Wakeman is an earth dam located in Douglas County, Colorado, built in 1959. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 25 ft25 ft tall and 1,500 ft long, taller than 50% 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 Wakeman
The primary purpose of Wakeman 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 Douglas County Open Space (tom Repp) (private). It impounds the Willow Creek near Littleton.
The dam stands 25 feet tall and stretches 1,500 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 131 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1959, the structure is well into its service life at over 50 years old.
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 10/25/2022.
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Location
| State | Colorado |
| County | Douglas |
| Nearest City | Littleton |
| River/Stream | Willow Creek |
| Coordinates | 39.43945, -105.05473 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 10 ft |
| Dam Length | 1,500 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 131 acre-ft |
| Max Storage | 131 acre-ft |
| Normal Storage | 6 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 10,200 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Douglas County Open Space (tom Repp) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/25/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00311 |
| Federal ID | CO00311 |
| More Info | State Dam Safety Program |