East Side No. 2 Reservoir Report
Last Updated: December 5, 2025
East Side No.
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Summary
2, located in Converse, Wyoming, is a privately owned earth dam completed in 1966 for irrigation purposes along the South Five Mile Creek. Designed by L.C. Bishop, the dam stands at 29 feet in height with a hydraulic height of 24 feet and a length of 265 feet, providing a storage capacity of 96 acre-feet. Despite its low hazard potential, the dam's condition assessment is rated as poor, indicating a need for maintenance and improvement.
The dam's spillway type is uncontrolled with a width of 50 feet, and it features a valve as the outlet gate. Although the risk assessment categorizes it as moderate, with a DSAC assigned date of None, there are no inundation maps prepared, emergency action plan updated, or risk management measures in place as of the latest inspection in June 2019. With its location in a critical water resource area, stakeholders and authorities should prioritize addressing the dam's condition to ensure the safety of downstream communities and the efficient management of water resources in the region.
As climate change impacts continue to alter precipitation patterns and increase the frequency of extreme weather events, the maintenance and monitoring of dams like East Side No. 2 become increasingly crucial. With the dam falling under state jurisdiction and regulated by the SEO, collaboration between private owners, regulatory agencies, and the local community is essential to mitigate risks, improve resilience, and safeguard the water resources and infrastructure for future generations.
Year Completed |
1966 |
Dam Length |
265 |
Dam Height |
29 |
River Or Stream |
SOUTH FIVE MILE CREEK |
Primary Dam Type |
Earth |
Surface Area |
8 |
Hydraulic Height |
24 |
Nid Storage |
96 |
Structural Height |
29 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
29 |
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.
East Side No. 2