Squiggles #2 Reservoir Report
Nearby: Squiggles #1 Castor (Choteau)
Last Updated: December 5, 2025
Squiggles #2 is a privately owned earth dam located in Loma, Montana, on the Sheep Coulee river.
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Summary
Built in 1965, it serves multiple purposes including fire protection, stock water, and a small fish pond. The dam stands at a height of 15 feet and has a length of 1000 feet, providing a storage capacity of 78 acre-feet. With a low hazard potential and a condition assessment of "Not Rated," the dam is regulated and inspected by the Montana Department of Natural Resources and Conservation (DNRC).
Despite its simple design and low hazard potential, Squiggles #2 plays a crucial role in water resource management in Chouteau County, Montana. The dam's storage capacity of 78 acre-feet ensures a reliable water supply for fire protection and agricultural activities in the area. Located in Congressional District 00, the dam is under the jurisdiction of the state and subject to regular inspection and enforcement to ensure its structural integrity and safety.
Water resource and climate enthusiasts will appreciate Squiggles #2 as an example of a small but important infrastructure project that contributes to water security in rural Montana. As the dam continues to serve its primary purposes and provide essential water resources to the local community, it highlights the significance of sustainable water management practices in the face of changing climate conditions and increasing water demand.
Year Completed |
1965 |
Dam Length |
1000 |
Dam Height |
15 |
River Or Stream |
SHEEP COULEE |
Primary Dam Type |
Earth |
Hydraulic Height |
15 |
Nid Storage |
78 |
Hazard Potential |
Low |
Nid Height |
15 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Marias River Near Loma Mt
|
335cfs |
Teton River At Loma Mt
|
30cfs |
Marias River Near Chester Mt
|
249cfs |
Missouri River At Fort Benton Mt
|
4720cfs |
Missouri River At Virgelle Mt
|
4290cfs |
Teton River Near Dutton Mt
|
83cfs |
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.
Squiggles #2