Alvie No. 1 Reservoir Report
Nearby: Point Of Rocks Cash's Home
Last Updated: December 5, 2025
Alvie No.
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Summary
1, located in Lambert, Albany County, Wyoming, is a private-owned Earth dam completed in 1974 for the primary purpose of creating a Fish and Wildlife Pond while also serving as a Flood Risk Reduction structure. The dam stands at a height of 38 feet with a hydraulic height of 25 feet and a structural height of 35 feet. It has a length of 348 feet and can store up to 16 acre-feet of water, covering a surface area of 2 acres. The drainage area for Alvie No. 1 is 1.1 square miles, with a maximum discharge capacity of 163 cubic feet per second.
Despite its low hazard potential, Alvie No. 1's condition assessment is rated as poor, with the last inspection conducted in August 2020. The dam's spillway type is uncontrolled, with a width of 21 feet and an outlet gate consisting of a slide (sluice gate). The risk assessment for this structure is moderate, highlighting the need for ongoing risk management measures. With its critical role in providing habitat for fish and wildlife, as well as mitigating flood risks, Alvie No. 1 is a significant water resource feature in the region, demanding attention and proactive maintenance to ensure its continued functionality and safety for the surrounding community and environment.
Year Completed |
1974 |
Dam Length |
348 |
Dam Height |
38 |
River Or Stream |
ALVIE NO. 1 DRAW, TRIB KING DR |
Primary Dam Type |
Earth |
Surface Area |
2 |
Hydraulic Height |
25 |
Drainage Area |
1.1 |
Nid Storage |
16 |
Structural Height |
35 |
Outlet Gates |
Slide (sluice gate) - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
38 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Laramie River At Laramie
|
48cfs |
Laramie River Near Bosler
|
1950cfs |
Sybille Creek Ab Mule Creek
|
143cfs |
Sybille Creek Ab Canal No. 3
|
93cfs |
Little Laramie River Near Filmore
|
671cfs |
Crow Creek At 19th Street
|
3cfs |
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.
Alvie No. 1