Lake Roberts Dam
Lake Roberts Dam is an earth dam located in Grant County, New Mexico, built in 1963. It carries a High hazard potential classification and has a fair condition assessment.
About Lake Roberts Dam
The primary purpose of Lake Roberts Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by New Mexico Department Of Game And Fish (state). It impounds the Sapillo Creek near Unincorporated Community West Of Dam.
The dam stands 64 feet tall and stretches 401 feet across, creates a reservoir covering 61 acres, has a maximum storage capacity of 2,982 acre-feet, and collects water from a drainage area of 89 square miles. Completed in 1963, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 04/21/2020.
At 64 feet, this dam is taller than 96% of all dams in the United States.
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 | Grant |
| Nearest City | Unincorporated Community West Of Dam |
| River/Stream | Sapillo Creek |
| Coordinates | 33.03112, -108.16502 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 64 ft |
| Dam Height | 64 ft |
| Dam Length | 401 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 2,982 acre-ft |
| Max Storage | 2,982 acre-ft |
| Normal Storage | 748 acre-ft |
| Surface Area | 61 acres |
| Drainage Area | 89 sq mi |
| Max Discharge | 66,168 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | NEW MEXICO DEPARTMENT OF GAME AND FISH |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 04/21/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NM00273 |
| Federal ID | NM00273 |
| More Info | State Dam Safety Program |