Figure: 30 TAC §298.330(e)(18)

United States Geological Survey Gage 08164504, East Mustang Creek near Louise
Season Hydrologic
Condition		 Subsistence Base Small
Seasonal
Pulse
(2 per season)		 Large
Seasonal
Pulse
(1 per season)		 Annual
Pulse
Winter Severe 1 cfs 1 cfs Trigger:
150 cfs
Volume:
680 af
Duration:
5 days		 Trigger:
340 cfs
Volume:
1,700 af
Duration:
8 days		 Trigger:
1,000 cfs
Volume:
6,000 af
Duration:
10 days
Winter Dry N/A 1 cfs
Winter Average N/A 2 cfs
Winter Wet N/A 6 cfs
Spring Severe 1 cfs 1 cfs Trigger:
280 cfs
Volume:
1,400 af
Duration:
7 days		 Trigger:
550 cfs
Volume:
3,000 af
Duration:
9 days
Spring Dry N/A 1 cfs
Spring Average N/A 3 cfs
Spring Wet N/A 6 cfs
Summer Severe 1 cfs 2 cfs Trigger:
20 cfs
Volume:
100 af
Duration:
5 days		 Trigger:
60 cfs
Volume:
310 af
Duration:
6 days
Summer Dry N/A 2 cfs
Summer Average N/A 5 cfs
Summer Wet N/A 8 cfs
Fall Severe 1 cfs 1 cfs Trigger:
150 cfs
Volume:
650 af
Duration:
6 days		 Trigger:
430 cfs
Volume:
2,100 af
Duration:
7 days
Fall Dry N/A 1 cfs
Fall Average N/A 3 cfs
Fall Wet N/A 8 cfs

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