Arbuckle Soil Series
USDA Code: CA0023
K-Factor
0.32
Soil Erodibility Factor
Texture Class
loam
Drainage Class
well drained
About Arbuckle
Deep, well drained soils formed in alluvium from mixed sedimentary and metamorphic rock sources. Found on alluvial fans and terraces.
K factor values are sourced from the USDA Natural Resources Conservation Service (NRCS) SSURGO database.
Using Arbuckle in a RUSLE calculation
For a California construction project, use the soil K factor with rainfall erosivity, slope length and steepness, cover management, and support practice inputs. The K factor represents the soil erodibility portion of the model, so selecting the soil series that matches the site is important for defensible stormwater documentation.
In a SWPPP workflow, the practical question is not just what soil type is mapped near the project. It is whether the mapped series, K factor, and drainage assumptions match the site evidence well enough to support the RUSLE or RUSLE2 calculation.
California Distribution
Found in the western Sacramento Valley in Colusa, Glenn, and Yolo counties. Important for rice and orchard production.
Counties Where Found
Arbuckle soil FAQ
What is the K factor for Arbuckle soil?
Arbuckle has a listed K factor of 0.32 in the Rapid RUSLE soil directory. Confirm final values against project specific soil survey data before submitting permit documents.
Where is Arbuckle soil found in California?
Arbuckle is mapped in Colusa, Glenn, Yolo. County mapping is based on available soil series data and should be verified for the exact project location.
How is Arbuckle used in RUSLE erosion calculations?
Use the Arbuckle K factor as the soil erodibility input in RUSLE or RUSLE2, along with rainfall, slope, cover, and support practice factors for the site.
Calculate erosion risk with Arbuckle soil data
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