Gambill Pond Dam Lower Reservoir Report

Last Updated: December 5, 2025

Gambill Pond Dam Lower is a privately owned structure located in Pfafftown, North Carolina, with a primary purpose of recreation.


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Summary

The dam, classified as an Earth type, stands at a hydraulic height of 14 feet and a structural height of 18 feet. It has a storage capacity of 22 acre-feet, with a normal storage level of 17.1 acre-feet and a surface area of 3.1 acres. The dam poses a high hazard potential but is currently assessed to be in fair condition as of the last inspection in March 2021.

Managed by the North Carolina Department of Environmental Quality Dam Safety Program, Gambill Pond Dam Lower is subject to state regulation, permitting, inspection, and enforcement. The dam is situated on the Bill Branch-Tr river/stream within Forsyth County and falls under the jurisdiction of the state. Although no specific year of completion is provided, the dam has a length of 323 feet and is associated with no other structures or modifications.

Enthusiasts of water resources and climate in the area may find Gambill Pond Dam Lower to be an intriguing site for recreational activities. The dam's location and features, combined with its regulatory oversight and hazard potential, present a unique blend of environmental and safety considerations that make it an interesting case study for those interested in the intersection of water management and public safety.

Dam Length

323

River Or Stream

Bill Branch-Tr

Primary Dam Type

Earth

Surface Area

3.1

Hydraulic Height

14

Nid Storage

22

Structural Height

18

Hazard Potential

High

Nid Height

18
       
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.