Figure: 30 TAC §298.330(e)(19)

United States Geological Survey Gage 08164503, West Mustang Creek near Ganado
Season Hydrologic
Condition		 Subsistence Base Small
Seasonal
Pulse
(2 per season)		 Large
Seasonal
Pulse
(1 per season)		 Annual
Pulse
Winter Severe 1 cfs 4 cfs Trigger:
470 cfs
Volume:
2,400 af
Duration:
6 days		 Trigger:
1,000 cfs
Volume:
5,600 af
Duration:
8 days		 Trigger:
1,000 cfs
Volume:
5,600 af
Duration:
8 days
Winter Dry N/A 4 cfs
Winter Average N/A 9 cfs
Winter Wet N/A 20 cfs
Spring Severe 1 cfs 5 cfs Trigger:
810 cfs
Volume:
4,400 af
Duration:
6 days		 Trigger:
1,000 cfs
Volume:
5,600 af
Duration:
8 days
Spring Dry N/A 5 cfs
Spring Average N/A 11 cfs
Spring Wet N/A 20 cfs
Summer Severe 1 cfs 10 cfs Trigger:
75 cfs
Volume:
420 af
Duration:
4 days		 Trigger:
190 cfs
Volume:
1,200 af
Duration:
6 days
Summer Dry N/A 10 cfs
Summer Average N/A 18 cfs
Summer Wet N/A 32 cfs
Fall Severe 1 cfs 6 cfs Trigger:
470 cfs
Volume:
2,200 af
Duration:
6 days		 Trigger:
1,000 cfs
Volume:
5,600 af
Duration:
8 days
Fall Dry N/A 6 cfs
Fall Average N/A 14 cfs
Fall Wet N/A 26 cfs

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