Dam Report

Squaw Creek dam

Idaho, USA Squaw Creek Payne Creek Hazard High
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Tonight low
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Dam height
61ft
Hazard rating
High
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Squaw Creek -- None dam
Squaw Creek None · Squaw Creek Payne Creek
About this dam

Squaw Creek

Squaw Creek, located in Owyhee, Idaho, is a privately owned water resource managed for irrigation purposes. The dam, completed in 1968, stands at a height of 61 feet and has a hydraulic height of 53.3 feet. With a storage capacity of 1140 acre-feet and a drainage area of 11 square miles, Squaw Creek is a vital water source for agricultural activities in the region.

Despite being regulated by the Idaho Department of Water Resources and regularly inspected, Squaw Creek poses a high hazard potential due to its uncontrolled spillway type and fair condition assessment. The dam, primarily made of earth with stone core types and rock and soil foundations, requires frequent monitoring to ensure the safety of surrounding areas in the event of a potential emergency. The risk assessment for Squaw Creek is moderate, highlighting the importance of ongoing risk management measures to safeguard against any potential threats to the dam's integrity.

Water resource and climate enthusiasts interested in the management and sustainability of water infrastructure will find Squaw Creek to be a fascinating case study. With its historical significance as an irrigation source and the ongoing efforts to mitigate risks and ensure safety, Squaw Creek exemplifies the complex interplay between human intervention and natural water systems in the face of changing environmental conditions.

StateNone
River / stream Squaw Creek Payne Creek
NID IDID00236
Owner typePrivate
Primary purposeIrrigation
Year built1968
Dam height61 ft
Dam length850 ft
Normal storage1,140 AF
Surface area72.0 ac
Drainage area11.0 sq mi
Hazard potentialHigh
ConditionFair
Last inspectionTue, 15 Sep 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 Squaw Creek -- inflows here typically show up in storage 24-72 hours later.

Track Squaw Creek 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 Squaw Creek

Where does the data for Squaw Creek 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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