Santa Rosa Dam

Santa Rosa Dam is a rockfill dam located in Guadalupe County, New Mexico, built in 1979. It carries a High hazard potential classification.

About Santa Rosa Dam

The primary purpose of Santa Rosa Dam 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 Usace - Albuquerque District (federal). It impounds the Pecos River near Santa Rosa.

The dam stands 214 feet tall and stretches 1,900 feet across, creates a reservoir covering 16,670 acres, has a maximum storage capacity of 717,000 acre-feet, and collects water from a drainage area of 2,434 square miles. Completed in 1979, the structure is 47 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. An emergency action plan is in place for this dam. The most recent inspection on record was 04/07/2022.

At 214 feet, this dam is taller than 99% of all dams in the United States.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The New Mexico dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateNew Mexico
CountyGuadalupe
Nearest CitySanta Rosa
River/StreamPecos River
Coordinates35.02833, -104.68830

Physical Characteristics

Dam TypeRockfill
NID Height214 ft
Dam Height214 ft
Dam Length1,900 ft
Year Completed1979 (47 years old)

Storage & Hydraulics

NID Storage717,000 acre-ft
Max Storage717,000 acre-ft
Normal Storage200,000 acre-ft
Surface Area16,670 acres
Drainage Area2,434 sq mi
Max Discharge353,000 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerUSACE - Albuquerque District
Owner TypeFederal
Hazard ClassificationHigh
Condition AssessmentNot Available
Last Inspection04/07/2022
Emergency Action PlanYes

Identifiers

NID IDNM00158
Federal IDNM00158
More InfoState Dam Safety Program

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