On-Site Wastewater

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Site Evaluations

Sites are evaluated for their suitability to dispose of sewage in a safe and sanitary manner. The evaluation is based on the soil quality, topography of the land, and its intended use. On-site sewage disposal systems are designed, inspected, and monitored, and permits are issued or denied according to State law.


In order to have a piece of property evaluated for septic system suitability in the County the following steps must be followed:

  1. An application must be submitted to Environmental Health.
  2. Pursuant to 15A NCAC 18A .1937 applications for Improvement Permits require the “signature of the owner or owner’s legal representative”. Effective October 1, 2015, if the owner does not sign the application, the agent shall provide documentation they are acting as the owner’s legal representative. Please refer to the following “DOCUMENTATION TO AUTHORIZE AN OWNER’S LEGAL REPRESENTATIVE” for guidance in providing that information.
  3. A Site Sketch Plan showing lot dimensions, location of proposed and actual buildings, driveways, swimming pools, etc. must be submitted to Environmental Health.
  4. A fee of $350 must be paid.
  5. The property corners and proposed building corners must be properly flagged prior to the evaluation being conducted. Flags will be provided to the applicant.

Preventative Maintenance

A septic tank should be checked periodically (every 3-5 years) to see if pumping is needed. This is preventative maintenance since not pumping solids from the septic tank can result in the drain field from being clogged from these solids.

Perc Tests

Environmental Health does not do perc tests, which were eliminated in the 1970s as the way of determining suitability for a septic tank system.

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