Table of Regional Curve data for the Mountain region:

Stream Name Gage Station ID Stream Type (Rosgen) Drainage Area (mi2) Bankfull Discharge (cfs) Bankfull Xsec Area (ft2) Bankfull Width (ft) Bankfull Mean Depth (ft) Water Surface Slope (ft/ft) Return Interval (Years) Exceedence Probability (%) Mean Annual Rainfall (Inches)
French Broad at Rosman 3439000 E4 67.9 3226 544.9 82.4 6.6 0.0009 1.3 0.77 98
Mills River 3446000 C4 66.7 2263 333 74.3 4.5 0.0035 1.9 0.53 90
Davidson River 3441000 B4c 40.4 1457 316 87.6 3.6 0.004 1.1 0.91 94
Catheys Creek near Brevard 344000 B4c 11.7 470 94.2 38 2.5 0.013 1.67 0.60 94
West Fork of the Pigeon 3455500 B3c 27.6 2433 277.9 80.6 3.4 0.0077 1.10 0.91 70
East Fork Pigeon River 3456500 B 51.5 3450 446.3 107 4.2 incomplete 1.59 0.63 70
Watauga River 3479000 B4c 92.1 3492 572 140.3 4.1 0.0033 1.25 0.80 56
Big Laurel 3454000 B4 126 2763 406 110.8 3.7 0.0045 1.59 0.63 42
East Fork Hickey Fork Creek n/a B3a 2.0 242 39.3 27.4 1.4 0.045 n/a n/a 48
Cold Spring Creek n/a B4 5.0 352 74.4 42.9 1.7 0.025 n/a n/a 50
Caldwell Fork n/a B 13.8 560 79.3 39.4 2.0 0.02 n/a n/a 74
Cataloochee 3460000 B4c 46.9 1320 186.9 58.7 3.2 0.008 1.60 0.63 74
Bee Tree 3450000 B3 5.46 231.5 56 32.1 1.7 incomplete 1.85 0.54
North Fork Swannanoa 344894205 C3 14.5 855.7 170.6 69.3 2.5 incomplete

 

Equations for the Regional Curve Relationships:

Bankfull Cross-Sectional Area vs. Drainage Area: y = 21.61x0.68
Bankfull Discharge vs. Drainage Area: y = 100.64x0.76
Bankfull Width vs. Drainage Area: y = 19.05x0.37
Bankfull Mean Depth vs. Drainage Area: y = 1.11x0.31

* where x = drainage area