Dam Report

Lower Spectacular Bid Drive Dam dam

Virginia, USA Limestone Branch Tributary. Hazard Undetermined
Today high
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Tonight low
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Dam height
25ft
Hazard rating
Undetermined
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Lower Spectacular Bid Drive Dam -- None dam
Lower Spectacular Bid Drive Dam None · Limestone Branch Tributary.
About this dam

Lower Spectacular Bid Drive Dam

Lower Spectacular Bid Drive Dam in Loudoun, Virginia, is a privately owned earth dam primarily used for recreation purposes. Standing at a height of 25 feet and stretching over 546 feet in length, this dam holds a storage capacity of 61.2 acre-feet along the Limestone Branch tributary. Despite being regulated and inspected by the Department of Conservation and Recreation, its hazard potential and condition assessment remain undetermined and not rated, respectively.

While the dam's emergency action plan status and risk assessment are unclear, its location within the Baltimore District under the representation of Jennifer Wexton (D) highlights its significance in water resource management and climate resilience efforts. With its recreational purpose and scenic surroundings, Lower Spectacular Bid Drive Dam serves as a valuable asset for water enthusiasts and environmental advocates alike. As its risk management measures and inundation maps are yet to be fully assessed, further attention and collaboration are essential to ensure its safety and sustainability in the face of changing climate conditions.

StateNone
River / streamLimestone Branch Tributary.
NID IDVA107071
Owner typePrivate
Primary purposeRecreation
Dam typeEarth
Dam height25 ft
Dam length546 ft
Max storage61 AF
Hazard potentialUndetermined
ConditionNot Rated

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 Lower Spectacular Bid Drive Dam -- inflows here typically show up in storage 24-72 hours later.

Track Lower Spectacular Bid Drive Dam 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 Lower Spectacular Bid Drive Dam

Where does the data for Lower Spectacular Bid Drive Dam 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 Undetermined 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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