Figure: 30 TAC §298.480(18)

United States Geological Survey Gage 08114000, Brazos River at Richmond
Season Subsistence Hydrologic
Condition		 Base Dry
Condition
Seasonal
Pulse		 Average
Condition
Seasonal
Pulse		 Wet
Condition
Seasonal
Pulse
Winter 550 cfs Dry 990 cfs 1 per season
Trigger:
6,410 cfs
Volume:
60,600 af
Duration:
11 days		 3 per season
Trigger:
6,410 cfs
Volume:
60,600 af
Duration:
11 days		 2 per season
Trigger:
12,400 cfs
Volume:
150,000 af
Duration:
16 days
Average 1,650 cfs
Wet 3,310 cfs
Spring 550 cfs Dry 1,190 cfs 1 per season
Trigger:
8,930 cfs
Volume:
94,000 af
Duration:
13 days		 3 per season
Trigger:
8,930 cfs
Volume:
94,000 af
Duration:
13 days		 2 per season
Trigger:
16,300 cfs
Volume:
215,000 af
Duration:
19 days
Average 2,140 cfs
Wet 3,980 cfs
Summer 550 cfs Dry 930 cfs 1 per season
Trigger:
2,460 cfs
Volume:
16,400 af
Duration:
6 days		 3 per season
Trigger:
2,460 cfs
Volume:
16,400 af
Duration:
6 days		 2 per season
Trigger:
5,430 cfs
Volume:
46,300 af
Duration:
10 days
Average 1,330 cfs
Wet 2,190 cfs

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