Figure: 30 TAC §298.380(c)(13)(A)

United States Geological Survey Gage 08183500, San Antonio River near Falls City:
Subsistence Flows, Base Flows, and Small Seasonal Pulses
Season	Hydrologic Condition	Subsistence	Base	Small Seasonal Pulse (1 per season)
Winter	Dry	60 cfs	152 cfs	Trigger: 830 cfs Volume: 6,330 af Duration: 16 days
Winter	Average	N/A	292 cfs
Winter	Wet	N/A	424 cfs
Spring	Dry	60 cfs	137 cfs	Trigger: 1,670 cfs Volume: 12,300 af Duration: 19 days
Spring	Average	N/A	264 cfs
Spring	Wet	N/A	467 cfs
Summer	Dry	60 cfs	113 cfs	Trigger: 1,030 cfs Volume: 6,440 af Duration: 14 days
Summer	Average	N/A	199 cfs
Summer	Wet	N/A	430 cfs
Fall	Dry	60 cfs	117 cfs	Trigger: 850 cfs Volume: 5,690 af Duration: 14 days
Fall	Average	N/A	246 cfs
Fall	Wet	N/A	479 cfs

cfs = cubic feet per second
af = acre-feet
N/A = not applicable