Table 1: Hydraulic geometry, survey summary, and flood frequency analyses for gaged and ungaged stream reaches.
Stream 

Name

Gage Station

ID

Drainage

Area

(mi2)

Stream

Type

(Rosgen)

Bankfull

Discharge

(cfs)

Bankfull

Xsec Area

(ft2)

Bankfull

Width

(ft)

Bankfull Mean

Depth

(ft)

Water Surface

Slope

(ft/ft)

Return

Interval

(Years)

Exceedence

Probability

(%)

Sal's Branch
Reference Reach
0.2
E4
55.4
10.4
8.7
1.2
0.0109
n/a
n/a
Humpy Creek
02117030
1.05
E5
83.0
15.8
12.0
1.3
0.0060
1.7
59
Dutchmans
02123567
3.44
C5
85.1
45.6
23.5
1.9
0.0170
1
100
Mill Creek
Reference Reach
4.7
E4
277
46.7
24.5
1.9
0.0080
n/a
n/a
Upper Mitchell River
Reference Reach
6.5
B4c
356
62.5
29.2
2.1
0.0095
n/a
n/a
Norwood Creek
0214253830
7.18
E5
253.7
98.8
32.0
3.1
0.0008
1.1
91
North Pott's Creek
02121180
9.6
E5
507.2
89.6
25.4
3.5
0.0012
1.7
59
Tick Creek
02101800
15.5
E
655.3
194
40.5
4.8
0.0005
1.3
77
Moon Creek
02075160
29.9
E5
708.8
162
33.0
4.9
0.0015
1.8
56
Long Creek
02144000
31.8
E5
1041
195
40.0
4.9
0.0010
1.4
71
Little Yadkin River
02114450
42.8
G5
2236
469
77.5
6.1
0.0018
1.4
71
Mitchell River
02112360
78.8
C
2681
377
77.0
4.9
0.0030
1.6
63
Fisher River
02113000
128
C3
3687
578
101
5.7
0.0023
1.4
71

Equations

Bankfull Cross-Sectional Area vs. Drainage Area:  y = 21.43x0.68

Bankfull Discharge vs. Drainage Area: y = 89.04x0.72

Bankfull Width vs. Drainage Area: y = 11.89x0.43

Bankfull Mean Depth vs. Drainage Area:  y = 1.5x0.32