Port Mayaca Lock and Dam

The Port Mayaca Lock is a navigable lock and dam on the Okeechobee Waterway (St. Lucie Canal), adjacent to U.S. Route 441 and U.S. Route 98 at Canal Point, in Martin County, Florida, United States.[1]

Port Mayaca Lock and Dam
View through open lakeside gates of the Port Mayaca Navigational Lock, onto Lake Okeechobee.
Official namePort Mayaca Lock and Dam
Location Canal Point, Florida, United States
Opening date1977
Construction cost$13,100,000
Dam and spillways
Length400 feet
Width (base)56 feet

It is located near Port Mayaca at latitude 26° 59" 5', longitude -80° 37" 5'.[2]

Port Mayaca Lock is open daily from 7:00am to 5:00pm. New Lock hour as of 1 April 2015.[3]

The total cost of construction was $13.1 million.[3]

Purpose

This structure was created to help raise the water level in the lake, for the purpose of retaining fresh water for agricultural use, city water supply, and for navigation. It also serves for regulating flood control water into the Everglades during hurricane season.[4]

Technical information

The lock chamber is 56 feet (17 m) wide by 400 feet (120 m) long, and 14 feet (4.3 m) deep. The lift distance between the St. Lucie Canal and Lake Okeechobee is normally 1/2 to 2 feet (0.61 m). The channel width is 100 feet (30 m), and 8 feet (2.4 m) deep.[3]

The lock gates are "sector gates" (pie-slice shaped), and are made of steel. The spillway is ogee-type concrete, with 4 vertical lift gates.[3]

The discharge capacity is 14,800 cubic feet per second (420 m3/s).[3]

Radio channel

This lock operates on Marine VHF radio channel 13.[3]

See also

References

  1. "New Port Mayaca Lock FL" (PDF). Archived from the original (PDF) on 2006-09-27. Retrieved 2010-08-25.
  2. "Port Mayaca Lock - Florida, United States". Marinas.com. Retrieved 2010-08-25.
  3. "Archived copy" (PDF). Archived from the original (PDF) on 2011-07-25. Retrieved 2010-08-25.{{cite web}}: CS1 maint: archived copy as title (link)
  4. American Canal Society Report Archived 2006-09-27 at the Wayback Machine

26.984531°N 80.621105°W / 26.984531; -80.621105

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