Dam Report

Yadkin Falls dam

North Carolina, USA Yadkin Hazard High
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Dam height
74ft
Hazard rating
High
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Yadkin Falls                                                      -- None dam
Yadkin Falls None · Yadkin
About this dam

Yadkin Falls

Yadkin Falls, also known as Falls Lake, is a captivating site located in Montgomery, North Carolina, along the scenic Yadkin River. This private hydroelectric dam, completed in 1919, stands at an impressive height of 120 feet and boasts a gravity design with a multi-arch core and rock foundation. With a storage capacity of 2,875 acre-feet and a maximum discharge of 415,000 cubic feet per second, Yadkin Falls not only serves as a vital source of hydroelectric power but also offers recreational opportunities for visitors.

Managed by the Federal Energy Regulatory Commission, Yadkin Falls is inspected regularly to ensure its structural integrity and operational efficiency. The dam features a controlled spillway with a width of 394 feet and is equipped with various outlet gates, including slide gates, tainter gates, and vertical lift gates. While the hazard potential of the dam is classified as high, the risk assessment indicates a very high level of risk, emphasizing the importance of effective risk management measures to safeguard the surrounding community in the event of an emergency.

As a key player in water resource management and climate resilience, Yadkin Falls exemplifies the intersection of environmental stewardship and energy production. With its rich history, impressive engineering, and strategic location in the Wilmington District, this hydroelectric facility continues to play a crucial role in meeting the region's power needs while balancing the demands of recreation and safety. As enthusiasts of water resources and climate adaptation, Yadkin Falls offers a fascinating case study in sustainable infrastructure development and risk mitigation strategies.

StateNone
River / streamYadkin
NID IDNC00548
Owner typePrivate
Primary purposeHydroelectric
Dam typeGravity
Year built1919
Dam height74 ft
Dam length748 ft
Max storage2,875 AF
Normal storage1,840 AF
Surface area204.0 ac
Drainage area4,190.0 sq mi
Hazard potentialHigh
ConditionNot Available
Last inspectionWed, 30 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 Yadkin Falls -- inflows here typically show up in storage 24-72 hours later.

Track Yadkin Falls 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 Yadkin Falls

Where does the data for Yadkin Falls 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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