Blairs Pond Dam Reservoir Report

Last Updated: December 5, 2025

Blairs Pond Dam, also known as Wilson Pond, is a gravity dam located in Kent, Delaware, with a primary purpose of serving as a fish and wildlife pond.


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Summary

Managed by the state of Delaware, the dam is regulated by the Department of Natural Resources and Environmental Control (DNREC) and undergoes regular inspections to ensure its safety and functionality. With a height of 14.95 feet and a length of 650 feet, the dam has a storage capacity of 418 acre-feet and covers a surface area of 40.7 acres.

The dam, situated on Beaverdam Branch, features a controlled spillway with a width of 40 feet and two other controlled outlet gates. Despite being classified as having a high hazard potential and fair condition assessment, the risk assessment for Blairs Pond Dam indicates a very high level of risk. Emergency action plans are in place, but have not been updated recently, raising concerns about the readiness for potential emergencies. Overall, Blairs Pond Dam presents an intriguing case study for water resource and climate enthusiasts due to its unique design and management challenges in the face of increasing risks associated with climate change and aging infrastructure.

As the dam is located within the Baltimore District of the US Army Corps of Engineers, it benefits from federal oversight and funding. However, the primary ownership and management of the dam lie with the state of Delaware, highlighting the collaborative effort required to ensure the safety and functionality of critical water infrastructure. With its historical significance and ecological importance as a fish and wildlife habitat, Blairs Pond Dam serves as a focal point for discussions on sustainable water resource management and the intersection of environmental conservation and infrastructure resilience in the face of a changing climate.

Dam Length

650

Dam Height

14.95

River Or Stream

BEAVERDAM BRANCH

Primary Dam Type

Gravity

Surface Area

40.7

Drainage Area

10.3

Nid Storage

418

Outlet Gates

Other Controlled - 2

Hazard Potential

High

Foundations

Unlisted/Unknown

Nid Height

15
       
Seasonal Comparison

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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. 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.