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Note: Above is for both commercial and residential properties
The Environmental Health Department has septic records as old as 1950. That does not ensure that we have yours.To have a sanitarian start the research complete an Information Research Request Form.
350 Montevue Lane Frederick, MD 21702
Find details on well water testing and disinfection here.
A backhoe operator is hired and required to dig no less than 3 holes.
The first hole is the observation hole. This is where we find the limiting factor which is usually >50% rock or water table. The second and third holes are the perc test holes that are 4’ above the limiting factor. The water has 30 minutes per inch to percolate for a conventional septic system and 60 minutes per inch in an infiltrometer for a sand mound test.
The FCHD sanitarian conducts the official percolation test and records (COMAR 26):
Perc time Location of perc/observation holes Depth of perc holes Any other information pertinent to the solid and site characteristics of the property.
Division of State Documents Code of Maryland (COMAR)