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Home Page → Springs → Learn About West-Central Florida’s Springs
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What is a spring?

A spring is a natural opening in the ground where water flows directly from the aquifer to the earth’s surface. The source of this fresh water is from seasonal rainfall that soaks into the ground, which is referred to as groundwater. Springs form when groundwater is under pressure and flows up through an opening called a spring vent, supplying flow to a river or other water body. A spring can occur individually or as a group of many springs.

What is a springshed?

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A spring is only as healthy as its springshed, which is the area of land that contributes water to a spring. This area includes much more than just the land surrounding a spring. For example, the Rainbow Springs Group has a springshed that covers several hundred square miles and extends into three counties. Your actions at home, which may be many miles from a spring, can affect the health of the spring and the water flowing from it. Find out if you live in a springshed — view map of generalized springshed boundaries.

Why are springs important?

Florida’s springs and their associated rivers and bays have tremendous ecological value, and are home to countless plants and animals. Spring vents are windows into the aquifer, which is the major source of our drinking water.

Additionally, the springs’ crystal, calm flows and constant temperatures make them an ideal spot for a variety of recreational opportunities. Some ways people enjoy their beauty are by snorkeling, scuba diving and kayaking. Many come seeking a glance of the springs’ most famous seasonal residents — the manatee.

That interest translates to a large economic impact for the small communities that surround these systems. Springs generate about 900 jobs. And the state parks associated with some of these springs bring in about one million out-of-state tourists a year, which translates to a $46 million economic impact.

What makes a healthy spring?

Springs throughout Florida and within the District vary widely in their size, ecology and human uses. However, there are four attributes that are common to healthy springs and can be used to assess their condition. They are flow, water clarity, aquatic vegetation, and fish and wildlife.

Springs flow - Rainbow SpringsFlow — The amount of water that discharges from a spring vent, or in most cases a collection of spring vents, is the primary feature of a spring system. Spring flow creates and maintains the spring run. Without adequate flow, the ecology and human use potential of a spring diminishes.


Springs flow - Rainbow SpringsWater Clarity — A defining characteristic of Florida springs is extremely clear water. High water clarity is a primary driver of the productive aquatic vegetation which supports spring ecosystems.


Springs flow - Rainbow SpringsAquatic Vegetation — Another characteristic of most Florida springs is dense aquatic vegetation, which provides habitat for many organisms, removes nutrients from the water, and improves water clarity by filtering particles.


Springs flow - Rainbow SpringsFish and Wildlife – Florida springs are also known for their abundance and diversity of fish and wildlife, including birds, turtles, alligators, and otters. Due to close proximity to the Gulf of Mexico, many District springs have especially high fish diversity since they are home to both marine and freshwater species. Several springs also serve as warm water refuges for the endangered West Indian manatee in the winter.

How are springs threatened? »

 
 
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