![How Much Separation Do You Need?](https://cole-onsiteinstaller.imgix.net/https%3A%2F%2Fwww.onsiteinstaller.com%2Fuploads%2Fimages%2Fsoil_trench.jpg?crop=focalpoint&fit=crop&fp-x=0.5&fp-y=0.5&h=620&ixlib=php-1.1.0&q=75&w=1024&s=d91e6e05e81465aeb5ae1c76d9af8a58)
Across the U.S., state and local codes vary in how much separation is required below the infiltrative surface to the limiting condition for the soil treatment area. The variation is based on several factors, including the effluent quality, groundwater mounding and risk...