T. Nelson Elliott Dam Quick Facts
T. Nelson Elliott Dam Map
T. Nelson Elliott Dam Information
T. Nelson Elliott Dam is a gravity dam located in Prince William County, Virginia.
The dam, which is on the Broad Run River, was primarily built for Water Supply purposes, but also serves for benefits.
The dam was designed by and commissioned in and is currently owned by City of Manassas.
T. Nelson Elliott Dam Structure
The T. Nelson Elliott Dam is approximately 1,250 feet (381 m) long, 76 feet (23 m) high and has a structural volume of cubic yards (0 cubic metres).
T. Nelson Elliott Dam Storage Capacity & Surface Area
The reservoir has a normal storage capacity of 16,000 acre-ft (19,736 Ml) and maximum capacity of 33,000 acre-ft (40,705 Ml).
The surface area of the reservoir is 790 acres (320 ha) and the total catchment area is 60 square miles (155 square kilometres).
T. Nelson Elliott Dam Spillway
According to the latest available data, the T. Nelson Elliott Dam does not have any spillways.
T. Nelson Elliott Dam Compared to Five Famous American Dams
T. Nelson Elliott Dam Weather
Current Conditions at T. Nelson Elliott Dam
| Parameter | Value |
|---|---|
| Current Time | 21:19 |
| Sunrise | 07:24 |
| Sunset | 17:19 |
| Temperature (°F) | 18 |
| Feels Like (°F) | 18 |
| Cloud Coverage (%) | 0 |
| Pressure (inHg) | 1033 |
| Humidity (%) | 59 |
| Wind Speed (mph) | 0 |
| Rain (mm) | 0 |
7-Day Forecast for T. Nelson Elliott Dam
| Day | Min Temp (°F) | Max Temp (°F) | Feels Like (°F) | Pressure (inHg) | Humidity (%) | Wind Speed (mph) | Wind Gust (mph) | Wind Dir | Precip Prob (%) | Precip Volume (mm) | Weather |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Today | 7 | 21 | 14 | 1035 | 62 | 7 | 20 | NNW | 0 | - |  |
| Wed | 4 | 19 | 8 | 1036 | 50 | 10 | 24 | NNW | 0 | - |  |
| Thu | 7 | 32 | 20 | 1025 | 59 | 6 | 15 | SSW | 0 | - | |
| Fri | 16 | 30 | 20 | 1027 | 56 | 10 | 30 | NW | 0 | - |  |
| Sat | 12 | 35 | 26 | 1030 | 58 | 7 | 17 | SW | 0 | - | |
| Sun | 24 | 39 | 37 | 1027 | 69 | 4 | 15 | SW | 0 | - | |
| Mon | 26 | 44 | 41 | 1014 | 77 | 7 | 14 | WSW | 20 | 0 |  |
| Tue | 26 | 46 | 41 | 1009 | 47 | 10 | 25 | WNW | 0 | - | |
T. Nelson Elliott Dam Frequently Asked Questions
T. Nelson Elliott Dam is in Virginia.
T. Nelson Elliott Dam is in Prince William County.
T. Nelson Elliott Dam is 76 feet high.
T. Nelson Elliott Dam is 1,250 feet long.
More Dams in Prince William County:
Lake Montclair DamPossum Point Ash Dam #D
T. Nelson Elliott Dam
Upper Occoquan Dam
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Condition Assessment Classification
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. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
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. Investigations and studies are necessary.
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.
Not Available
Dams for which the condition assessment is restricted to approved government users.
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, environment 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.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.
Source: National Inventory of Dams