Design infiltration rates Revision as of 19:41, 27 December 2012 by Mtrojan (talk | contribs)(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff) Design infiltration rates

Default 4 column, 10 row table

Hydrologic soil group	Infiltration rate (inches/hour)	Soil textures	Corresponding Unified Soil Classification
A	1.6a	gravel sandy gravel silty gravels	GW - well-graded gravels, sandy gravels GP - gap-graded or uniform gravels, sandy gravels GM - silty gravels, silty sandy gravels SW - well-graded gravelly sands
	0.8	sand loamy sand sandy loam	SP - gap-graded or uniform sands, gravelly sands
B	0.6	silt loam	SM - silty sands, silty gravelly sands
	0.3	loam	MH - micaceous silts, diatomaceous silts, volcanic ash
C	0.2	Sandy clay loam	ML - silts, very fine sands, silty or clayey fine sands
D	<0.2	clay loam silty clay loam sandy clay silty clay clay	GC - clayey gravels, clayey sandy gravels SC - clayey sands, clayey gravelly sands CL - low plasticity clays, sandy or silty clays OL - organic silts and clays of low plasticity CH - highly plastic clays and sandy clays OH - organic silts and clays of high plasticity