Otwell Green Acres Dam Reservoir Report
Nearby: Snyder Dam Big Millpond Dam
Last Updated: January 11, 2026
Located in Accomack, Virginia, the Otwell Green Acres Dam is a privately owned structure regulated by the Department of Conservation and Recreation.
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Summary
With a height of 13.45 feet and a storage capacity of 211.7 acre-feet, this dam plays a crucial role in water resource management in the area. Despite its undetermined hazard potential and lack of a condition assessment rating, the dam serves as a significant infrastructure for the community.
Situated in the Baltimore District, the dam is overseen by the state regulatory agency and undergoes regular inspections. While specific details on its design, purpose, and construction are not provided, the dam's presence highlights the importance of maintaining and monitoring such structures for climate and water resource enthusiasts. With the potential to impact the surrounding environment and water systems, understanding the role and condition of the Otwell Green Acres Dam is essential for sustainable water management practices.
As climate change continues to affect water resources, the Otwell Green Acres Dam serves as a reminder of the interconnectedness between infrastructure, regulation, and environmental stewardship. With its location in Virginia and under the jurisdiction of state agencies, the dam represents a piece of the larger puzzle in ensuring water security and resilience in the face of changing climate patterns. For enthusiasts interested in water resource management and climate adaptation, the Otwell Green Acres Dam presents a case study worth exploring and understanding in the context of broader environmental challenges.
Dam Length |
180 |
Dam Height |
13.45 |
Surface Area |
12.8 |
Hydraulic Height |
13.45 |
Nid Storage |
211.7 |
Structural Height |
13.45 |
Hazard Potential |
Undetermined |
Nid Height |
13 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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.
Otwell Green Acres Dam
Fir Landing, Chincoteague Island