Mckoon is an earth dam located in Delta County, Colorado, built in 1948. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 33 ft33 ft tall and 275 ft long, taller than 76% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Mckoon
The primary purpose of Mckoon is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Cox, Lee (private). It impounds the Youngs Creek near Cedaredge.
The dam stands 33 feet tall and stretches 275 feet across, creates a reservoir covering 11 acres, and has a maximum storage capacity of 203 acre-feet. Completed in 1948, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. 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 07/15/2021.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Colorado |
| County | Delta |
| Nearest City | Cedaredge |
| River/Stream | Youngs Creek |
| Coordinates | 39.03924, -107.92512 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 32 ft |
| Dam Length | 275 ft |
| Year Completed | 1948 (78 years old) |
Storage & Hydraulics
| NID Storage | 203 acre-ft |
| Max Storage | 203 acre-ft |
| Normal Storage | 137 acre-ft |
| Surface Area | 11 acres |
| Max Discharge | 432 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Cox, Lee |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/15/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO00595 |
| Federal ID | CO00595 |
| More Info | State Dam Safety Program |