Phipps No. 1 Reservoir Report
Nearby: Bench Canal Lake Mckinney
Last Updated: December 5, 2025
Phipps No.
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Summary
1 is a private earth dam located in Pipeline, Wyoming, along the Kellerman Drain. Completed in 1999, this recreational dam stands at a height of 15 feet and has a maximum storage capacity of 95 acre-feet. With a surface area of 16 acres and a drainage area of 0.03 square miles, the dam serves as a water resource for the local community while also providing recreational opportunities for enthusiasts.
Managed by the Wyoming state regulatory agency, the dam is inspected regularly to ensure its safety and functionality. With a low hazard potential and fair condition assessment, Phipps No. 1 poses a moderate risk, highlighting the need for ongoing risk management measures. The dam features an uncontrolled spillway and outlet gates for water release, with a maximum discharge capacity of 31 cubic feet per second.
Overall, Phipps No. 1 serves as a vital water resource and recreational asset in Big Horn County, Wyoming. As climate and water resource enthusiasts, it is important to monitor the dam's condition and management practices to ensure its continued safety and functionality for both the community and the environment.
Year Completed |
1999 |
Dam Length |
5115 |
Dam Height |
15 |
River Or Stream |
KELLERMAN DRAIN |
Primary Dam Type |
Earth |
Surface Area |
16 |
Hydraulic Height |
13 |
Drainage Area |
0.03 |
Nid Storage |
95 |
Structural Height |
15 |
Outlet Gates |
Uncontrolled, Valve |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
15 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Bighorn River At Basin
|
996cfs |
Bighorn River At Kane
|
1340cfs |
Shoshone River Near Lovell
|
460cfs |
Shell Creek Near Shell
|
74cfs |
Bighorn R At Worland Wyo
|
4350cfs |
Greybull River At Meeteetse
|
338cfs |
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.
Phipps No. 1