The On-site Wastewater program develops policy and regulations and provides technical assistance to county/district environmentalists in designing and inspecting Individual On-site Wastewater Disposal Systems (IOWDS), recreational vehicle campgrounds/lodging parks, septage pumpers/haulers and individual water supplies.

From the County office, Environmentalists offer Soil and Site Evaluations that provide property owners with a Permit/Recommendation suitable for installation, collect water samples from private water wells and investigates environmental (wastewater) complaints.

From the Central office, Engineers and Program Specialists offer technical assistance and training. Staff engineers review and approve Certified Professional Evaluator's designed On-site Wastewater Disposal Systems, Commercial Developments (Subdivisions, Manufactured, Multi-family, RV Campgrounds/Lodging Parks), Commercial Establishments (Restaurant, Child care Facility/School. Church, Shopping Center, Office, etc.), review manufactured designs of wastewater components, etc. Program specialists conduct quarterly courses for those interested in becoming a Certified Installer, Certified Pumper, or Certified Professional Evaluator, inspect manufacturer's products, certify Environmentalists, perform Quality Assurance, etc.

Mississippi on-site wastewater disposal is governed by Title 41, Chapter 67 of the Mississippi Code.

• Mississippi Individual On-site Wastewater Disposal System Law
• Mississippi Legislature
  See status of current House and Senate bills

• Map

See map of MS outlining county ordinances regarding the on-site wastewater disposal

Regulations Governing Residential Individual On-site Wastewater Disposal Systems

• Chapter 1: Administrative
• Chapter 2: Certification
• Chapter 3: Commercial Development
• Chapter 4: Soil and Site Evaluation
• Chapter 5: Design Standards
• Chapter 6: Disinfection

• Complete regulations

The Wastewater Advisory Board was created under MS Code of 1972, Section 24, § 41-67-101 in April 2011, for the purpose of advising the Mississippi State Department of Health regarding Individual On-site Wastewater Disposal Systems.

• List of 21-member composition
• Minutes (Coming Soon)

• Mississippi Administrative Bulletin
  Publication from the Mississippi Secretary of State

• On-site Wastewater Information and Management
  Certified installer/engineer/developer, complaints, etc.

• Officials and/or Certified Water Operators
  

The Mississippi State Department of Health, Division of On-site Wastewater offers certification for the following on-site wastewater related professions:

• Certified Installer
  • Affidavit - Installation
    Printable form for recording installation of Individual On-site Wastewater Disposal Systems
• Certified Pumper
  • Data Log Worksheet
    Printable worksheet for recording facilities and type of work done
• Certified Professional Evaluator
• Certified Manufacturers

Agendas

• Agendas for certification courses

Schedules

• Certified Installer
• Certified Pumper
• Certified Professional Evaluator

Agendas

• Certified Installer
• Certified Pumper
• Certified Professional Evaluator

Registration

• Registration Form

• Links to other agencies, professional boards, and information

Mississippi State Department of Health
Division of On-Site Wastewater
805 S Wheatley Street
Suite 340
Ridgeland, MS 39157
Office: 601-991-6030
Fax: 601-956-4019