Powell Sewage Lagoon System-Primary (2) Reservoir Report

Last Updated: December 5, 2025

The Powell Sewage Lagoon System-Primary (2) is a vital water resource infrastructure owned by the local government in Park, Wyoming.


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Summary

Designed by Donald J. Livingston and completed in 1988, this Earth-type dam stands at 8 feet high and has a storage capacity of 54 acre-feet. Situated in the drainage of Bitter Creek, it serves as a crucial component in managing wastewater and protecting the local environment.

With a surface area of 43 acres and a length of 3250 feet, the Powell Sewage Lagoon System-Primary (2) plays a crucial role in the treatment and storage of sewage for the community. Despite its fair condition assessment and low hazard potential, the dam is subject to regular inspections and regulatory oversight by the State of Wyoming. Its controlled outlet gates ensure efficient water flow management, while the absence of a spillway indicates the careful design and maintenance of this essential infrastructure.

As a key part of the local water management system, the Powell Sewage Lagoon System-Primary (2) demonstrates the importance of sustainable and effective wastewater treatment practices. With state regulation, inspection, and enforcement in place, this dam serves as a model for responsible water resource management in the region, contributing to the protection of public health and the environment.

Year Completed

1988

Dam Length

3250

Dam Height

8

River Or Stream

DRAINAGE OF BITTER CREEK

Primary Dam Type

Earth

Surface Area

43

Hydraulic Height

5

Nid Storage

54

Structural Height

8

Outlet Gates

Other Controlled - 14

Hazard Potential

Low

Foundations

Soil

Nid Height

8
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.