St. John the Baptist Parish, LA septic permits and regulations

Septic systems in St. John the Baptist Parish, Louisiana are permitted by St. John the Baptist Parish Health Unit under LAC Title 51, Part XIII.

Septic permit program

Program type: State Agency
Authorized agent: St. John the Baptist Parish Office of Public Health
Own septic program: No, uses Louisiana state rules
Local rules beyond the state: No
Population: 42,477

Permit fee comparison

Average septic permit fee in St. John the Baptist 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 St. John the Baptist 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

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Draw a permit-ready site plan for St. John the Baptist Parish

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

Other Louisiana counties

Data checked 2026-03-16. Always confirm requirements with St. John the Baptist Parish Health Unit before applying.