New office location
effective April 1, 2011:

805 S Wheatley Street
Suite 340
Ridgeland, MS 39157
Office: 601-991-6030
Fax: 601-956-4019

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, septage pumpers/haulers and individual water supplies.

From the County office, Environmentalists offer Soil and Site Evaluations that provide property owners with recommendations suitable for installation, collect water sample from private water wells and investigate general environmental (wastewater) complaints.

From the Central office, Engineers and Program Specialists offer technical assistance and training. Staff engineers review and approve Certified Professional Evaluators designed On-site Wastewater Disposal Systems, Subdivisions, Commercial Developments (Manufactured, Multi-family, Facilities), review manufactured designs of wastewater components, etc. Program specialists conduct quarterly courses for those interested in becoming a Certified Installer, Certified Pumper, Certified Maintenance Provider, Qualified Homeowner Maintenance Provider, inspect manufacturers, 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
  Status of current House and Senate bills

Regulations Governing Residential Individual On-site Wastewater Disposal Systems

• 01 - Administrative
• 02 - Certification
• 03 - Soil and Site Evaluation

Other On-Site Wastewater Regulations

• 4.0 - Regulation Governing Recreational Vehicle Campgrounds
• Subdivision Review, and On-site Systems Serving Multi-Family Dwellings, Manufactured Home Developments and RV Campgrounds

• Septic Tanks and Aerobic Treatment
• Aggregate
• Aggregate Replacement
• Subsurface Drip
• Elevated Sand Mound
• Spray Irrigation
• Plant Rock Filter
• Sand Filter
• Lagoon (Oxidation Ponds)
• Overland Discharge
• Disinfection
• Pumps and Pump Chambers
• Non-waterborne Wastewater Systems

• Mississippi Administrative Bulletin
  Publication from the Mississippi Secretary of State

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

Notices

• Certified Installer Notice PDF
• Certified Pumpers PDF
• Certified Professional Evaluator/Certified Engineer Evaluator PDF

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

• Certified Installer
• Certified Pumper
  • Data Log Worksheet
    Printable worksheet for recording facilities and type of work done
• Certified Professional Evaluators/Certified Engineer Evaluators
• Certified Maintenance Providers/Qualified Homeowner Maintenance Providers
• Certified Manufacturers (registration)

Agendas

• Agendas for certification courses

Schedules

• Certified Installer
• Certified Pumper
• Certified Maintenance Provider/Qualified Homeowner Maintenance Provider
• Certified Professional Evaluator/Certified Engineer Evaluator
• Certified Manufacturer (not required)

Notice

• Reminder: $25.00 CEU/PDH Certification Fee PDF

Agendas and Registration

• Agendas and registration forms for certification courses
• Agendas and registration form for CEU/PDH courses

• 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: 601-364-2300
Fax: 601-956-4019