Ana Mariaâ V Dam

Ana Mariaâ V Dam is an earth dam located in Ponce County, Puerto Rico, built in 1939. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Ana Mariaâ V Dam

The primary purpose of Ana Mariaâ V Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Sucesion Serrallesâ Inc. (private). It impounds the Canal From Ana Mariaâ Ii Reservoir near Ponce.

The dam stands 53 feet tall and stretches 1,976 feet across, creates a reservoir covering 73 acres, has a maximum storage capacity of 2,205 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1939, the structure is well-established, with more than 75 years of service.

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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 02/12/2022.

At 53 feet, this dam is taller than 94% of dams nationwide.

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 Puerto Rico 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 HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StatePuerto Rico
CountyPonce
Nearest CityPonce
River/StreamCanal From Ana Mariaâ Ii Reservoir
Coordinates18.05637, -66.56167

Physical Characteristics

Dam TypeEarth
NID Height53 ft
Dam Height53 ft
Dam Length1,976 ft
Year Completed1939 (87 years old)

Storage & Hydraulics

NID Storage2,381 acre-ft
Max Storage2,205 acre-ft
Normal Storage2,381 acre-ft
Surface Area73 acres
Drainage Area0 sq mi
Max Discharge2,577 cfs
Spillway TypeNone

Ownership & Safety

PurposeIrrigation
OwnerSUCESION SERRALLES INC.
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection02/12/2022
Emergency Action PlanYes

Identifiers

NID IDPR00031
Federal IDPR00031
More InfoState Dam Safety Program

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