PERMFILE48475

• Permit No: C1982057A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: Sediment Pond SEDCAD Results
• Section_Exhibit Name: Tab 13 Attachment 13-5B Appendix 1
• Media Type: D
• Archive: Yes

HYDROLOGIC INPUT PARAMETERS
WATERSHED fD:
• Area 4
Watershed Area:
135.3 acres

Curve Number:
Seneca IIW Pond 16
SEDCA04
WATERSHED ID
slswa
WATERSHED
TYPE VEGETATION
COVER HYDROLOGIC
SOIL GROUP CURVE
NUMBER AREA
(acres)
Aspen/Mountain Shrub Good (>70%) B 30 91.
Sa ebrush Good (>70%) C 41 43.8
WEIGHTED CURVE NUMBER: 34
Soil Erodibility Factor (K):
SOIL ERODIBILffY FACTOR
SOIL AREA K K'AREA
TYPE (acres) FACTOR
WinevadaSplitro Loam Complex 45.8 0.37 16.95
Skyway Silt Loam 88 0.28 24.64
Coutis Silt Loam 1.5 0.2 0.3
Weighted K Factor: 0.31
Control Practice Factor:
CONTROL PRACTICE FACTOR
CONTROL PRACTICE AREA C C'AREA P P'AREA
CONDITION (acres) FACTOR FACTOR
AspeNMountain Shrub 91.5 0.042 3.843 1 91.500
Sagebrush 43.8 0.042 1.840 1 43.800
Weighted C Factor. 0.042
W eigmed P Factor. 1.000