Dilts Ranch 1-20 Reservoir Report
Nearby: Betty No. 1 Jenson No. 1
Last Updated: December 8, 2025
Dilts Ranch 1-20 is a privately owned Earth dam located in Converse, Wyoming, along Antelope Creek.
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Summary
Designed by Russ Dahlgren and completed in 2015, this dam stands at a height of 18.5 feet and has a storage capacity of 130 acre-feet. With a low hazard potential and fair condition assessment, this dam serves primarily for purposes other than flood control or water supply.
Despite its relatively small size, Dilts Ranch 1-20 plays a crucial role in local water resource management, storing water for agricultural or irrigation purposes. The dam's uncontrolled spillway and lack of outlet gates indicate a simple design that effectively manages the flow of water. Regular inspections have been conducted, with the last assessment in June 2021, ensuring the dam's continued functionality and safety.
Located in a moderate risk area, Dilts Ranch 1-20 is subject to state regulation, inspection, and enforcement to mitigate any potential hazards. With Liz Cheney as the Congressional representative for the area, the dam's operations are overseen by the Wyoming State Engineer's Office. As a key infrastructure for water management in the region, Dilts Ranch 1-20 highlights the importance of proper dam maintenance and monitoring in mitigating potential risks associated with climate change and water resource management.
Year Completed |
2015 |
Dam Length |
1800 |
Dam Height |
18.5 |
River Or Stream |
ANTELOPE CREEK |
Primary Dam Type |
Earth |
Surface Area |
5 |
Hydraulic Height |
11 |
Drainage Area |
0.01 |
Nid Storage |
130 |
Structural Height |
21 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
21 |
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.
Dilts Ranch 1-20