J-5 Ranch #3 Reservoir Report
Nearby: David Drum #1 Lonesome
Last Updated: December 5, 2025
J-5 Ranch #3, located in Phillips County, Montana, is a privately owned dam constructed in 1978 for fire protection, stock, and small fish pond purposes.
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Summary
This Earth dam stands at a height of 13 feet and spans a length of 150 feet, with a storage capacity of 113 acre-feet. Situated on TR-White Rock Coulee, this dam serves as a vital resource for the surrounding area, providing water for various uses while also mitigating the risk of potential hazards.
Managed by the Montana Department of Natural Resources and Conservation (DNRC), J-5 Ranch #3 has been deemed to have a low hazard potential, with its condition currently not rated. Despite lacking recent inspection data, the dam is regulated, permitted, inspected, and enforced by the state agency, ensuring its compliance with safety standards. While the dam's Emergency Action Plan status and risk assessment details are not specified, the presence of risk management measures indicates a proactive approach to maintaining the structure's integrity and safeguarding against potential emergencies.
With its strategic location in the Omaha District and its role in providing essential water resources, J-5 Ranch #3 stands as a critical asset for the community of Malta and the surrounding region. As water resource and climate enthusiasts, the details of this dam offer insights into the intersection of infrastructure, natural resources, and regulatory oversight, highlighting the importance of sustainable water management in the face of evolving environmental challenges.
Year Completed |
1978 |
Dam Length |
150 |
Dam Height |
13 |
River Or Stream |
TR-WHITE ROCK COULEE |
Primary Dam Type |
Earth |
Hydraulic Height |
13 |
Nid Storage |
113 |
Hazard Potential |
Low |
Nid Height |
13 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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.
J-5 Ranch #3