Percolation Test

Soil Evaluations & Percolation Test
How to Apply
Soil evaluations and percolation tests are used to determine the absorption of the soil for liquid waste and to determine the number of bedrooms a septic system placed on this property will accommodate.

The results are documented by the Health Department Sanitarian for future use at the time of a building permit application and used to design a septic system for the property.
  • Applicants must submit their application for soil evaluation and percolation test in person at the Frederick County Health Department/ Environmental Health Services.
  • The fee for the permit can be found on the Fee Schedule.
    • Fee will be determined by septic area sizing
    • This fee can be paid in the form of cash, check or credit card (Mastercard or Visa only)
  • The following information pertaining to the property must be supplied at the time of application along with the letter containing fees due.
    • Name of owner / applicant
    • Mailing address
    • Address of property
    • Name of subdivision and lot number (if applicable)
    • Site plan or health department file number
  • It is also necessary for the applicant to choose a backhoe operator for the excavation. This work may also be done by the homeowner.
  • The backhoe operator must contact the Health Department Sanitarian to set up an appointment for testing to take place. This service is done on a first come, first serve basis and an appointment is necessary.
Percolation test
man testing the soil