Sandia Pueblo 83-a
Sandia Pueblo 83-a is an earth dam located in Sandoval County, New Mexico, built in 1983. It carries a Significant hazard potential classification and has a poor condition assessment.
About Sandia Pueblo 83-a
The primary purpose of Sandia Pueblo 83-a is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Bia (federal). It impounds the Unnamed Wash, Rio Grande -tr near Sandia Pueblo.
The dam stands 23 feet tall and stretches 1,750 feet across, has a maximum storage capacity of 88 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1983, the structure is 43 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 09/12/2005. That was over 20 years ago.
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Location
| State | New Mexico |
| County | Sandoval |
| Nearest City | Sandia Pueblo |
| River/Stream | Unnamed Wash, Rio Grande -tr |
| Coordinates | 35.26210, -106.56730 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 18 ft |
| Dam Length | 1,750 ft |
| Year Completed | 1983 (43 years old) |
Storage & Hydraulics
| NID Storage | 88 acre-ft |
| Max Storage | 88 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,840 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | BIA |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 09/12/2005 |
| Emergency Action Plan | No |
Identifiers
| NID ID | NM00730 |
| Federal ID | NM00730 |
| More Info | State Dam Safety Program |