Hillside Lake Dam Reservoir Report

Last Updated: December 5, 2025

Hillside Lake Dam, also known as River Hills Plantation Dam Water Q.#Co404, is a privately owned structure in Greensboro, North Carolina, with a primary purpose of recreation.


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Summary

Built in 1920 by the USDA NRCS, this earth dam stands at a hydraulic height of 17 feet and a structural height of 20 feet, with a length of 300 feet. The dam has a storage capacity of 80 acre-feet and a maximum discharge of 165 cubic feet per second.

Despite being in fair condition as of the last inspection in April 2020, Hillside Lake Dam has a high hazard potential, making it crucial for regular maintenance and monitoring. The dam's spillway is uncontrolled, and it poses a moderate risk, with a risk assessment rating of 3. While the dam has not been modified in recent years, the enforcement and regulatory agencies in North Carolina are actively involved in permitting, inspecting, and enforcing safety measures to ensure the dam's stability and the safety of surrounding areas.

Water resource and climate enthusiasts monitoring Hillside Lake Dam should take note of its location on Brush Creek-Tr and its proximity to the river. With its fair condition and high hazard potential, it is essential to stay updated on any developments regarding the dam's maintenance, emergency action plans, and risk management measures. As a significant recreational structure in the area, the safety and integrity of Hillside Lake Dam are paramount for both residents and visitors alike.

Year Completed

1920

Dam Length

300

River Or Stream

Brush Creek-Tr

Primary Dam Type

Earth

Surface Area

10

Hydraulic Height

17

Nid Storage

80

Structural Height

20

Outlet Gates

Uncontrolled

Hazard Potential

High

Foundations

Soil

Nid Height

20
       
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.