Cunning
Cunning is an earth dam located in Adams County, Colorado, built in 1935. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Cunning
The primary purpose of Cunning is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by City Of Thornton (jennings, Andy) (local government). It impounds the Brantner Gulch-os near Brighton.
The dam stands 13 feet tall and stretches 600 feet across, creates a reservoir covering 5 acres, and has a maximum storage capacity of 50 acre-feet. Completed in 1935, the structure is well-established, with more than 75 years of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 09/24/2013. That was over 12 years ago.
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Location
| State | Colorado |
| County | Adams |
| Nearest City | Brighton |
| River/Stream | Brantner Gulch-os |
| Coordinates | 39.92694, -104.91918 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 600 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 5 acres |
| Max Discharge | 315 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | CITY OF THORNTON (JENNINGS, ANDY) |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/24/2013 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02346 |
| Federal ID | CO02346 |
| More Info | State Dam Safety Program |