Stillwater is an earth dam located in Douglas County, Colorado, built in 1999. It carries a Low hazard potential classification.
Dam profile
NID height · 27 ft27 ft tall and 1,100 ft long, taller than 59% 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 Stillwater
The primary purpose of Stillwater is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lake Imagination at the Timbers (charlie Whiteside (private). It impounds the Antelope Creek near Franktown.
The dam stands 27 feet tall and stretches 1,100 feet across, creates a reservoir covering 22 acres, has a maximum storage capacity of 326 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1999, the structure is 27 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 10/08/2013. That was over 13 years ago.
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Location
| State | Colorado |
| County | Douglas |
| Nearest City | Franktown |
| River/Stream | Antelope Creek |
| Coordinates | 39.15362, -104.80779 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 1,100 ft |
| Year Completed | 1999 (27 years old) |
Storage & Hydraulics
| NID Storage | 326 acre-ft |
| Max Storage | 326 acre-ft |
| Normal Storage | 155 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 105 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Lake Imagination at the Timbers (charlie Whiteside |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/08/2013 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02811 |
| Federal ID | CO02811 |
| More Info | State Dam Safety Program |