San Gregorio Dam
Key Takeaway
San Gregorio Dam is classified as low hazard in New Mexico. It was completed in 1947 and is 79 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 28 ft (taller than 38.7% in NM) |
| Dam Length | 1,074 ft |
| Dam Type | Earth |
| Max Storage | 500 acre-ft |
| Normal Storage | 254 acre-ft |
| Surface Area | 33 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 228 cfs |
| Year Completed | 1947 (79 years old) |
| Year Modified | 1958 |
| NID ID | NM00185 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
NACIMIENTO COMMUNITY IRRIGATION COMPANY AND NMDGF
Local Government
Frequently Asked Questions
What is the hazard classification of San Gregorio Dam?
San Gregorio Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates San Gregorio Dam?
San Gregorio Dam is owned by NACIMIENTO COMMUNITY IRRIGATION COMPANY AND NMDGF (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was San Gregorio Dam built?
San Gregorio Dam was completed in 1947, making it 79 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of San Gregorio Dam?
San Gregorio Dam serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is San Gregorio Dam?
San Gregorio Dam has a dam height of 28 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was San Gregorio Dam last inspected?
San Gregorio Dam was last inspected on August 16, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.