Escalante Generating Station Raw Water Storage Dam is an earth dam located in McKinley County, New Mexico, built in 1982. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 10 ft10 ft tall and 2,200 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 Escalante Generating Station Raw Water Storage Dam
The primary purpose of Escalante Generating Station Raw Water Storage Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Tri-state Generation & Transmission Association (public utility). It impounds the Casmero Draw-os near Prewitt.
The dam stands 10 feet tall and stretches 2,200 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 76 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1982, the structure is 44 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. 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 06/19/2019.
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Location
| State | New Mexico |
| County | McKinley |
| Nearest City | Prewitt |
| River/Stream | Casmero Draw-os |
| Coordinates | 35.41450, -108.08780 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 8 ft |
| Dam Length | 2,200 ft |
| Year Completed | 1982 (44 years old) |
Storage & Hydraulics
| NID Storage | 76 acre-ft |
| Max Storage | 76 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Tri-state Generation & Transmission Association |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/19/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NM00640 |
| Federal ID | NM00640 |
| More Info | State Dam Safety Program |