Secho Detention Dam
Secho Detention Dam is a gravity dam located in Hidalgo County, New Mexico, built in 1954. It carries a Low hazard potential classification and has a fair condition assessment.
About Secho Detention Dam
The primary purpose of Secho Detention Dam 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 17 feet tall and stretches 925 feet across, creates a reservoir covering 46 acres, has a maximum storage capacity of 100 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1954, 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 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 07/22/2015. That was over 10 years ago.
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Location
| State | New Mexico |
| County | Hidalgo |
| Nearest City | Duncan, Arizona |
| River/Stream | Railroad Wash |
| Coordinates | 32.50116, -108.99151 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 17 ft |
| Dam Length | 925 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 100 acre-ft |
| Max Storage | 100 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 46 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 1,382 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | DOI BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/22/2015 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NM00116 |
| Federal ID | NM00116 |
| More Info | State Dam Safety Program |