Nvcc Annandale Campus Dam dam
Nvcc Annandale Campus Dam
The Nvcc Annandale Campus Dam, located in Fairfax, Virginia, along the TR-Accotink Creek, serves as a critical structure for flood risk reduction and recreational purposes. Owned by the state and regulated by the Department of Conservation and Recreation, this earth dam stands at a height of 28.9 feet and has a storage capacity of 24 acre-feet. With a surface area of 2 acres and a drainage area of 0.04 square miles, the dam plays a significant role in managing water resources in the area.
Despite its significant hazard potential, the Nvcc Annandale Campus Dam has been assessed as being in satisfactory condition as of the last inspection in October 2020. The dam's emergency action plan (EAP) was last revised in August 2010, indicating a need for updated emergency response protocols. With a designated inspection frequency of once per year, the dam continues to be monitored to ensure its structural integrity and readiness to mitigate potential risks.
The Nvcc Annandale Campus Dam stands as a vital infrastructure not only for flood risk reduction but also for providing recreational opportunities in the area. With its strategic location and state regulation, the dam plays a crucial role in water resource management along the TR-Accotink Creek, highlighting the importance of ongoing inspections and emergency preparedness to safeguard surrounding communities and ecosystems from potential hazards.
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 Nvcc Annandale Campus Dam -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Accotink Creek Near Annandale | 50 cfs | → |
| Long Branch Near Annandale | 4 cfs | → |
| Cameron Run At Alexandria | 57 cfs | → |
| Fourmile Run At Alexandria | 25 cfs | → |
| Difficult Run Near Great Falls | 129 cfs | → |
| Potomac River Near Wash | 5,080 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Nvcc Annandale Campus Dam.
Boat launches
- Wayne F Anderson Bikeway Alexandria
- Forest Hill Road Lake Ridge
- Gravelly Point Boat Ramp
- Ludgate Drive Mount Vernon
- Potomac Hills Street Fairfax County
- Marshall Hall Boat Ramp Charles County
Campgrounds
- Burke Lake Park
- Marsden Tract Campground
- Marsden Tract Group Campsite
- Lake Fairfax
- Fort Belvoir Travel And Rv Camp
- Pohick Bay Regional Park
Fishing spots
- Maddox Branch
- Davis Branch (Historical)
- Georgetown Reservoir
- Gillam Branch (Historical)
- Washington Aqueduct
- Foundry Branch
Track Nvcc Annandale Campus 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 Nvcc Annandale Campus Dam
Where does the data for Nvcc Annandale Campus 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 Nvcc Annandale Campus Dam.