Summary
Built in 1926, this earth dam stands at 25 feet high and has a storage capacity of 222 acre-feet, with a normal storage level of 115 acre-feet. Despite its low hazard potential, the dam is currently assessed as being in poor condition, indicating a need for maintenance and repairs to ensure its long-term reliability.
The dam features an uncontrolled spillway with a width of 30 feet and a single valve outlet gate. Its primary purpose is irrigation, serving the agricultural needs of the surrounding area. The dam is subject to state regulation and inspection, with the Wyoming State Engineer's Office overseeing its permitting, inspection, and enforcement. The risk assessment for Pearl indicates a moderate level of risk, highlighting the importance of continued monitoring and maintenance to mitigate potential hazards.
In conclusion, Pearl Dam plays a crucial role in water resource management and agricultural irrigation in the region. With a history dating back to the early 20th century, this structure requires attention to ensure its continued functionality and safety. Climate and water resource enthusiasts will find Pearl to be an intriguing case study in the intersection of infrastructure, regulation, and environmental risk management.
Year Completed |
1926 |
Dam Length |
974 |
Dam Height |
25 |
River Or Stream |
DRY MUDDY CREEK |
Primary Dam Type |
Earth |
Surface Area |
17 |
Hydraulic Height |
20 |
Nid Storage |
222 |
Structural Height |
25 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
25 |
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.
Pearl