of 14 feet and a length of 233 feet. It has a storage capacity of 200 acre-feet and covers a surface area of 23 acres. The dam is regulated by the North Dakota State Water Commission and is inspected, permitted, and enforced by state agencies.

With a low hazard potential and a moderate risk assessment rating, Noonan Park Dam poses minimal risk to surrounding areas. The spillway type is uncontrolled, with a width of 33 feet, and there are no associated locks or outlet gates. While the dam's condition assessment is currently listed as "Not Rated," regular inspections and risk management measures are in place to ensure its safety and functionality. The dam's location on Long Creek-TR provides a scenic backdrop for recreational activities and serves as a vital water resource for the local community.

Overall, Noonan Park Dam stands as a testament to early 20th-century engineering and continues to provide essential water storage and recreational opportunities for residents and visitors alike. With its historical significance and ongoing maintenance efforts, the dam remains a valuable asset for water resource and climate enthusiasts interested in the intersection of infrastructure, conservation, and outdoor recreation in North Dakota.

Year Completed

1934

Dam Length

233

Dam Height

14

River Or Stream

LONG CREEK-TR

Primary Dam Type

Earth

Surface Area

23

Drainage Area

6

Nid Storage

200

Outlet Gates

None

Hazard Potential

Low

Foundations

Soil

Nid Height

14
       
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.