SEPTIFIX Review

Central Valley Septic: Living With Shrink-Swell Clay From the west side of Fresno County up through parts of Sacramento County, the Central Valley sits on some of the most challenging septic soil in California: Vertisol clay, a shrink-swell soil type that expands significantly when wet and contracts when dry. It’s part of an estimated 3.4 million acres of Vertisol clay spanning the Central Valley and Bay Area. For septic systems, that shrink-swell behavior creates two separate problems — one about…

Read More Read More

Central Valley Septic: Living With Shrink-Swell Clay From the west side of Fresno County up through parts of Sacramento County, the Central Valley sits on some of the most challenging septic soil in California: Vertisol clay, a shrink-swell soil type that expands significantly when wet and contracts when dry. It’s part of an estimated 3.4 million acres of Vertisol clay spanning the Central Valley and Bay Area. For septic systems, that shrink-swell behavior creates two separate problems — one about…

Read More Read More