Lewis Reservoir Dam
Lewis Reservoir Dam is an earth dam located in Colfax County, New Mexico, built in 1933. It carries a Low hazard potential classification and has a poor condition assessment.
About Lewis Reservoir Dam
The primary purpose of Lewis Reservoir Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Uu Bar Ranch (private). It impounds the Cimarroncito Creek-os near Cs Ranch Residences.
The dam stands 27 feet tall and stretches 750 feet across, creates a reservoir covering 30 acres, has a maximum storage capacity of 156 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1933, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 09/03/2014. That was over 11 years ago.
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Location
| State | New Mexico |
| County | Colfax |
| Nearest City | Cs Ranch Residences |
| River/Stream | Cimarroncito Creek-os |
| Coordinates | 36.47570, -104.89520 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 16 ft |
| Dam Length | 750 ft |
| Year Completed | 1933 (93 years old) |
Storage & Hydraulics
| NID Storage | 156 acre-ft |
| Max Storage | 156 acre-ft |
| Normal Storage | 109 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | UU BAR RANCH |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 09/03/2014 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NM00140 |
| Federal ID | NM00140 |
| More Info | State Dam Safety Program |