Artesian Upper Reservoir Report
Nearby: Artesian Lower Pine Dale
Last Updated: December 8, 2025
Artesian Upper is a private water resource located in Campbell, Wyoming, specifically in the city of Arvada.
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Summary
Built in 1951, this earth dam serves multiple purposes including fire protection, stock, and small fish pond. With a structural height of 21 feet and a hydraulic height of 15 feet, Artesian Upper has a storage capacity of 59 acre-feet and covers a surface area of 10 acres. The dam is situated on the Artesian Creek and is regulated by the State of Wyoming, with inspection, permitting, and enforcement measures in place to ensure its safety and functionality.
Despite being classified as having a low hazard potential, Artesian Upper has been assessed to be in fair condition as of April 2018, with a moderate risk level assigned. The dam features an uncontrolled spillway type with a width of 50 feet and an outlet gate for controlled water release. The dam is inspected every 5 years to monitor its condition and identify any maintenance needs. Although there is no Emergency Action Plan prepared at the moment, the dam is equipped with emergency contacts and risk management measures to address potential issues. Overall, Artesian Upper plays a crucial role in providing water resources for fire protection, livestock, and recreational purposes in the region.
Year Completed |
1951 |
Dam Length |
550 |
Dam Height |
21 |
River Or Stream |
ARTESIAN CREEK |
Primary Dam Type |
Earth |
Surface Area |
10 |
Hydraulic Height |
15 |
Nid Storage |
59 |
Structural Height |
21 |
Outlet Gates |
Other Controlled - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
21 |
Seasonal Comparison
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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.
Artesian Upper