Do you know where expansive soils are found in California? Check out the map below. It shows areas where you are more likely to encounter expansive soils.
California Expansive Soils Map
Map of Expansive Soils in California. Green and blue regions have the highest potential for expansive soils.
Adapted from the Swelling clays map of the conterminous United States
by W.W. Olive, A.F. Chleborad, C.W. Frahme, Julius Schlocker, R.R. Schneider, and R.L Shuster; 1989
MAP LEGEND
Red - Unit contains abundant clay having high swelling potential
Blue - Part of unit (generally less than 50%) consists of clay having high swelling potential
Orange- Unit contains abundant clay having slight to moderate swelling potential
Green- Part of unit (generally less than 50%) consists of clay having slight to moderate swelling potential
Brown - Unit contains little or no swelling clay
Yellow - Data insufficient to indicate clay content of unit and/or swelling potential of clay
Related Articles:
Related Articles:
- Landscape Expansive Soils Like A Pro Expansive soils pose problems for site development and landscaping throughout...
- How to Defeat Expansive Soils What are Expansive Soils? Expansive soils shrink and swell in...
John is a landscape architect who is currently preparing to take the California Supplemental Exam to become licensed in California. He is currently a licensed professional landscape architect in Georgia and Florida. John graduated from California State University, Pomona with a BSLA degree in landscape architecture in 1997 and has extensive practice experience in residential and commercial landscape design.