Dam Report

Sunlight Prop Dam dam

Virginia, USA Hazard Undetermined
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Tonight low
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Dam height
17ft
Hazard rating
Undetermined
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Sunlight Prop Dam -- None dam
Sunlight Prop Dam None
About this dam

Sunlight Prop Dam

Sunlight Prop Dam, located in Warren, Virginia, is a privately owned structure that is regulated by the Department of Conservation and Recreation. This dam stands at a height of 17 feet and has a storage capacity of 66.91 acre-feet, with a normal storage level of 42.71 acre-feet. With a length of 265 feet and a surface area of 7.91 acres, Sunlight Prop Dam plays a crucial role in managing water resources in the region.

Despite its undetermined hazard potential and lack of a condition rating, Sunlight Prop Dam is inspected regularly to ensure its safety and functionality. While the dam's emergency action plan status and risk assessment details are yet to be determined, the structure meets state regulatory requirements for permitting, inspection, and enforcement. With its location in the Norfolk District and oversight by the Virginia state agency, Sunlight Prop Dam serves as a vital component in the water management infrastructure of the area.

For water resource and climate enthusiasts, Sunlight Prop Dam presents an intriguing case study in private ownership and state regulation of critical water infrastructure. With its modest dimensions but significant storage capacity, this dam exemplifies the importance of maintaining and monitoring such structures to ensure the safety and sustainability of water resources in the region. As efforts continue to assess and manage the potential risks associated with the dam, its role in water management and conservation remains paramount in the ongoing dialogue around sustainable water resource management and climate resilience.

StateNone
NID IDVA187016
Owner typePrivate
Dam height17 ft
Dam length265 ft
Max storage67 AF
Normal storage43 AF
Surface area7.9 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 Sunlight Prop Dam -- inflows here typically show up in storage 24-72 hours later.

Track Sunlight Prop Dam in the Snoflo app

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FAQ

About Sunlight Prop Dam

Where does the data for Sunlight Prop 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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Premium feature

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Manage alerts in the Snoflo app

Custom alerts are configured in the iOS app -- favorite this dam, set a threshold, and you'll get a push the moment conditions cross.

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