Upper of Lower Canjilon Lake Dam is an earth dam located in Rio Arriba County, New Mexico, built in 1948. It carries a Significant hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall and 385 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Upper of Lower Canjilon Lake Dam
The primary purpose of Upper of Lower Canjilon Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Usda Fs (federal). It impounds the Tr Canjilon Creek near Pvt Ranch.
The dam stands 10 feet tall and stretches 385 feet across, creates a reservoir covering 3 acres, and has a maximum storage capacity of 20 acre-feet. Completed in 1948, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 09/28/2009. That was over 17 years ago.
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Location
| State | New Mexico |
| County | Rio Arriba |
| Nearest City | Pvt Ranch |
| River/Stream | Tr Canjilon Creek |
| Coordinates | 36.55576, -106.33034 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 385 ft |
| Year Completed | 1948 (78 years old) |
Storage & Hydraulics
| NID Storage | 20 acre-ft |
| Max Storage | 20 acre-ft |
| Normal Storage | 14 acre-ft |
| Surface Area | 3 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Usda Fs |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 09/28/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NM00725 |
| Federal ID | NM00725 |
| More Info | State Dam Safety Program |