Dam Report

Amelia County Dam # 20 dam

Virginia, USA Hazard Undetermined
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Tonight low
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Dam height
29ft
Hazard rating
Undetermined
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Amelia County Dam # 20 -- None dam
Amelia County Dam # 20 None
About this dam

Amelia County Dam # 20

Amelia County Dam #20 is a state-regulated dam located in Amelia, Virginia, with a height of 28.5 feet and a storage capacity of 107.96 acre-feet. The dam, situated in the Norfolk District, is owned by an unspecified party and is under the jurisdiction of the Department of Conservation and Recreation. Despite being classified as "Undetermined" in terms of hazard potential and "Not Rated" in condition assessment, the dam undergoes regular inspections and is equipped with emergency action plans to ensure public safety in case of any unforeseen events.

Although specifics on the dam's construction date, purpose, and design are not provided, its critical role in water resource management in Amelia County is evident through its storage capacity and regulated status. As climate change continues to impact water resources, dams like Amelia County Dam #20 play a crucial role in mitigating flood risks, ensuring water supply reliability, and supporting ecosystem health. The presence of state oversight and inspection protocols indicates a commitment to maintaining the dam's structural integrity and operational readiness for the community it serves.

In the absence of detailed information on the dam's history and modifications, there remains a level of uncertainty regarding its risk assessment and management measures. However, the proactive approach to emergency preparedness and state regulation suggests a commitment to addressing potential safety concerns and ensuring the continued functionality of Amelia County Dam #20. For water resource and climate enthusiasts, this dam serves as a focal point for understanding the intersection of infrastructure, regulation, and environmental stewardship in safeguarding water resources for future generations.

StateNone
NID IDVA007032
Owner typeNot Listed
Dam height29 ft
Dam length475 ft
Max storage108 AF
Normal storage64 AF
Surface area6.7 ac
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 Amelia County Dam # 20 -- inflows here typically show up in storage 24-72 hours later.

Track Amelia County Dam # 20 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 Amelia County Dam # 20

Where does the data for Amelia County Dam # 20 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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