Solid Waste Disposal Cell D Reservoir Report
Last Updated: December 14, 2025
Solid Waste Disposal Cell D, located in Sweetwater County, Wyoming near Flaming Gorge Reservoir, is a private facility regulated by the State of Wyoming.
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Summary
This disposal cell, primarily used for tailings storage, stands at a structural height of 46 feet with a length of 10,647 feet and a storage capacity of 1,479 acre-feet. The dam, built in 1977, is classified as a type of "Other" with a stone core and soil foundation.
Despite its low hazard potential and fair condition assessment, Solid Waste Disposal Cell D poses a high risk due to its location and potential impact on the environment. The facility is inspected every five years, with the last assessment conducted in November 2019. The dam is equipped with four controlled outlet gates and has no spillway, indicating the importance of proper monitoring and maintenance to prevent any potential risks to the surrounding area.
With its unique design and purpose, Solid Waste Disposal Cell D serves as a critical structure in managing solid waste in the region. As water resource and climate enthusiasts, it is essential to understand the importance of proper waste disposal practices and the need for regular inspections and risk assessments to ensure the safety and integrity of such facilities in environmentally sensitive areas like Sweetwater County, Wyoming.
Year Completed |
1977 |
Dam Length |
10647 |
Dam Height |
46 |
River Or Stream |
POND DRAW OFFSTREAM |
Primary Dam Type |
Other |
Surface Area |
112 |
Hydraulic Height |
46 |
Drainage Area |
0.1 |
Nid Storage |
1479 |
Structural Height |
46 |
Outlet Gates |
Other Controlled - 4 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
46 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Blacks Fork Near Little America
|
14cfs |
Green River Near Green River
|
870cfs |
Green River Below Fontenelle Reservoir
|
872cfs |
Henrys Fork Near Manila
|
49cfs |
Pacific Creek Near Farson
|
3cfs |
Green River Near La Barge
|
681cfs |
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.
Solid Waste Disposal Cell D