Dam Report

Styer #2 dam

Montana, USA Tr-Antelope Creek Hazard Low
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Dam height
24ft
Hazard rating
Low
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Styer #2 -- None dam
Styer #2 None · Tr-Antelope Creek
About this dam

Styer #2

Styer #2, located in Fergus County, Montana, is a privately owned earth dam constructed in 1961 for irrigation purposes on TR-ANTELOPE CREEK. Managed by the Natural Resources Conservation Service, this dam has a height and hydraulic height of 24 feet and a length of 270 feet, with a storage capacity of 285 acre-feet. Despite its low hazard potential, the dam has not been rated for its condition assessment, with the last inspection conducted in 1980.

While Styer #2 plays a crucial role in supporting agricultural activities in the region, its maintenance and monitoring seem to have been limited over the years. With the dam falling under state jurisdiction and regulation by the Montana Department of Natural Resources and Conservation, there is a need for more frequent inspections and assessments to ensure its structural integrity and safety. The dam's proximity to residential areas and its potential impact on the local watershed highlight the importance of proactive risk management measures and emergency preparedness.

As water resources and climate enthusiasts, a closer look at Styer #2 raises concerns about the lack of recent data and assessments regarding its condition and safety. Additionally, with changing climate patterns potentially leading to more extreme weather events, it is crucial to prioritize the maintenance and monitoring of critical infrastructure like Styer #2 to safeguard both agricultural productivity and local communities. Collaboration between private owners, regulatory agencies, and community stakeholders is essential to ensure the long-term resilience of Styer #2 and other similar dams in the face of evolving environmental challenges.

StateNone
River / streamTr-Antelope Creek
NID IDMT02601
Owner typePrivate
Primary purposeIrrigation
Dam typeEarth
Year built1961
Dam height24 ft
Dam length270 ft
Max storage285 AF
Normal storage165 AF
Drainage area2.5 sq mi
Hazard potentialLow
ConditionNot Rated
Last inspectionTue, 01 Jan 1980 12:00:00 GMT

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.
Detailed forecast

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.

Hourly detail

Next 5 days, hour by hour

Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.

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Deep dive

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.

TimeConditionTemp (°F)Snow (in)Rain (in)Humidity (%)Wind (mps)Wind dir
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Long-term outlook

15-day temperature & precipitation

Daily temperatures, snow, and rain projected over the next two weeks.

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Regional inflow

Nearby streamflow gauges

USGS streamgauges around Styer #2 -- inflows here typically show up in storage 24-72 hours later.

Track Styer #2 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.

FAQ

About Styer #2

Where does the data for Styer #2 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.

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Snoflo-tracked reservoirs and dams within driving distance of Styer #2.