Pond 1 Reservoir Report
Nearby: Solid Waste Disposal Cell J No. 4
Last Updated: December 15, 2025
Pond 1, located in Sweetwater, Wyoming, is a private water resource structure designed by David H.
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Summary
Scriven for the primary purpose of tailings storage. This earth dam, completed in 1981, stands at a height of 47 feet with a hydraulic height of 42 feet and a length of 14,000 feet. With a storage capacity of 6,505 acre-feet and a surface area of 0.41 acres, Pond 1 plays a crucial role in managing water resources in the area.
Despite its low hazard potential, Pond 1 is subject to state regulation, inspection, and enforcement by the State Engineer's Office in Wyoming. The dam, built on soil foundations with a stone core, poses a high risk due to its location near Tennecco Draw. While it lacks a spillway and outlet gates, Pond 1 has not been modified since its completion and remains in fair condition, though not rated for a formal assessment.
Owned by a private entity, Pond 1 serves as a vital water management structure in the region, contributing to the overall water resource management efforts. With its strategic location and design features, Pond 1 stands as a testament to effective water resource infrastructure for tailings storage in Wyoming.
Year Completed |
1981 |
Dam Length |
14000 |
Dam Height |
47 |
River Or Stream |
TENNECO DRAW |
Primary Dam Type |
Earth |
Surface Area |
0.41 |
Hydraulic Height |
42 |
Drainage Area |
0.41 |
Nid Storage |
6505 |
Structural Height |
47 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
47 |
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.
Pond 1