Lake Isabel Dam is an earth dam located in San Miguel County, New Mexico, built in 1919. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 15 ft15 ft tall and 2,100 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 Lake Isabel Dam
The primary purpose of Lake Isabel Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Kirkpatrick, K. W. (private). It impounds the Sapello-tr near Watrous.
The dam stands 15 feet tall and stretches 2,100 feet across, creates a reservoir covering 600 acres, has a maximum storage capacity of 6,500 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1919, the structure is over a century 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. 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 06/01/2016. That was over 10 years ago.
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Location
| State | New Mexico |
| County | San Miguel |
| Nearest City | Watrous |
| River/Stream | Sapello-tr |
| Coordinates | 35.74980, -105.13640 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 2,100 ft |
| Year Completed | 1919 (107 years old) |
Storage & Hydraulics
| NID Storage | 6,500 acre-ft |
| Max Storage | 6,500 acre-ft |
| Normal Storage | 6,500 acre-ft |
| Surface Area | 600 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 300 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Kirkpatrick, K. W. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/01/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NM00178 |
| Federal ID | NM00178 |
| More Info | State Dam Safety Program |