Dam Report

Broadbent No. 2 dam

Wyoming, USA Little Byrne Creek Hazard Low
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Dam height
22ft
Hazard rating
Low
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Broadbent No. 2 -- None dam
Broadbent No. 2 None · Little Byrne Creek
About this dam

Broadbent No. 2

Broadbent No. 2, also known as Byrne, is a privately owned dam located in Uinta, Wyoming, specifically in the city of Granger. This earth dam was completed in 1961 and stands at a height of 22 feet, with a hydraulic height of 17 feet and a structural height of 26 feet. The primary purpose of Broadbent No. 2 is for irrigation, specifically for the irrigation of Little Byrne Creek.

Despite its low hazard potential, the dam has been assessed to be in poor condition as of its last inspection in September 2018. It has a normal storage capacity of 120 acre-feet and a maximum storage capacity of 184 acre-feet. The dam has an uncontrolled spillway type with a width of 10 feet and features a slide (sluice gate) outlet gate for water release. The risk assessment for Broadbent No. 2 is considered moderate, with a DSAC assigned date yet to be determined.

Water resource and climate enthusiasts interested in the management and maintenance of dams in Wyoming would find Broadbent No. 2 to be a fascinating case study. With its historical significance dating back to the 1960s and its current condition assessment raising concerns, this dam presents an opportunity for further research and potential risk management measures to ensure the safety and sustainability of water resources in the region.

StateNone
River / streamLittle Byrne Creek
NID IDWY01247
Owner typePrivate
Primary purposeIrrigation
Dam typeEarth
Year built1961
Dam height22 ft
Dam length450 ft
Max storage184 AF
Normal storage120 AF
Surface area16.0 ac
Hazard potentialLow
ConditionPoor
Last inspectionThu, 27 Sep 2018 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 Broadbent No. 2 -- inflows here typically show up in storage 24-72 hours later.

Track Broadbent No. 2 in the Snoflo app

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FAQ

About Broadbent No. 2

Where does the data for Broadbent No. 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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Manage alerts in the Snoflo app

Custom alerts are configured in the iOS app -- favorite this dam, set a threshold, and you'll get a push the moment conditions cross.

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