Rath Wpa Wetland Reservoir Report

Last Updated: December 13, 2025

Rath Wpa Wetland, located in North Dakota, is a federal-owned wetland with a low hazard potential and a very high risk assessment rating.


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Summary

This Earth dam, completed in 1993, has a height of 9.5 feet and a length of 1100 feet, providing a storage capacity of 503 acre-feet. The wetland covers a surface area of 79 acres and has a drainage area of 13.94 square miles, making it an important resource for water conservation and flood control in the region.

Managed by the US Fish and Wildlife Service, Rath Wpa Wetland is regulated by the North Dakota State Water Commission. The wetland is equipped with a controlled spillway, vertical lift outlet gates, and stone core types for structural support. While the wetland has not been rated for its condition assessment, it is regularly inspected, permitted, and enforced to ensure its functionality and safety. Despite its remote location in Burleigh County, the wetland plays a crucial role in mitigating the impacts of climate change and preserving the local ecosystem.

Overall, Rath Wpa Wetland serves as a vital resource for water management and conservation efforts in North Dakota. With its strategic design and regulatory oversight, the wetland contributes to the sustainable utilization of water resources and protection of the surrounding environment. As climate change continues to pose challenges, the wetland stands as a resilient and essential asset for addressing water-related issues in the region.

Year Completed

1993

Dam Length

1100

Dam Height

9.5

River Or Stream

APPLE CREEK-TR

Primary Dam Type

Earth

Surface Area

79

Drainage Area

13.94

Nid Storage

503

Outlet Gates

Vertical Lift - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

10
       
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.