Cunning

BRANTNER GULCH-OS· Adams, Colorado· Built 1935· Earth· 13 ft tall
Low Hazard Irrigation Local Government

Key Takeaway

Cunning is classified as low hazard in Colorado. It was completed in 1935 and is 91 years old. Its primary use is irrigation.

Physical Details

Dam Height 13 ft (taller than 14.5% in CO)
Dam Length600 ft
Dam TypeEarth
Max Storage50 acre-ft
Normal Storage25 acre-ft
Surface Area5 acres
Drainage Area0 sq mi
Max Discharge315 cfs
Year Completed1935 (91 years old)
NID IDCO02346

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: September 24, 2013
State Regulated: Yes
Regulatory Agency: DWR

Ownership

CITY OF THORNTON (JENNINGS, ANDY)

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Cunning?

Cunning is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Cunning?

Cunning is owned by CITY OF THORNTON (JENNINGS, ANDY) (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cunning built?

Cunning was completed in 1935, making it 91 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Cunning?

Cunning serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Cunning?

Cunning has a dam height of 13 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Cunning last inspected?

Cunning was last inspected on September 24, 2013. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.