Ringstveit Reservoir Reservoir Report
Nearby: Beecher #4 Beecher #5
Last Updated: December 6, 2025
Ringstveit Reservoir, located in Rosebud County, Montana, is a privately owned water resource managed by the USDA NRCS.
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Summary
Completed in 1976, this Earth dam reservoir serves multiple purposes including fire protection, stock, and a small fish pond. With a maximum storage capacity of 70 acre-feet and a normal storage level of 46 acre-feet, the reservoir plays a crucial role in water management in the area.
The reservoir, situated on the East Fork Little Porcupine River, has a dam height of 23 feet and a length of 1100 feet. It has a low hazard potential and a moderate risk assessment rating. Despite not having a condition assessment rating, the reservoir is state regulated, inspected, and enforced by the Montana DNRC. The spillway, with a width of 100 feet, is uncontrolled, and the maximum discharge capacity is 1000 cubic feet per second.
For water resource and climate enthusiasts, Ringstveit Reservoir offers a fascinating glimpse into the intricate balance of water management and conservation efforts in Montana. With its strategic location and multi-purpose design, the reservoir serves as a valuable asset for both the local community and the environment, showcasing the importance of sustainable water resource management practices in the region.
Year Completed |
1976 |
Dam Length |
1100 |
Dam Height |
23 |
River Or Stream |
EAST FORK LITTLE PORCUPINE |
Primary Dam Type |
Earth |
Hydraulic Height |
23 |
Drainage Area |
2.81 |
Nid Storage |
70 |
Hazard Potential |
Low |
Nid Height |
23 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Yellowstone River At Forsyth Mt
|
5430cfs |
Yellowstone River At Miles City Mt
|
8100cfs |
Tongue River At Miles City Mt
|
263cfs |
Nelson Creek Near Van Norman Mt
|
33cfs |
Musselshell River At Mosby Mt
|
12cfs |
Flatwillow Creek Near Mosby Mt
|
17cfs |
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.
Ringstveit Reservoir