Powell Sewage Lagoon System-Primary (1) Reservoir Report
Last Updated: December 5, 2025
Located in Park, Wyoming, the Powell Sewage Lagoon System-Primary (1) is a vital water resource management infrastructure designed by Donald J.
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Summary
Livingston and completed in 1988. This Earth-type dam stands at a height of 8 feet and has a hydraulic height of 5 feet, with a length of 3300 feet and a storage capacity of 57 acre-feet. Situated on the drainage of Bitter Creek, this lagoon system is owned and regulated by the local government, with state oversight ensuring proper permitting, inspection, and enforcement.
With a low hazard potential and fair condition assessment, the Powell Sewage Lagoon System-Primary (1) serves a critical purpose in managing wastewater and protecting the surrounding environment. Despite its age, the dam continues to meet regulatory standards and operate effectively, with controlled outlet gates and a lack of spillway indicating a stable water management system. Additionally, the risk assessment for this infrastructure highlights moderate risk, emphasizing the importance of ongoing monitoring and maintenance to ensure its continued functionality.
In the event of an emergency, the Powell Sewage Lagoon System-Primary (1) is equipped with emergency action plans to guide response efforts, although the last revision date is not specified. With Liz Cheney as the Congressional representative for the area, this structure plays a crucial role in safeguarding water quality and supporting sustainable development in the region. For water resource and climate enthusiasts, the Powell Sewage Lagoon System-Primary (1) represents a key component of infrastructure management and environmental protection in the state of Wyoming.
Year Completed |
1988 |
Dam Length |
3300 |
Dam Height |
8 |
River Or Stream |
DRAINAGE OF BITTER CREEK |
Primary Dam Type |
Earth |
Surface Area |
43 |
Hydraulic Height |
5 |
Nid Storage |
57 |
Structural Height |
8 |
Outlet Gates |
Other Controlled - 14 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
8 |
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.
Powell Sewage Lagoon System-Primary (1)