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Tocaloma Soil Series

K-Factor

0.37

Soil Erodibility Factor

Texture Class

clay loam

Drainage Class

well drained

About Tocaloma

Moderately deep, well drained soils formed in colluvium and residuum derived from sedimentary rocks, principally sandstone and mudstone. Found on hills and mountain slopes with slopes of 15 to 50 percent.

K-factor values are sourced from the USDA Natural Resources Conservation Service (NRCS) SSURGO database.

California Distribution

Mapped in Marin and Sonoma counties in the outer Coast Ranges. Occurs commonly on the hills north of San Francisco Bay, supporting grassland and oak woodland. Named for Tocaloma in the San Geronimo Valley.

Counties Where Found

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