The goal of the On-Site Wastewater program is to reduce the potential for the spread of disease through improper treatment and disposal of human waste. Potential contamination of ground and surface waters is both an environmental and public health concern. Proper disposal of wastewater is critical as the population expands in rural areas of our state.
| State Law | Regulations | Standards | For Consumers | Certification | CEU/PDH | More |
On-Site Wastewater Program Activities
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.
Wastewater Law
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
Wastewater Ordinances
- Map
State map outlining county ordinances regarding on-site wastewater disposal
Wastewater Regulations
Regulations Governing Residential Individual On-site Wastewater Disposal Systems
Wastewater Advisory Board (WAB)
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.
Meetings- May 9, 2013 - 1:00 pm
Consumer Information and Notices
- Mississippi Administrative Bulletin
Publication from the Mississippi Secretary of State
- On-site Wastewater Information and Management
Search for Certified Installers/Pumpers/Manufacturers, Property information, etc.
- Officials and/or Certified Water Operators
A public notification to Water Associations and Property Owners
- Property Owners
- Documentation required for a "new" Individual On-site Wastewater Disposal System AND Water Meter
- Documentation required for a "new" Advanced Treatment Systems (ATS)
- Documentation required IF you request an inspection of your "existing" Individual On-site Wastewater Disposal System
Certification Programs
The Mississippi State Department of Health, Division of On-site Wastewater offers certification for the following on-site wastewater related professions:
Continuing Education Units (CEU)/ Professional Development Hours (PDH)
Requirement (credit earned) by renewal for each profession listed below. 18 courses offered annually by the Mississippi State Department of Health, Division of On-site Wastewater:
Resources and Links
Contact 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


