Summary
A. Creek completed in 1974. With a height of 24 feet and a length of 1120 feet, this earth dam serves the primary purposes of flood risk reduction and irrigation, providing a storage capacity of 86 acre-feet. Despite its low hazard potential, the dam's structural condition is assessed as poor, emphasizing the need for regular inspections and maintenance.
The dam features an uncontrolled spillway with a width of 30 feet and a maximum discharge capacity of 271 cubic feet per second. The surrounding area has a drainage area of 0.5 square miles, with a normal storage capacity of 46 acre-feet. The dam's poor condition assessment raises concerns about its long-term reliability and underscores the importance of risk management measures to ensure the safety of downstream communities and agricultural lands.
As a vital water resource infrastructure in Wyoming, Gammon serves as a critical component of the local irrigation system, highlighting the intersection of water management and climate resilience. With its outdated design and poor condition, the dam presents challenges that must be addressed through proactive monitoring, maintenance, and potential rehabilitation efforts to safeguard its functionality and mitigate potential risks to the surrounding ecosystem and community.
Year Completed |
1974 |
Dam Length |
1120 |
Dam Height |
24 |
River Or Stream |
T. A. CREEK |
Primary Dam Type |
Earth |
Surface Area |
8 |
Hydraulic Height |
19 |
Drainage Area |
0.5 |
Nid Storage |
86 |
Structural Height |
34 |
Outlet Gates |
Slide (sluice gate) - 0 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
34 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
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.
Area Campgrounds
| Location | Reservations | Toilets |
|---|---|---|
Canyon Campground
|
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Muddy Guard Cabin
|
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Crazy Woman Campground
|
Gammon