Floridan Aquifer System
4 states · 260,000 sq km · karst
Moderate Risk
About the Floridan Aquifer System
The Floridan Aquifer is one of the most productive aquifers in the world, supplying drinking water to nearly 10 million people and feeding the largest concentration of freshwater springs on Earth. Its karst limestone geology creates both extraordinary productivity and vulnerability to contamination.
Area
260,000 km²
Depth Range
250–2,000 ft
States
4
Rock Type
Limestone (karst)
Key Facts
- ▸Supplies drinking water to about 10 million people
- ▸Feeds 33 first-magnitude springs in Florida alone
- ▸Covers all of Florida plus parts of Georgia, South Carolina, and Alabama
- ▸Highly vulnerable to saltwater intrusion along Florida coasts
- ▸Primary source for agricultural irrigation in north-central Florida
States Overlying the Floridan Aquifer System
Explore Water Assets Over the Floridan Aquifer System
See every tracked spring, well, and water right that draws from this aquifer on our interactive map.
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