Ehmann, Frank Det. #1
Ehmann, Frank Det. #1 is an earth dam located in Elbert County, Colorado, built in 1967. It carries a Low hazard potential classification.
About Ehmann, Frank Det. #1
The primary purpose of Ehmann, Frank Det. #1 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 24 feet tall and stretches 539 feet across, creates a reservoir covering 5 acres, and has a maximum storage capacity of 59 acre-feet. Completed in 1967, 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 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 | 39.43640, -104.19168 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 20 ft |
| Dam Length | 539 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 59 acre-ft |
| Max Storage | 59 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 5 acres |
| Max Discharge | 1,200 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | FRANK O. EHMANN |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 07/18/1991 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00068 |
| Federal ID | CO00068 |
| More Info | State Dam Safety Program |