San Gregorio Dam
San Gregorio Dam is an earth dam located in Rio Arriba County, New Mexico, built in 1947. It carries a Low hazard potential classification and has a fair condition assessment.
About San Gregorio Dam
The primary purpose of San Gregorio Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Nacimiento Community Irrigation Company And Nmdgf (local government). It impounds the Clear Creek near Canones.
The dam stands 28 feet tall and stretches 1,074 feet across, creates a reservoir covering 33 acres, has a maximum storage capacity of 500 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1947, the structure is well-established, with more than 75 years of service.
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 08/16/2018.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | New Mexico |
| County | Rio Arriba |
| Nearest City | Canones |
| River/Stream | Clear Creek |
| Coordinates | 36.03804, -106.84952 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 1,074 ft |
| Year Completed | 1947 (79 years old) |
Storage & Hydraulics
| NID Storage | 500 acre-ft |
| Max Storage | 500 acre-ft |
| Normal Storage | 254 acre-ft |
| Surface Area | 33 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 228 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | NACIMIENTO COMMUNITY IRRIGATION COMPANY AND NMDGF |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/16/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NM00185 |
| Federal ID | NM00185 |
| More Info | State Dam Safety Program |