Plaquemines Parish, LA septic permits and regulations

Septic systems in Plaquemines Parish, Louisiana are permitted by Plaquemines Parish Health Unit under LAC Title 51, Part XIII.

Septic permit program

  • Program type: State Agency
  • Authorized agent: Plaquemines Parish Office of Public Health
  • Own septic program: No, uses Louisiana state rules
  • Local rules beyond the state: No
  • Population: 23,515

Permit fee comparison

Average septic permit fee in Plaquemines Parish: $100. Louisiana average: $104.

Local rules

County operates under state-level LAC 51:XIII (Louisiana Sanitary Code). Contact local health department for any additional county-specific requirements.

What SepticPro has on file for Plaquemines Parish

  • 1 permit fee with sources
  • The agency phone, email and office address
  • Setback distances
  • Soil and perc test requirements
  • Allowed system types
  • System design rules
  • Inspection requirements
  • Maintenance and pumping rules
  • Point-of-sale rules
  • Installer, designer and pumper licensing

Create a free account to see the full details.

Draw a permit-ready site plan for Plaquemines Parish

Enter the address, draw the system on the aerial with the parcel lines and topo, and print it to scale for Plaquemines Parish Health Unit. See how SepticPro site plans work.

Other Louisiana counties

Data checked 2026-03-16. Always confirm requirements with Plaquemines Parish Health Unit before applying.