Figure: 30 TAC §298.330(e)(5)

United States Geological Survey Gage 08136500, Concho River at Paint Rock
Season Hydrologic
Condition
Subsistence Base Small
Seasonal
Pulse
(2 per season)
Large
Seasonal Pulse
(1 per season)
Annual
Pulse
Winter Severe 1 cfs 8 cfs Trigger:
61 cfs
Volume:
400 af
Duration:
10 days
Trigger:
160 cfs
Volume:
1,200 af
Duration:
16 days
Trigger:
3,000 cfs
Volume:
13,500 af
Duration:
19 days
Winter Dry N/A 8 cfs
Winter Average N/A 20 cfs
Winter Wet N/A 36 cfs
Spring Severe 1 cfs 4 cfs Trigger:
500 cfs
Volume:
2,000 af
Duration:
8 days
Trigger:
1,400 cfs
Volume:
5,700 af
Duration:
11 days
Spring Dry N/A 4 cfs
Spring Average N/A 14 cfs
Spring Wet N/A 27 cfs
Summer Severe 1 cfs 1 cfs Trigger:
32 cfs
Volume:
140 af
Duration:
6 days
Trigger:
110 cfs
Volume:
520 af
Duration:
8 days
Summer Dry N/A 1 cfs
Summer Average N/A 4 cfs
Summer Wet N/A 12 cfs
Fall Severe 1 cfs 5 cfs Trigger:
74 cfs
Volume:
330 af
Duration:
7 days
Trigger:
300 cfs
Volume:
1,300 af
Duration:
10 days
Fall Dry N/A 5 cfs
Fall Average N/A 16 cfs
Fall Wet N/A 29 cfs

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