Where to Find Expansive Soils in California

California map of expansive soils.

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

California map of expansive soils.

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:

About

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.

Posted in Site Inventory Tagged with: , , ,

Do You Want to Pass the CSE?

You are in the right place. Learn what you need to pass the California Supplemental Exam for landscape architects the first time. This site is dedicated to aspiring landscape architects who want to get a California landscape architect license. I'll share my research for the CSE as I prepare for the exam.

Feel free to submit a question and I'll do my best to answer it here.

Good luck,
John

Ask Me A Question

Your message was successfully sent.
Thank You!

Categories