System Region Depth Cave Cavern OW Last Report Remarks
    Alley Spring Shannon 145 True False False Permit
    Bennet Springs Laclede 85 True False False
    Blue Spring Shannon 280 True False False Permit
    Boiling Spring Texas 150 True False False 1/27/2017
    Cannonball Cave Wayne 300 True False False 1/28/2017
    Maramec Spring Phelps True False False Permit
    Morgan Big Spring Laclede 20 True False False 11/4/2012
    Roubidoux Spring Pulaski 264 True False False 9/22/2017
    Welch Spring Shannon 150 True False False Permit