Henry Roy Dam Reservoir Report
Last Updated: December 9, 2025
Located in Lincoln, Louisiana, the Henry Roy Dam stands as a testament to the USDA NRCS's design expertise, serving as a vital resource for the local community.
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Summary
Completed in 1963, this earth dam primarily functions as a Fish and Wildlife Pond, with additional purposes including Fire Protection, Stock, or Small Fish Pond, and Recreation. The dam boasts a height of 18 feet and a length of 400 feet, with a storage capacity of 97 acre-feet and a surface area of 12 acres.
Managed by the Louisiana Department of Transportation and Development, the Henry Roy Dam is state-regulated and subject to regular inspections to ensure its structural integrity. Despite being classified as a low hazard potential structure with a fair condition assessment, the dam presents a moderate risk (3) to the surrounding area. With a spillway width of 50 feet and a maximum discharge capacity of 360 cubic feet per second, the dam is equipped to handle potential overflow events and protect downstream areas.
Overall, the Henry Roy Dam serves as a crucial asset for both wildlife conservation and recreational activities in the region, offering a balanced mix of environmental benefits and public safety measures. As climate change continues to impact water resources, the dam's role in managing water levels and supporting local ecosystems becomes increasingly significant, highlighting the importance of maintaining and monitoring this essential infrastructure for future generations to enjoy.
Year Completed |
1963 |
Dam Length |
400 |
Dam Height |
18 |
River Or Stream |
TR-MONCRIEF CREEK |
Primary Dam Type |
Earth |
Surface Area |
12 |
Hydraulic Height |
18 |
Drainage Area |
1 |
Nid Storage |
97 |
Structural Height |
21 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
21 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Saline Bayou Near Lucky
|
38cfs |
Little Corney Bayou Near Lillie
|
169cfs |
Dugdemona River Near Joyce
|
248cfs |
Bayou Lafourche Near Crew Lake
|
625cfs |
Boeuf River Nr Girard
|
42cfs |
Little River Near Rochelle
|
506cfs |
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.
Henry Roy Dam