Eustace
Eustace is an earth dam located in McKinley County, New Mexico. It carries a High hazard potential classification.
About Eustace
The primary purpose of Eustace is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Bia (federal). It impounds the Zuni River near Zuni.
The dam stands 14 feet tall and stretches 700 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 323 acre-feet, and collects water from a drainage area of 847 square miles.
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. Notably, no emergency action plan is currently on file for this high-hazard dam. The most recent inspection on record was 05/24/2023.
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 | McKinley |
| Nearest City | Zuni |
| River/Stream | Zuni River |
| Coordinates | 35.07800, -108.81570 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 700 ft |
Storage & Hydraulics
| NID Storage | 323 acre-ft |
| Max Storage | 323 acre-ft |
| Normal Storage | 142 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 847 sq mi |
| Max Discharge | 3,250 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | BIA |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Last Inspection | 05/24/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NM00149 |
| Federal ID | NM00149 |
| More Info | State Dam Safety Program |