Ehmann, Frank Det. #2
Ehmann, Frank Det. #2 is an earth dam located in Elbert County, Colorado, built in 1969. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Ehmann, Frank Det. #2
The primary purpose of Ehmann, Frank Det. #2 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 Frank O. Ehmann (private). It impounds the Middle Bijou Creek-tr near Byers.
The dam stands 28 feet tall and stretches 901 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 186 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1969, 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 07/18/1991. That was over 34 years ago.
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Location
| State | Colorado |
| County | Elbert |
| Nearest City | Byers |
| River/Stream | Middle Bijou Creek-tr |
| Coordinates | 39.44667, -104.12723 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 23 ft |
| Dam Length | 901 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 186 acre-ft |
| Max Storage | 186 acre-ft |
| Normal Storage | 113 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 2,538 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | FRANK O. EHMANN |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/18/1991 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00008 |
| Federal ID | CO00008 |
| More Info | State Dam Safety Program |