Figure: 30 TAC §298.480(19)

United States Geological Survey Gage 08116650, Brazos River near Rosharon
Season Subsistence Hydrologic
Condition		 Base Dry
Condition
Seasonal
Pulse		 Average
Condition
Seasonal
Pulse		 Wet
Condition
Seasonal
Pulse
Winter 430 cfs Dry 1,140 cfs 1 per season
Trigger:
9,090 cfs
Volume:
94,700 af
Duration:
12 days		 3 per season
Trigger:
9,090 cfs
Volume:
94,700 af
Duration:
12 days		 2 per season
Trigger:
13,600 cfs
Volume:
168,000 af
Duration:
16 days
Average 2,090 cfs
Wet 4,700 cfs
Spring 430 cfs Dry 1,250 cfs 1 per season
Trigger:
6,580 cfs
Volume:
58,500 af
Duration:
10 days		 3 per season
Trigger:
6,580 cfs
Volume:
58,500 af
Duration:
10 days		 2 per season
Trigger:
14,200 cfs
V Volume:
184,000 af
Duration:
18 days
Average 2,570 cfs
Wet 4,740 cfs
Summer 430 cfs Dry 930 cfs 1 per season
Trigger:
2,490 cfs
Volume:
14,900 af
Duration:
6 days		 3 per season
Trigger:
2,490 cfs
Volume:
14,900 af
Duration:
6 days		 2 per season
Trigger:
4,980 cfs
Volume:
39,100 af
Duration:
9 days
Average 1,420 cfs
Wet 2,630 cfs

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