Manatee Springs
Located in Cheifland, Florida, it is considered a First Magnitude spring. Springs are classified by size and a first magnitude spring is one that discharges at least 65 million gallons of water per day.
As you can see by the third picture, Manatee Springs ranks 4th, discharging about 150 million gallons per day. Rainbow River is #1 with over 400 million gallons per day.
