Canon Wtrshd. Det. C-4
Canon Wtrshd. Det. C-4 is an earth dam located in Fremont County, Colorado, built in 1972. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Canon Wtrshd. Det. C-4
The primary purpose of Canon Wtrshd. Det. C-4 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Fremont County Engineer (teigen, Lucas) (local government). It impounds the Arkansas River-tr near Canon City.
The dam stands 68 feet tall and stretches 496 feet across, creates a reservoir covering 20 acres, and has a maximum storage capacity of 418 acre-feet. Completed in 1972, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 05/20/2021.
At 68 feet, this dam is taller than 96% of all dams in the United States.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Colorado dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Colorado |
| County | Fremont |
| Nearest City | Canon City |
| River/Stream | Arkansas River-tr |
| Coordinates | 38.41500, -105.23223 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 68 ft |
| Dam Height | 38 ft |
| Dam Length | 496 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 418 acre-ft |
| Max Storage | 418 acre-ft |
| Normal Storage | 207 acre-ft |
| Surface Area | 20 acres |
| Max Discharge | 2,065 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | FREMONT COUNTY ENGINEER (TEIGEN, LUCAS) |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/20/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO00462 |
| Federal ID | CO00462 |
| More Info | State Dam Safety Program |