W. Cherry Creek Det. #11 is an earth dam located in Douglas County, Colorado, built in 1961. It carries a Low hazard potential classification.
Dam profile
NID height · 40 ft40 ft tall and 856 ft long, taller than 86% 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 W. Cherry Creek Det. #11
The primary purpose of W. Cherry Creek Det. #11 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 Humbles, Zak (private). It impounds the West Cherry Creek-tr near Franktown.
The dam stands 40 feet tall and stretches 856 feet across, creates a reservoir covering 23 acres, has a maximum storage capacity of 418 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1961, 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. The most recent inspection on record was 09/28/2020.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Colorado |
| County | Douglas |
| Nearest City | Franktown |
| River/Stream | West Cherry Creek-tr |
| Coordinates | 39.21444, -104.70418 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 37 ft |
| Dam Length | 856 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 418 acre-ft |
| Max Storage | 418 acre-ft |
| Normal Storage | 292 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 6,220 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Humbles, Zak |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/28/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00323 |
| Federal ID | CO00323 |
| More Info | State Dam Safety Program |