C-44 Reservoir

C-44 Reservoir is an earth dam located in Martin County, Florida, built in 2021. It carries a High hazard potential classification.

About C-44 Reservoir

C-44 Reservoir is a dam in Martin, Florida. The dam is owned by Sfwmd;usace - Jacksonville District (federal). It impounds the C-44 (st. Lucie)-os near Indiantown.

The dam stands 34 feet tall and stretches 49,000 feet across, creates a reservoir covering 3,420 acres, and has a maximum storage capacity of 65,650 acre-feet. Completed in 2021, the structure is relatively new.

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 09/11/2021.

At 34 feet, this dam is taller than 80% 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 Florida 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

StateFlorida
CountyMartin
Nearest CityIndiantown
River/StreamC-44 (st. Lucie)-os
Coordinates27.09682, -80.44704

Physical Characteristics

Dam TypeEarth
NID Height34 ft
Dam Height30 ft
Dam Length49,000 ft
Year Completed2021 (5 years old)

Storage & Hydraulics

NID Storage65,650 acre-ft
Max Storage65,650 acre-ft
Normal Storage50,600 acre-ft
Surface Area3,420 acres
Max Discharge1,100 cfs
Spillway TypeControlled

Ownership & Safety

PurposeOther
OwnerSFWMD;USACE - Jacksonville District
Owner TypeFederal
Hazard ClassificationHigh
Condition AssessmentNot Available
Last Inspection09/11/2021
Emergency Action PlanYes

Identifiers

NID IDFL29000
Federal IDFL29000

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