Summerfield Swm Pond No. 1 (Chatsfield Way) Reservoir Report

Last Updated: December 5, 2025

Summerfield Stormwater Management Pond No.


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Summary

1, located in Northampton, Maryland, is a crucial piece of infrastructure designed for flood risk reduction in the area. Constructed in 1994 by Loiderman & Assoc/Schnabel, this earth dam stands at a height of 23 feet and stretches 550 feet in length. With a storage capacity of 150 acre-feet and a maximum discharge of 800 cubic feet per second, the pond serves the Southwest Branch-TR watershed, covering a drainage area of 0.7 square miles.

Despite its important role in flood mitigation, the Summerfield Swm Pond No. 1 is currently rated as having a high hazard potential and poor condition. The last inspection in February 2022 revealed concerning issues, prompting a call for improved risk management measures. With a risk assessment rating of moderate (3), there is a pressing need for maintenance and upgrades to ensure the safety and effectiveness of this critical water resource infrastructure.

As water resource and climate enthusiasts, it is essential to monitor the condition and maintenance of structures like the Summerfield Swm Pond No. 1 to safeguard against potential hazards and maintain effective flood risk reduction capabilities. Collaboration between local government agencies, dam safety regulators, and designers is crucial to address the identified deficiencies and ensure the long-term resilience of this vital piece of infrastructure in Prince George's County, Maryland.

Year Completed

1994

Dam Length

550

Dam Height

23

River Or Stream

Southwest Branch-TR

Primary Dam Type

Earth

Drainage Area

0.7

Nid Storage

150

Hazard Potential

High

Foundations

Soil

Nid Height

23
       
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.