Yantacaw Brook Dam Reservoir Report
Last Updated: December 11, 2025
Yantacaw Brook Dam, located in Montclair, New Jersey, is a significant earth dam primarily used for recreation purposes.
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Summary
The dam stands at a height of 8 feet and spans a length of 130 feet, regulating the flow of the Yantacaw Creek. Despite its recreational value, the dam is assessed to be in poor condition, with a significant hazard potential, highlighting the need for attention and maintenance to ensure its structural integrity.
Managed by the local government and regulated by the New Jersey Department of Environmental Protection, Yantacaw Brook Dam has undergone inspections every two years, with the last assessment conducted in November 2020. The dam's Emergency Action Plan (EAP) was last revised in April 2021, indicating ongoing efforts to enhance emergency preparedness and response protocols. While the dam does not fall under the jurisdiction of the U.S. Army Corps of Engineers, its condition assessment underscores the importance of proactive risk management measures to mitigate potential hazards and ensure the safety of the surrounding community.
Water resource and climate enthusiasts interested in Yantacaw Brook Dam can delve into its historical significance, design characteristics, and the ongoing efforts to address its poor condition and significant hazard potential. As a vital infrastructure for recreation and water flow regulation in Essex County, New Jersey, the dam serves as a focal point for environmental stewardship and sustainable management practices. By staying informed about the dam's condition assessments, emergency preparedness measures, and regulatory oversight, enthusiasts can contribute to the preservation and safety of this essential water resource in the region.
Dam Length |
130 |
Dam Height |
8 |
River Or Stream |
Yancataw Creek |
Primary Dam Type |
Earth |
Hazard Potential |
Significant |
Nid Height |
8 |
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.
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