MC311 Logo
Call 311 To Get It Done!
For Emergency: 911 | Out of County: 240-777-0311


Enter an English language keyword to search the 311 web site:
  Results will be returned in English language

All Services

Septic Permit
A septic system permit is necessary to ensure that any septic system installed in the County meets all current County and State standards relative to minimum setbacks associated with the protection of all residents' and the environment's health. A septic system permit is required prior to commencing installation of a septic system to serve a new home; installing a replacement septic system to serve an existing home with a failing system; or upgrading/replacing an existing septic system to accommodate a building addition.
Find more information from the following link(s):
  • Sewage Disposal System Permit

  • To speak with a Customer Service Representative, please call 311 during business hours.