Halverson Ranch dam
Halverson Ranch
Halverson Ranch, located in Chouteau, Montana, is a privately owned dam designed by the USDA NRCS for fire protection, stock, and small fish pond purposes. Completed in 1967, this earth dam stands at a height of 30 feet and has a length of 320 feet, with a maximum storage capacity of 71 acre-feet. The dam is situated on Dry Fork Coulee and is regulated by the DNRC, with state permitting, inspection, and enforcement in place to ensure its safety and compliance.
Despite being classified as having a low hazard potential, Halverson Ranch poses a moderate risk due to its location and purpose. The spillway, with a width of 100 feet, is uncontrolled, and the dam has a maximum discharge capacity of 600 cubic feet per second. The risk assessment for this structure is rated as moderate (3), highlighting the need for ongoing monitoring and risk management measures to safeguard against potential hazards. Although the condition assessment is currently listed as "Not Rated," it is essential for the owners to undertake regular inspections and maintenance to ensure the integrity of the dam.
Halverson Ranch serves as a vital resource for fire protection, stock watering, and recreational fishing in the area. With its strategic location and key role in water management, this earth dam underscores the importance of sustainable water resource management practices in the face of changing climate conditions. Enthusiasts and stakeholders alike can appreciate the significance of this structure in enhancing water security and resilience in the region.
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.
- 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.
- 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.
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, environmental 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.
Plan around the weather
Same NOAA / yr.no feed Snoflo's iOS app uses. Watch the precipitation column on the meteogram -- rain on the basin upstream typically lifts inflow 24-72 hours later.
Next 5 days, hour by hour
Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.
5-day forecast table
Every 3 hours, broken out across temperature, snow, rain, humidity, and wind. Each cell is colour-coded relative to the column min/max.
| Time | Condition | Temp (°F) | Snow (in) | Rain (in) | Humidity (%) | Wind (mps) | Wind dir |
|---|---|---|---|---|---|---|---|
| Loading detailed forecast… | |||||||
15-day temperature & precipitation
Daily temperatures, snow, and rain projected over the next two weeks.
Nearby streamflow gauges
USGS streamgauges around Halverson Ranch -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Missouri River At Virgelle Mt | 7,010 cfs | → |
| Teton River At Loma Mt | 26 cfs | → |
| Marias River Near Loma Mt | 504 cfs | → |
| Missouri River At Fort Benton Mt | 6,420 cfs | → |
| Big Sandy Creek Near Havre Mt | 4 cfs | → |
| Judith River Nr Mouth | 425 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Halverson Ranch.
Boat launches
- Coal Banks Landing
- Little Sandy Coulee Rec Site
- Lone Tree Coulee
- Monroe Island
- Eagle Creek Rec Site
- Wood Bottom Recreation Area
Campgrounds
- Coal Banks Landing
- Little Sandy Coulee Rec Site
- Lone Tree Coulee
- Monroe Island
- Eagle Creek Rec Site
- Black Bluff Rapids
Fishing spots
Track Halverson Ranch in the Snoflo app
Save this dam as a favorite and get the local NOAA / yr.no forecast plus regional flow context wherever you are.
About Halverson Ranch
Where does the data for Halverson Ranch come from?
Structural and regulatory data come from the U.S. Army Corps of Engineers' National Inventory of Dams (NID). Weather forecast comes from NOAA / yr.no -- the same feed Snoflo's iOS app uses.
How often is the report updated?
NID structural data refreshes annually as the Corps publishes updated assessments. The weather forecast refreshes throughout the day.
What does the Low hazard rating mean?
The Corps of Engineers' hazard potential classification grades probable consequences if the dam fails: High = probable loss of human life; Significant = no probable loss of human life but possible economic loss / environmental damage; Low = no probable loss of human life, only minor economic / environmental losses. See the Dam Data Reference card above for the full definitions.
What's "% of normal"?
The current storage value compared to the historical average storage on this calendar day. 100% = right on average; values above 100% mean above-normal storage (wet year); values below mean below-normal (dry year or drought).
Can I get alerts when storage crosses a threshold?
Yes -- alerts are managed in the Snoflo iOS app. Favorite this dam, set a threshold, and you'll get a push the moment conditions cross.
Other water bodies near here
Snoflo-tracked reservoirs and dams within driving distance of Halverson Ranch.