Dam Report

Willow Creek Bor Mt - Dike 2 dam

Montana, USA Willow Creek Hazard High
Today high
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Tonight low
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Dam height
4ft
Hazard rating
High
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Willow Creek Bor Mt - Dike 2 -- None dam
Willow Creek Bor Mt - Dike 2 None · Willow Creek
About this dam

Willow Creek Bor Mt - Dike 2

Located in Lewis and Clark County, Montana, Willow Creek Bor Mt - Dike 2 is a federal-owned irrigation dam completed in 1941 by the Bureau of Reclamation. With a primary purpose of providing irrigation, this Earth dam stands at a height of 4 feet and a length of 60 feet, holding a maximum storage capacity of 39,800 acre-feet. The dam is situated on the Willow Creek, managed by the Walla Walla District of the U.S. Army Corps of Engineers, and falls under the jurisdiction of the DOI BR.

Despite its critical role in irrigation, Willow Creek Bor Mt - Dike 2 poses a high hazard potential due to its condition assessment being listed as "Not Available." The dam has not undergone recent inspections, with the last one conducted in June 2020. It is essential to prioritize safety measures and risk assessment for this structure to prevent any potential hazards and ensure the efficient operation of the irrigation system it supports. As a significant water resource in the area, the dam's maintenance and upkeep are crucial for sustaining agricultural activities and preserving the local ecosystem.

StateNone
River / streamWillow Creek
NID IDMT00577
Owner typeFederal
Primary purposeIrrigation
Dam typeEarth
Year built1941
Dam height4 ft
Dam length60 ft
Max storage39,800 AF
Normal storage32,300 AF
Hazard potentialHigh
ConditionNot Available
Last inspectionWed, 24 Jun 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 Willow Creek Bor Mt - Dike 2 -- inflows here typically show up in storage 24-72 hours later.

Track Willow Creek Bor Mt - Dike 2 in the Snoflo app

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FAQ

About Willow Creek Bor Mt - Dike 2

Where does the data for Willow Creek Bor Mt - Dike 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 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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