Dagger Draw Detention Dam 2 is a gravity dam located in Hidalgo County, New Mexico, built in 1950. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 26 ft26 ft tall and 510 ft long, taller than 55% 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 concrete gravity section and the water level is illustrative.
About Dagger Draw Detention Dam 2
The primary purpose of Dagger Draw Detention Dam 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 Doi BLM (federal). It impounds the Railroad Wash near Duncan, Arizona.
The dam stands 26 feet tall and stretches 510 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 140 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1950, the structure is well-established, with more than 75 years of service.
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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 07/21/2015. That was over 11 years ago.
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Location
| State | New Mexico |
| County | Hidalgo |
| Nearest City | Duncan, Arizona |
| River/Stream | Railroad Wash |
| Coordinates | 32.57995, -109.00937 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 26 ft |
| Dam Length | 510 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 140 acre-ft |
| Max Storage | 140 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 800 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Doi BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/21/2015 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NM00111 |
| Federal ID | NM00111 |
| More Info | State Dam Safety Program |