Nanaka is an earth dam located in Sandoval County, New Mexico, built in 1960. It carries a Significant hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 25 ft25 ft tall and 327 ft long, taller than 50% of U.S. dams with a recorded height. 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 Nanaka
The primary purpose of Nanaka 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 Santa Clara Creek near Santa Clara Pueblo.
The dam stands 25 feet tall and stretches 327 feet across, creates a reservoir covering 2 acres, has a storage capacity of 24 acre-feet, and collects water from a drainage area of 16 square miles. Completed in 1960, the structure is well into its service life at over 50 years old.
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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 06/13/2007. That was over 19 years ago.
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Location
| State | New Mexico |
| County | Sandoval |
| Nearest City | Santa Clara Pueblo |
| River/Stream | Santa Clara Creek |
| Coordinates | 35.97514, -106.36878 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 327 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 24 acre-ft |
| Normal Storage | 24 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 16 sq mi |
| Max Discharge | 1,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Bia |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 06/13/2007 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NM00683 |
| Federal ID | NM00683 |
| More Info | State Dam Safety Program |