As South Florida's regional water management agency, the South Florida Water Management District
is responsible for providing flood control, restoring natural systems
and ensuring a sustainable water supply for more than 7.7 million
residents.
This can be a daunting task. One of the most
challenging aspects of water management in South Florida is not the
50-plus inches of rain that falls in our backyards each year. Rather, it
is finding a place to store that water for beneficial use during dry
times.
South Florida's flat landscape means that when it rains,
without storage, water must be discharged through our extensive canal
system to the ocean to prevent flooding. To capture this "lost" water
and use it to support Everglades
restoration and regional water supply needs, the district is working
hard to identify and implement storage solutions. These can come in many
shapes and sizes, from aboveground reservoirs and deep injection wells
to shallow storage on agricultural lands.
A unique geological formation in Palm Beach County
is providing us with one of the more creative water storage solutions.
The 950-acre L-8 reservoir is a strategically located former rock mine
with a watertight geology. A component of Everglades restoration, this
deep-ground reservoir will contribute to cleaner water for the
Everglades, restoration of the Loxahatchee River and improved water
quality in the Lake Worth
Lagoon. Along with environmental benefits, it also offers residential
advantages such as flood control and supplementing urban water supplies.
Approved in 2002, this first-of-its-kind project provides 15 billion
gallons of water storage, enough to fill 24,000 football fields one foot
deep in water. And, at an investment of $6,000 per acre-foot, the rock
mine saves taxpayers millions of dollars compared to constructing an
above ground reservoir.
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