Allen Town Pond (Allen Road) Reservoir Report

Last Updated: December 5, 2025

Allen Town Pond, also known as Allen Pond, is a picturesque water resource located in Polk Landing, Maryland.


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Summary

Managed by the local government, this dam structure on Passerdyke Creek serves primarily for recreational purposes. Built in the early 1700s, the earth dam stands at a height of 8 feet and stretches 400 feet in length, providing a serene environment for visitors to enjoy its 35.8-acre surface area.

With a storage capacity of 176 acre-feet, Allen Town Pond offers a tranquil escape for outdoor enthusiasts seeking water-based activities. The dam's controlled spillway and low hazard potential make it a safe and enjoyable location for boating, fishing, and picnicking. Despite being structurally modified in 1989, the dam's condition remains unrated, yet it continues to attract visitors due to its scenic beauty and historical significance.

While the dam's risk assessment is categorized as very high, the local government ensures regular inspections and enforcement to maintain the safety and integrity of the structure. With its rich history, natural surroundings, and recreational opportunities, Allen Town Pond remains a beloved destination for water resource and climate enthusiasts seeking a peaceful retreat in Somerset County, Maryland.

Years Modified

1989 - Structural

Year Completed

1700

Dam Length

400

Dam Height

8

River Or Stream

Passerdyke Creek

Primary Dam Type

Earth

Surface Area

35.8

Drainage Area

12.7

Nid Storage

176

Outlet Gates

Needle - 0

Hazard Potential

Low

Foundations

Soil

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.