Figure: 30 TAC §298.330(e)(6)

United States Geological Survey Gage 08128000, South Concho River at Christoval
Season Hydrologic
Condition
Subsistence Base Small
Seasonal
Pulse
(2 per season)
Large
Seasonal
Pulse
(1 per season)
Annual
Pulse
Winter Severe 2 cfs 9 cfs N/A N/A Trigger:
420 cfs
Volume:
1,400 af
Duration:
9 days
Winter Dry N/A 9 cfs
Winter Average N/A 15 cfs
Winter Wet N/A 22 cfs
Spring Severe 3 cfs 9 cfs N/A N/A
Spring Dry N/A 9 cfs
Spring Average N/A 15 cfs
Spring Wet N/A 22 cfs
Summer Severe 2 cfs 7 cfs N/A N/A
Summer Dry N/A 7 cfs
Summer Average N/A 12 cfs
Summer Wet N/A 22 cfs
Fall Severe 2 cfs 7 cfs N/A Trigger:
45 cfs
Volume:
190 af
Duration:
7 days
Fall Dry N/A 7 cfs
Fall Average N/A 12 cfs
Fall Wet N/A 22 cfs

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