Dam Report

W.R. Hamilton No. 2 dam

Wyoming, USA Sage Creek Hazard Low
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Dam height
20ft
Hazard rating
Low
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W.R. Hamilton No. 2 -- None dam
W.R. Hamilton No. 2 None · Sage Creek
About this dam

W.R. Hamilton No. 2

W.R. Hamilton No. 2, also known as Gilbert Lake, is a private irrigation dam located in Converse, Wyoming, near the city of ORPHA. Completed in 1917, this Earth dam stands at a height of 20 feet and has a storage capacity of 667 acre-feet, primarily used for irrigation purposes. Situated on Sage Creek, this structure serves multiple functions including fire protection, stock watering, and small fish pond management.

Despite its longstanding history, W.R. Hamilton No. 2 is currently assessed to be in poor condition, with a low hazard potential. The dam's spillway, with a width of 30 feet, is uncontrolled, presenting some risk factors that require attention. Regular inspections are conducted, with the last inspection taking place in April 2021, to ensure the safety and integrity of the structure. With a moderate risk assessment rating of 3, there is a need for continued monitoring and potentially implementing risk management measures to address any deficiencies.

Located in a picturesque setting in Wyoming, W.R. Hamilton No. 2 serves as a vital water resource for the surrounding area. As water resource and climate enthusiasts, it is important to recognize the significance of maintaining and enhancing the infrastructure to ensure the sustainable use of water for irrigation and other purposes. With proper attention and management, this historic dam can continue to play a crucial role in supporting the local community and ecosystem.

StateNone
River / streamSage Creek
NID IDWY00375
Owner typePrivate
Primary purposeIrrigation
Dam typeEarth
Year built1917
Dam height20 ft
Dam length2,030 ft
Max storage667 AF
Normal storage596 AF
Surface area82.0 ac
Hazard potentialLow
ConditionPoor
Last inspectionMon, 05 Apr 2021 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 W.R. Hamilton No. 2 -- inflows here typically show up in storage 24-72 hours later.

Track W.R. Hamilton No. 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 W.R. Hamilton No. 2

Where does the data for W.R. Hamilton 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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