The largest Single spring (one orifice). Is Alapaha Rise in
Hamilton County Florida. The Alapaha Rise flows at an average rate
of 802 cf/s. This is almost twice as large as Big Spring in
Missouri.
http://apalacheehills.com/springs/Springbook/FirstMagnitude.htm
Shows all 33 Of Floridas 1st Magnitude springs.
http://en.wikipedia.org/wiki/Spring_%28hydrosphere%29