C-43 Reservoir

C-43 Reservoir is an earth dam located in Hendry County, Florida, built in 2025. It carries a High hazard potential classification.

About C-43 Reservoir

C-43 Reservoir is a dam in Hendry, Florida. The dam is owned by Sfwmd;usace - Jacksonville District (local government). It impounds the Townsend Canal - Os near Labelle.

The dam stands 43 feet tall and stretches 101,055 feet across, creates a reservoir covering 9,700 acres, has a maximum storage capacity of 211,327 acre-feet, and collects water from a drainage area of 529,000 square miles. Completed in 2025, 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.

At 43 feet, this dam is taller than 89% 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 Hazard ConditionEmergency Action Plan: Yes

Location

StateFlorida
CountyHendry
Nearest CityLabelle
River/StreamTownsend Canal - Os
Coordinates26.68100, -81.51000

Physical Characteristics

Dam TypeEarth
NID Height43 ft
Dam Height38 ft
Dam Length101,055 ft
Year Completed2025 (1 years old)

Storage & Hydraulics

NID Storage211,327 acre-ft
Max Storage211,327 acre-ft
Normal Storage173,000 acre-ft
Surface Area9,700 acres
Drainage Area529,000 sq mi
Max Discharge735 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeOther
OwnerSFWMD;USACE - Jacksonville District
Owner TypeLocal Government
Hazard ClassificationHigh
Emergency Action PlanYes

Identifiers

NID IDFL90105
Federal IDFL90105

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