Black Watershed Structure Y-36-53 Dam Reservoir Report
Last Updated: January 29, 2026
Black Watershed Structure Y-36-53 Dam, also known as Black Watershed 19, is a local government-owned structure located in Holmes, Mississippi, specifically in the city of Garden Chapel.
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Summary
Constructed in 1964 by the USDA NRCS, this earth dam stands at a height of 43 feet and serves the primary purpose of flood risk reduction along the Chicopa Creek. With a storage capacity of 6611 acre-feet, the dam has a low hazard potential and is classified as not rated in terms of condition assessment.
Managed by the Mississippi Department of Environmental Quality, Black Watershed Structure Y-36-53 Dam is regulated, permitted, inspected, and enforced by the state. The dam features an uncontrolled spillway and outlet gates, with a foundation anchored in soil. Its drainage area covers 19.02 square miles, supporting moderate risk management measures to ensure the safety and stability of the structure. With a designated emergency action plan and contacts in place, the dam contributes to water resource management efforts within the Vicksburg District, while also providing valuable flood protection for the local community.
Year Completed |
1964 |
Dam Height |
43 |
River Or Stream |
CHICOPA CREEK |
Primary Dam Type |
Earth |
Drainage Area |
19.02 |
Nid Storage |
6611 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
43 |
Seasonal Comparison
Hourly Weather Forecast
Nearby Streamflow Levels
Abiaca Creek At Cruger
|
44cfs |
Harland Creek Nr Howard
|
3340cfs |
Big Black River At West
|
3220cfs |
Tallahatchie River At Money
|
3440cfs |
Big Sunflower River At Sunflower
|
366cfs |
Yockanookany River Nr Kosciusko
|
2650cfs |
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.
Black Watershed Structure Y-36-53 Dam