Dam Report

Nottoway Falls Dam dam

Virginia, USA Nottoway River Mainstem - Vahu6 Cu04 Nottoway River - Falls Creek Hazard Significant
Today high
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Tonight low
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Dam height
15ft
Hazard rating
Significant
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Nottoway Falls Dam -- None dam
Nottoway Falls Dam None · Nottoway River Mainstem - Vahu6 Cu04 Nottoway River - Falls Creek
About this dam

Nottoway Falls Dam

Nottoway Falls Dam, also known as "The Falls," is a concrete structure located in Victoria, Virginia, owned by the local government. This dam serves a primary purpose of water supply and also supports recreational activities in the area. Standing at a height of 15 feet with a length of 187 feet, the dam creates a reservoir with a maximum storage capacity of 250 acre-feet and a normal storage capacity of 180 acre-feet, covering a surface area of 27.8 acres and draining a watershed area of 59.2 square miles.

Managed and regulated by the Department of Conservation and Recreation in Virginia, Nottoway Falls Dam has been assessed to have a significant hazard potential but is currently in fair condition based on the latest inspection in September 2020. The dam lacks certain safety features such as an Emergency Action Plan (EAP) and inundation maps, which are crucial for risk assessment and management in case of emergencies. With a designated inspection frequency of once a year, the dam plays a critical role in water resource management and climate resilience in the region.

Located on the Nottoway River mainstem, Nottoway Falls Dam is a key infrastructure for ensuring a stable water supply while also providing opportunities for recreation. As climate change continues to impact water resources, it becomes increasingly important to monitor and maintain dams like Nottoway Falls to mitigate risks and ensure the safety and sustainability of water management systems in the area.

StateNone
River / streamNottoway River Mainstem - Vahu6 Cu04 Nottoway River - Falls Creek
NID IDVA111005
Owner typeLocal Government
Primary purposeWater Supply
Dam typeConcrete
Dam height15 ft
Dam length187 ft
Max storage250 AF
Normal storage180 AF
Surface area27.8 ac
Drainage area59.2 sq mi
Hazard potentialSignificant
ConditionFair
Last inspectionThu, 24 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 Nottoway Falls Dam -- inflows here typically show up in storage 24-72 hours later.

Track Nottoway Falls 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 Nottoway Falls Dam

Where does the data for Nottoway Falls 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 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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