Rsn Detention Dam 40
Rsn Detention Dam 40 is a gravity dam located in Sandoval County, New Mexico, built in 1968. It carries a Low hazard potential classification.
About Rsn Detention Dam 40
The primary purpose of Rsn Detention Dam 40 is debris control. The dam is designed to catch sediment, rocks, and debris carried by flowing water — particularly important in areas prone to mudslides or heavy erosion. The dam is owned by Doi Blm (federal). It impounds the Arroyo Cachulie near Cuba, Nm.
The dam stands 34 feet tall and stretches 1,589 feet across, creates a reservoir covering 17 acres, and has a maximum storage capacity of 54 acre-feet. Completed in 1968, the structure is well into its service life at over 50 years old.
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. The most recent inspection on record was 08/01/2018.
At 34 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | New Mexico |
| County | Sandoval |
| Nearest City | Cuba, Nm |
| River/Stream | Arroyo Cachulie |
| Coordinates | 35.67420, -106.97765 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 34 ft |
| Dam Length | 1,589 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 54 acre-ft |
| Max Storage | 54 acre-ft |
| Surface Area | 17 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Debris Control |
| Owner | DOI BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 08/01/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NM00710 |
| Federal ID | NM00710 |
| More Info | State Dam Safety Program |