Frequently Asked Questions

Definitions
  • FCHD - Frederick County Health Department
  • Conventional Septic System - an onsite site sewage disposal system that is placed in the ground by either shallow or deep trenches, seepage pit(s)
  • Sand Mound - an onsite sewage disposal system that is elevated above the soil surface
  • Perc - Percolation Test
  • COMAR - Code of Maryland