Environmental Services

Tim Brown - Director

The St. Tammany Parish Department of Environmental Services is responsible for providing the control, monitoring and inspection of sewerage and water systems and environmental services including the litter abatement program.

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Sewerage Inspection Permit Program

New applications along with a check or money order payable to St. Tammany Parish Government in the amount of $50.00 may be mailed to us at:

The Department of Environmental Services
P.O. Box 628
Wap xổ số miền bắc Covington, Louisiana 70434

Or, the application and payment can be placed in one of our Tammany Utilities drop boxesWap xổ số miền bắc located at:

350 North Military Road, Slidell; and,
21454 Koop Dr., Mandeville (next to the pavilion)

Download the application here

If you have questions or need further assistance, please email us at This email address is being protected from spambots. You need JavaScript enabled to view it.

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The Department of Environmental Services is responsible for the following:

• The enforcement of Parish regulations that require the establishment of a central water system for all new subdivisions that have fifteen or more lots which are less than five acres each.                                      
• The implementation and enforcement of  a more stringent review process for the provision of sewage treatment and water for commercial development and land use (zoning) changes.                                      
• The issuance of permits and the conduction inspections of on-site wastewater treatment systems.

Important Information:

• Steps to Disinfect Wells
• Sewage Inspection Permit Application
• Home Sewerage Operation & Maintenance Guide
• Utility Company Information
• Subdivision List w/ Utility Companies
• Licensed Installers List by Brand
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