Pleasant Valley No 1 Reservoir Report
Last Updated: December 13, 2025
Pleasant Valley No 1, also known as Pleasant Valley Big Ditch Site No 1, is a critical flood risk reduction infrastructure located in Angie, Louisiana.
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Summary
Managed by the local government, this earth dam structure designed by USDA NRCS serves the primary purpose of mitigating flood risks along the TR-FOSTER CREEK. Completed in 1963, the dam stands at a height of 33 feet and has a storage capacity of 508 acre-feet, providing essential flood protection for the surrounding area.
With a spillway type classified as 'Uncontrolled' and a hazard potential rated as 'High', Pleasant Valley No 1 is subject to state regulatory oversight by the Louisiana Department of Transportation and Development. Despite its fair condition assessment as of December 2020, the dam requires regular inspections and maintenance to ensure its continued effectiveness in flood risk reduction. The structure's moderate risk assessment level underscores the importance of ongoing risk management measures to safeguard the community against potential flooding events.
In addition to its flood risk reduction function, Pleasant Valley No 1 also offers recreational opportunities for the local community. With a surface area of 29 acres and a drainage area of 1.1 square miles, this dam not only protects the area from floods but also provides a scenic environment for outdoor activities. As a vital piece of infrastructure in Washington Parish, Louisiana, Pleasant Valley No 1 highlights the importance of water resource management and climate resilience in safeguarding communities against natural disasters.
Year Completed |
1963 |
Dam Length |
1130 |
Dam Height |
33 |
River Or Stream |
TR-FOSTER CREEK |
Primary Dam Type |
Earth |
Surface Area |
29 |
Hydraulic Height |
23 |
Drainage Area |
1.1 |
Nid Storage |
508 |
Structural Height |
33 |
Outlet Gates |
Slide (sluice gate) |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
33 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Pearl River Near Bogalusa
|
2960cfs |
Pearl River Nr Columbia
|
1870cfs |
West Hobolochitto Creek Nr Mcneill
|
48cfs |
Bogue Chitto River Near Bush
|
912cfs |
Bogue Chitto Nr Tylertown
|
345cfs |
East Hobolochitto Creek Nr Caesar
|
27cfs |
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.
Pleasant Valley No 1