Septic Regulations in Missouri
Septic System Ownership in Missouri
Within the state of Missouri, the oversite for septic system ownership is split between two different bodies.
First, the DNR approves the method of
domestic wastewater treatment in new subdivisions or multifamily construction projects. Once the method is
approved, the Department of Health and Senior Services is responsible for
issuing the construction permits and overseeing the maintenance of septic systems.
Licensure Requirements for Septic System Contractors
To construct or maintain a sewer system in Missouri, a
Construction and Operation of Wastewater Irrigation System
Permit is required. When completing the application form, you'll be required to detail the land that will
be involved, the certification of contractors and designers, and provide plans.
Installing A New Septic System
There are subtle differences in the requirements and rules depending on the county in which you are based.
Therefore, before beginning a septic system project, contact the relevant
local Missouri authority for more information on how to get
started.
How To File A Complaint
For complaints and concerns about sewage systems or any risk to the environment, residents of Missouri can
complete an online form. Once submitted, the forms will be passed
on to the relevant regional office for their attention.
Contacting the Missouri Water Protection Program
Missouri Department of Natural Resources
Water Protection Program
P.O. Box 176
Jefferson City, MO 65102 0176
1-800-361 4827 or
(573) 751-1300 office
Finding a Septic Contractor Near You
Visit our section on Missouri septic tank pumping and maintenance companies.