Septic System Standards

To: County Contractors & Private Installers
Due to sizing concerns for septic installation using Infiltration Systems the following standards are to be used concerning this product. These standards are subject to change by Environmental Health.
Type: High capacity (approx. 34" x 16")
Perc rate reduction rates compared to conventional 3' rock bed systems.
90 - 120 mpi: 1 to 1
60 - 90 mpi: 12.5%
Below 60 mpi: 25%
This policy will provide some unifomity for your bid process.
Warren Farnam