FLORIDA GEOLOGICAL SURVEY Discharge The average discharge from 1965 to 1974 was 763 ft3/s (Rosenau et al., 1977). Maximum (October 12, 1964) 1230 ft3/s Minimum (October 3, 1932) 487 ft'/s October 23, 2001 634 ft3/s Table 50. Rainbow Springs Group bacteriological analyses. Bacteria Results (in #/100ml) Analyte Vent No. 1 Vent No. 4 Vent No. 6 Bubbling Escherichia coli 1 KQ 1 AKQ 1 KQ 1 KQ Enterococci 1 KQ 1 AKQ 1 KQ 1 KQ Fecal Coliform 1 KQ 1 AKQ 1 KQ 1 KQ Total Coliform 1 KQ 1 AKQ 1 KQ 1 KQ