Dam Report

Little Robber Det. Dam X dam

Wyoming, USA Little Robbers Gulch Hazard High
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Tonight low
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Dam height
48ft
Hazard rating
High
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Little Robber Det. Dam X -- None dam
Little Robber Det. Dam X None · Little Robbers Gulch
About this dam

Little Robber Det. Dam X

Little Robber Det. Dam X, located in Carbon County, Wyoming, serves as a critical debris control structure along the Little Robbers Gulch. Owned and regulated by the Bureau of Land Management, this gravity dam stands at a hydraulic height of 36 feet and a structural height of 48 feet, with a storage capacity of 402 acre-feet. Completed in 1953, it plays a pivotal role in managing water resources and ensuring flood protection in the region.

Despite its essential role, Little Robber Det. Dam X is currently rated as having a high hazard potential and poor condition. With a risk assessment of 2 (out of 3), the dam requires immediate attention and maintenance to mitigate potential safety risks and ensure its long-term effectiveness. The last inspection in August 2020 highlighted the need for improvements, presenting a clear call to action for stakeholders and authorities to address the dam's structural issues and bolster its resilience in the face of climate challenges.

As water resource and climate enthusiasts, it is crucial to recognize the significance of structures like Little Robber Det. Dam X in safeguarding communities and ecosystems. By prioritizing maintenance and risk management measures, we can ensure the continued protection of vital water resources and the resilience of our infrastructure in the face of a changing climate.

StateNone
River / streamLittle Robbers Gulch
NID IDWY01475
Owner typeFederal
Primary purposeDebris Control
Dam typeGravity
Year built1953
Dam length765 ft
Max storage402 AF
Normal storage51 AF
Surface area37.0 ac
Drainage area8.1 sq mi
Hazard potentialHigh
ConditionPoor
Last inspectionTue, 04 Aug 2020 00:00:00 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 Little Robber Det. Dam X -- inflows here typically show up in storage 24-72 hours later.

Track Little Robber Det. Dam X 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 Little Robber Det. Dam X

Where does the data for Little Robber Det. Dam X 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.

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