Nevada Creek Dam dam
Nevada Creek Dam
Nevada Creek Dam, located in Helmville, Montana, is a state-regulated irrigation dam completed in 1938 on the Nevada Creek. The dam stands at a height of 105 feet with a hydraulic height of 88 feet, serving the primary purpose of irrigation for the surrounding area. With a storage capacity of 15,903 acre-feet and a drainage area of 145 square miles, the dam plays a crucial role in water resource management in Powell County.
The dam's uncontrolled spillway, with a width of 100 feet, is designed to handle a maximum discharge of 16,800 cubic feet per second. Despite being classified as having a high hazard potential, the dam's condition assessment in 2018 deemed it satisfactory. Regular inspections, with a frequency of every 5 years, ensure the safety and integrity of the structure. Additionally, the dam has an emergency action plan in place, although details regarding its preparation and adherence to guidelines are not specified in the data.
Overall, Nevada Creek Dam serves as a vital infrastructure for irrigation and water management in the region, with a moderate risk assessment rating. Its strategic location and design contribute to the efficient utilization of water resources while ensuring the safety of the surrounding community.
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 Nevada Creek Dam -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Nevada Cr Ab Reservoir | 27 cfs | → |
| Blackfoot R Ab Nevada Cr Nr Helmville Mt | 765 cfs | → |
| Clark Fork At Goldcreek Mt | 380 cfs | → |
| Nf Blackfoot R Ab Dry Gulch Nr Ovando Mt | 824 cfs | → |
| Little Blackfoot River Near Garrison Mt | 153 cfs | → |
| Flint Creek Near Drummond Mt | 11 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Nevada Creek Dam.
Campgrounds
- Moose Creek Campground (Free)
- Hooper Park
- Browns Lake Fas
- Aspen Grove Campground
- Aspen Grove Group Use Campground
- Harry Morgan Fas
Fishing spots
More reservoirs
Track Nevada Creek Dam 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 Nevada Creek Dam
Where does the data for Nevada Creek Dam 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 High 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 Nevada Creek Dam.