Simmons Lake Reservoir Report
Nearby: Coleman Lake Morrison Catfish Ponds
Last Updated: December 10, 2025
Simmons Lake, located in Humphreys County, Mississippi, is a privately owned reservoir with a primary purpose classified as "Other." Built in 1978 by the USDA NRCS, this earth dam stands at a height of 8 feet and has a storage capacity of 480 acre-feet.
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Summary
The reservoir is situated on the TR- Little Kilby stream and is managed by the Natural Resources Conservation Service.
With a low hazard potential and a moderate risk assessment rating, Simmons Lake provides a vital water resource for the surrounding area. The dam features an uncontrolled spillway and outlet gates, with no associated locks. While the condition assessment is currently listed as "Not Rated," the risk management measures are not specified, indicating potential room for improvement in emergency preparedness and maintenance protocols.
For water resource and climate enthusiasts, Simmons Lake offers a fascinating case study in private dam ownership and management. With its unique design and historical significance, this reservoir serves as a valuable asset for understanding water infrastructure in the region and the importance of sustainable water resource management practices.
Year Completed |
1978 |
Dam Length |
7920 |
Dam Height |
8 |
River Or Stream |
TR- LITTLE KILBY |
Primary Dam Type |
Earth |
Hydraulic Height |
8 |
Nid Storage |
480 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
8 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Harland Creek Nr Howard
|
3340cfs |
Big Black River Nr Bentonia
|
424cfs |
Abiaca Creek At Cruger
|
44cfs |
Bogue Phalia Nr Leland
|
406cfs |
Big Sunflower River At Sunflower
|
582cfs |
Big Black River Nr Bovina
|
573cfs |
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.
Simmons Lake