Hatch Valley Arroyo Dam No. 6
Hatch Valley Arroyo Dam No. 6 is an earth dam located in Doña Ana County, New Mexico, built in 1957. It carries a High hazard potential classification and has a poor condition assessment.
About Hatch Valley Arroyo Dam No. 6
The primary purpose of Hatch Valley Arroyo Dam No. 6 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 Caballo Soil & Water Conservation District (local government). It impounds the Garfield Arroyo near Unincorporated Residents West Of Dam.
The dam stands 53 feet tall and stretches 900 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 326 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1957, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. Notably, no emergency action plan is currently on file for this high-hazard dam. The most recent inspection on record was 02/25/2020.
At 53 feet, this dam is taller than 94% of dams nationwide.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The New Mexico dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | New Mexico |
| County | Doña Ana |
| Nearest City | Unincorporated Residents West Of Dam |
| River/Stream | Garfield Arroyo |
| Coordinates | 32.76096, -107.24712 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 53 ft |
| Dam Height | 46 ft |
| Dam Length | 900 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 326 acre-ft |
| Max Storage | 326 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 10,900 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | CABALLO SOIL & WATER CONSERVATION DISTRICT |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 02/25/2020 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NM00208 |
| Federal ID | NM00208 |
| More Info | State Dam Safety Program |