Mckinley Mall Retention Pond Dam Reservoir Report
Nearby: Green Lake Dam Freemans Dam
Last Updated: December 6, 2025
The Mckinley Mall Retention Pond Dam, located in Blasdell, New York, serves as a crucial flood risk reduction structure along the Blasdell Creek.
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Summary
Built in 1985, this earth dam stands at a height of 25 feet and stretches 1998 feet in length, providing a storage capacity of 147 acre-feet. Despite its importance in mitigating flooding in the area, the dam is currently assessed to be in poor condition with a high hazard potential, making regular inspections and maintenance critical for its continued effectiveness.
Managed by a private entity, the dam falls under the regulatory jurisdiction of the New York State Department of Environmental Conservation (NYS DEC). With state permitting, inspection, and enforcement in place, the dam is subject to regular assessments to ensure public safety and compliance with regulatory standards. The dam's spillway, with a width of 100 feet, is designed as uncontrolled, allowing for the release of excess water during high flow events to prevent overtopping and maintain the dam's structural integrity.
While the Mckinley Mall Retention Pond Dam plays a vital role in protecting the surrounding area from flooding, its current condition and hazard potential highlight the importance of continued monitoring and maintenance to uphold its functionality and safety standards. As climate change brings about more frequent and intense precipitation events, the resilience of such water resource infrastructure becomes increasingly crucial in safeguarding communities and ecosystems against the impacts of extreme weather events.
Year Completed |
1985 |
Dam Length |
1998 |
Dam Height |
25 |
River Or Stream |
BLASDELL CREEK |
Primary Dam Type |
Earth |
Drainage Area |
0.75 |
Nid Storage |
147 |
Hazard Potential |
High |
Nid Height |
25 |
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.
Mckinley Mall Retention Pond Dam
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