The spring pool is about 65 ft wide and 160 ft long. It is about 30 ft deep near the vent at the north end of the pool and 31 ft deep near the south edge of the pool. The bottom of the pool slopes up- ward to 5.5 ft where the pool narrows to 57 ft, then deepens southward to a sinkhole about 65 ft wide and 120 ft long. Debris collects at the sinkhole end of the pool as at Kini Spring nearby. Analyses by U.S. Geological Survey.
Units are in milligrams per liter unless otherwise indicated.