Mariano

Larimer County, Colorado (near LOVELAND)

River/Stream: BIG THOMPSON RIVER-TR

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Earth
Height
30 ft
Dam Length
1,420 ft
Reservoir Storage
7,680 acre-ft
Year Completed
1889
Primary Purpose
Irrigation
Owner Type
Private
Max Discharge
1,640 cfs

Condition Assessment

SatisfactoryLast inspected: 2022-07-11

Hazard Classification: High — This describes the potential consequences of dam failure, not the likelihood of failure.

Condition Assessment: Satisfactory — This describes the current physical condition of the dam based on the most recent inspection.

Location

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Quick Stats

NID ID
CO00166
State
Colorado (CO)
Coordinates
40.38471, -105.13087
Age
137 years

Nearby Dams

External Resources

Data sourced from the National Inventory of Dams (NID). Information may not reflect the most current status of this dam. Hazard classification reflects potential consequences of failure, not the likelihood of failure or the current condition.