Soil chemistry n geology relevant to cycling...exposed parts, proximity. Check your soil type prob with U State Ag ...

I doahn have wet cycling experience on Cal ( !#@ ) yet getting the film with diesel fuel mist off muh winshield is a trip to the car wash with .... water contaminated with Cal soil.

https://en.m.wikipedia.org/wiki/Alkali_soil

Morter or moretar ... on the west side where ground is raised sea bottom.

I did drive up out of Coal banks at the Missouri n across the farmlands above after rain. The place is a huge mud dune.

$20 at the car wash removing MUD .... the truck wudda understeer ed off the interstate with that mud load.