Rosewood Subdivision Dam Reservoir Report

Last Updated: December 5, 2025

Located in Wake County, North Carolina, the Rosewood Subdivision Dam, also known as Mactavish Pond Dam, is a private earth dam that serves the primary purpose of recreation.


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Summary

Completed in 2008, this dam has a hydraulic height of 11.4 feet and a structural height of 15.2 feet, providing a maximum storage capacity of 6 acre-feet and a normal storage capacity of 3 acre-feet.

With a hazard potential classified as high, the dam's condition assessment as of December 2020 was deemed satisfactory. The dam is state-regulated, with oversight from the North Carolina Department of Environmental Quality's Dam Safety Program. The last inspection of the dam took place in December 2020, with a regular inspection frequency of every 2 years.

Water resource and climate enthusiasts will find the Rosewood Subdivision Dam an intriguing structure, as it not only offers recreational opportunities but also highlights the importance of proper dam maintenance and monitoring to ensure public safety and environmental protection. The dam's location on MacTavish Way, its connection to Barton Creek, and its significant impact on the surrounding drainage area make it a noteworthy feature in the region's water infrastructure landscape.

Year Completed

2008

Dam Length

270

River Or Stream

UT to Barton Creek

Primary Dam Type

Earth

Surface Area

1

Hydraulic Height

11.4

Drainage Area

10

Nid Storage

6

Structural Height

15.2

Hazard Potential

High

Nid Height

15
       
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.