Lamborn #2 Reservoir Report
Nearby: Lamborn #1 Christensen #1
Last Updated: December 5, 2025
Lamborn #2 is a privately owned earth dam located in Morgan County, Colorado, along the South Platte River.
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Summary
Built in 1955 for irrigation purposes, this dam stands at 16 feet high and spans 800 feet in length, with a storage capacity of 55 acre-feet. Its primary functions include fire protection, stock watering, and recreation in addition to irrigation. The dam has a low hazard potential and is currently in satisfactory condition.
Managed by the Colorado Division of Water Resources, Lamborn #2 undergoes regular inspections, with the last assessment conducted in March 2020. Despite moderate risk assessment, the dam is considered to meet safety guidelines and does not have an emergency action plan in place. The spillway is uncontrolled with a width of 120 feet, allowing for a maximum discharge of 2610 cubic feet per second. This structure plays a crucial role in water resource management and highlights the importance of maintaining and monitoring dams for both agricultural and environmental purposes in the region.
Year Completed |
1955 |
Dam Length |
800 |
Dam Height |
16 |
River Or Stream |
SOUTH PLATTE RIVER-TR |
Primary Dam Type |
Earth |
Surface Area |
11 |
Hydraulic Height |
16 |
Drainage Area |
1 |
Nid Storage |
55 |
Structural Height |
16 |
Hazard Potential |
Low |
Nid Height |
16 |
Seasonal Comparison
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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.
Lamborn #2