Riawakin Pond (Nanticoke Road) Reservoir Report

Last Updated: December 5, 2025

Riawakin Pond, located on Nanticoke Road in Wicomico, Maryland, is a picturesque water resource nestled along Rockawalking Creek.


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Summary

Built in 1950 for recreational purposes, this earth dam stands at a height of 12.5 feet, with a hydraulic height of 10 feet and a structural height of 16 feet. The dam spans a length of 304 feet and has a storage capacity of 91 acre-feet, serving as a serene spot for locals and visitors to enjoy outdoor activities.

Despite its low hazard potential and moderate risk assessment, Riawakin Pond underwent structural modifications in 2016 to ensure its continued safety and functionality. The dam features an uncontrolled spillway with a width of 3 feet, allowing for the controlled release of water during times of high discharge. Regular inspections are conducted every 5 years, with the most recent assessment completed in January 2022. While the dam's condition is currently not rated, the Maryland Dam Safety agency oversees its regulation, permitting, and enforcement to maintain compliance with state standards.

With its tranquil waters, lush surroundings, and recreational amenities, Riawakin Pond offers a peaceful escape for water resource and climate enthusiasts. Whether fishing, boating, or simply relaxing by the water's edge, this charming destination provides a harmonious blend of natural beauty and outdoor recreation. As a state-regulated dam, Riawakin Pond stands as a testament to responsible water management and environmental stewardship in Maryland's diverse landscape.

Years Modified

2016 - Structural

Year Completed

1950

Dam Length

304

Dam Height

12.5

River Or Stream

Rockawalking Creek

Primary Dam Type

Earth

Surface Area

12

Hydraulic Height

10

Drainage Area

4.3

Nid Storage

91

Structural Height

16

Outlet Gates

Needle - 0

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

16
       
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.