King William County Dam #10 dam
King William County Dam #10
King William County Dam #10, located in Virginia, is a state-regulated structure with a height of 17.5 feet and a storage capacity of 181.9 acre-feet. The dam, built by the Norfolk District of the US Army Corps of Engineers, serves an important role in water resource management in the region. While the dam's primary purpose is not listed, it is designed to store water for various uses and is subject to state permitting, inspection, and enforcement by the Department of Conservation and Recreation.
Despite being labeled as having an "undetermined" hazard potential and a "not rated" condition assessment, King William County Dam #10 continues to play a crucial role in controlling water flow and providing storage in the area. Situated within the picturesque King William County, the dam stands at 17.5 feet tall and spans 350 feet in length. Its location at a latitude of 37.6377 and longitude of -77.0002 makes it a key landmark in the region, with a normal storage capacity of 129.03 acre-feet and a surface area of 25.3 acres.
As water resource and climate enthusiasts explore the intricacies of dam infrastructure, King William County Dam #10 offers a unique case study in state-regulated dam management. With its association with the Department of Conservation and Recreation and state jurisdiction over its operation, the dam serves as a focal point for understanding the complexities of water resource governance in Virginia. Despite its undetermined hazard potential, the dam's role in water storage and control remains vital for the region's water supply and management efforts.
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.
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.
Next 5 days, hour by hour
Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.
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.
| Time | Condition | Temp (°F) | Snow (in) | Rain (in) | Humidity (%) | Wind (mps) | Wind dir |
|---|---|---|---|---|---|---|---|
| Loading detailed forecast… | |||||||
15-day temperature & precipitation
Daily temperatures, snow, and rain projected over the next two weeks.
Nearby streamflow gauges
USGS streamgauges around King William County Dam #10 -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Totopotomoy Creek Near Studley | 2 cfs | → |
| Chickahominy River Near Providence Forge | 21 cfs | → |
| Dragon Swamp At Mascot | 13 cfs | → |
| Piscataway Creek Near Tappahannock | 13 cfs | → |
| Mattaponi River Near Beulahville | 47 cfs | → |
| Pamunkey River Near Hanover | 86 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near King William County Dam #10.
Track King William County Dam #10 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.
About King William County Dam #10
Where does the data for King William County Dam #10 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.
Other water bodies near here
Snoflo-tracked reservoirs and dams within driving distance of King William County Dam #10.