Greenville Utilities Commision Dam Reservoir Report
Last Updated: December 5, 2025
The Greenville Utilities Commission Dam, also known as GUC WTP Raw Water Reservoir, is a vital water resource infrastructure located in Greenville, North Carolina.
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Summary
Completed in 1985, this earth-type dam plays a crucial role in providing water supply to the region, with a primary purpose of water supply. Situated on the Tar-Os river, this dam has a hydraulic height of 14 feet and a structural height of 29 feet, with a storage capacity of 184 acre-feet.
Owned by a public utility, the Greenville Utilities Commission Dam is regulated by the NC Department of Environmental Quality, Dam Safety Program, ensuring its compliance with state regulations and permitting. The dam has a fair condition assessment as of January 2021, with a high hazard potential, highlighting the importance of regular inspections and maintenance to ensure its safety and functionality. The dam reservoir covers an area of 8.2 acres, serving as a critical water source for the community.
Managed by the Wilmington District of the US Army Corps of Engineers, the Greenville Utilities Commission Dam is a key component of the water infrastructure in Pitt County. With its significant storage capacity and strategic location, this dam plays a vital role in meeting the water supply needs of Greenville and surrounding areas. As climate change impacts water resources, the proper maintenance and management of this dam are essential to ensure a reliable and sustainable water supply for the region.
Year Completed |
1985 |
Dam Length |
2600 |
River Or Stream |
Tar-Os |
Primary Dam Type |
Earth |
Surface Area |
8.2 |
Hydraulic Height |
14 |
Nid Storage |
184 |
Structural Height |
29 |
Hazard Potential |
High |
Nid Height |
29 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Tar River At Greenville
|
260cfs |
Chicod Cr At Sr1760 Near Simpson
|
2cfs |
Contentnea Creek At Hookerton
|
466cfs |
Tar River At Tarboro
|
418cfs |
Neuse River Near Fort Barnwell
|
2510cfs |
Nahunta Swamp Near Shine
|
57cfs |
Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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.
Greenville Utilities Commision Dam