Lake Jefferson Dam dam
Lake Jefferson Dam
Lake Jefferson Dam, also known as Presidential Lake Dam, stands as a private water resource marvel in King George, Virginia. Situated along the picturesque Popcastle Creek, this earth dam serves primarily for recreation, boasting a structural height of 33.6 feet and a storage capacity of 343 acre-feet. Its significant hazard potential is well managed, evident in its satisfactory condition assessment during the last inspection in July 2019.
Managed by the Department of Conservation and Recreation in Virginia, Lake Jefferson Dam presents a vital piece of infrastructure for water enthusiasts and climate aficionados alike. With a storage capacity of 213 acre-feet for normal operations, this dam offers a serene retreat for locals and visitors to enjoy its 19-acre surface area. Despite its significant hazard potential, the dam's regulatory and inspection protocols ensure its safety and continued recreational benefits for the community.
Nestled within the Baltimore District, Lake Jefferson Dam represents a harmonious blend of engineering excellence and environmental stewardship. Its location in the scenic King George County, Virginia, underlines its importance as a key water resource for the region. With its history shrouded in mystery regarding its completion year, the dam stands as a testament to sustainable water management practices and serves as a valuable asset for both recreation and conservation efforts in the area.
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 Lake Jefferson Dam -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Rappahannock River Near Fredericksburg | 243 cfs | → |
| Aquia Creek Near Garrisonville | 10 cfs | → |
| Mattaponi River Near Bowling Green | 34 cfs | → |
| Po River Near Spotsylvania | 5 cfs | → |
| Zekiah Swamp Run Near Newtown | 3 cfs | → |
| S F Quantico Creek Near Independent Hill | 1 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Lake Jefferson Dam.
Boat launches
- Old Wharf Road King George County
- Friendship Landing Road 4701, Charles County
- County Road 639 1302, Stafford County
- Charles County
- Elys Ford Road Spotsylvania County
- Southlake Drive 9505, Spotsylvania County
Campgrounds
- Champs Rv Military - A P Hill
- Smallwood State Park Youth Group Campsite
- Smallwood State Park
- Campground 3
- Lunga Park Military - Quantico Mcb
- Campsite #6
Fishing spots
Track Lake Jefferson 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.
About Lake Jefferson Dam
Where does the data for Lake Jefferson 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.
Other water bodies near here
Snoflo-tracked reservoirs and dams within driving distance of Lake Jefferson Dam.