Dam Report

Samaria No 2 Upper dam

Idaho, USA Malad River Bear River Hazard Significant
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Dam height
46ft
Hazard rating
Significant
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Samaria No 2 Upper -- None dam
Samaria No 2 Upper None · Malad River Bear River
About this dam

Samaria No 2 Upper

Samaria No 2 Upper, also known as Pleasantview Upper, is a privately owned dam located in Oneida, Idaho. Built in 1947, this earth dam stands at a height of 45.9 feet and has a storage capacity of 700 acre-feet. Situated along the Malad River and Bear River, it serves multiple purposes, including flood control and irrigation for the surrounding area. With a significant hazard potential and fair condition assessment, the dam is regularly inspected and maintained by the Idaho Department of Water Resources to ensure its structural integrity and safety.

Managed by the Sacramento District of the US Army Corps of Engineers, Samaria No 2 Upper plays a crucial role in regulating water flow and providing essential resources for the local community. The dam's uncontrolled spillway and moderate risk assessment highlight the importance of proper monitoring and emergency preparedness measures. Its location in a high-risk area underscores the need for continued attention to its maintenance and risk management to prevent potential disasters and safeguard the region's water resources and climate resilience.

As a key component of the water infrastructure in the area, Samaria No 2 Upper serves as a vital link in the water supply chain, supporting agricultural activities and environmental sustainability. With its historical significance and ongoing regulatory oversight by the Idaho Department of Water Resources, the dam represents a critical piece of the region's water resource management strategy. By maintaining a proactive approach to risk assessment and emergency response planning, stakeholders can ensure the long-term viability of this essential water resource infrastructure for future generations of water resource and climate enthusiasts.

StateNone
River / stream Malad River Bear River
NID IDID00004
Owner typePrivate
Primary purposeOther
Year built1947
Dam height46 ft
Dam length390 ft
Normal storage700 AF
Surface area47.0 ac
Drainage area6.6 sq mi
Hazard potentialSignificant
ConditionFair
Last inspectionTue, 16 May 2017 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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Track Samaria No 2 Upper in the Snoflo app

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FAQ

About Samaria No 2 Upper

Where does the data for Samaria No 2 Upper 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 Significant 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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