Figure: 30 TAC §298.480(17)

United States Geological Survey Gage 08111500, Brazos River near Hempstead
Season Subsistence Hydrologic
Condition		 Base Dry
Condition
Seasonal
Pulse		 Average
Condition
Seasonal
Pulse		 Wet
Condition
Seasonal
Pulse
Winter 510 cfs Dry 920 cfs 1 per season
Trigger:
5,720 cfs
Volume:
49,800 af
Duration:
10 days		 3 per season
Trigger:
5,720 cfs
Volume:
49,800 af
Duration:
10 days		 2 per season
Trigger:
11,200 cfs
Volume:
125,000 af
Duration:
15 days
Average 1,440 cfs
Wet 2,890 cfs
Spring 510 cfs Dry 1,130 cfs 1 per season
Trigger:
8,530 cfs
Volume:
85,000 af
Duration:
13 days		 3 per season
Trigger:
8,530 cfs
Volume:
85,000 af
Duration:
13 days		 2 per season
Trigger:
16,800 cfs
Volume:
219,000 af
Duration:
19 days
Average 1,900 cfs
Wet 3,440 cfs
Summer 510 cfs Dry 950 cfs 1 per season
Trigger:
2,620 cfs
Volume:
17,000 af
Duration:
7 days		 3 per season
Trigger:
2,620 cfs
Volume:
17,000 af
Duration:
7 days		 2 per season
Trigger:
5,090 cfs
Volume:
40,900 af
Duration:
9 days
Average 1,330 cfs
Wet 2,050 cfs

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