Bosco School Dam Reservoir Report

Last Updated: December 7, 2025

Bosco School Dam, located in Ramsey, New Jersey, is a privately owned structure designed for flood risk reduction along an unnamed stream.


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Summary

The dam stands at 8 feet tall and has a storage capacity of 3 acre-feet, with a normal storage level of 2 acre-feet. Its primary purpose is to mitigate flooding in the area, serving as a crucial infrastructure to protect the surrounding community from potential water-related disasters.

Managed by the New Jersey Department of Environmental Protection (NJDEP), Bosco School Dam is regulated, inspected, and enforced to ensure its structural integrity and safety. The dam has been assessed as satisfactory in condition, with a significant hazard potential due to its purpose and location. Emergency action plans are in place, and the structure is regularly monitored to meet guidelines and mitigate risks effectively.

With Congressman Josh S. Gottheimer representing the area in Congressional District 05, Bosco School Dam plays a vital role in safeguarding the community from flood risks. Its strategic location and operational efficiency contribute to the overall water resource management efforts in Bergen County, New Jersey. As a key piece of infrastructure, the dam serves as a testament to proactive measures taken to address climate-related challenges and protect the local environment.

Dam Height

8

River Or Stream

Unnamed Stream

Primary Dam Type

Earth

Surface Area

1

Drainage Area

0.04

Nid Storage

3

Hazard Potential

Significant

Nid Height

8
       
Seasonal Comparison

Weather Forecast

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.