Updated
Does Mississippi require a septic license?
Yes. Mississippi requires septic installers to hold a state credential issued by the Mississippi State Department of Health, On-Site Wastewater. Mississippi certifies septic installers, pumpers and maintenance providers through the State Department of Health.
Who licenses septic contractors in Mississippi?
Mississippi State Department of Health, On-Site Wastewater.
Mississippi's septic credentials:
- Certified installer
- Certified pumper/hauler
- Certified maintenance provider
How to check a septic contractor's license in Mississippi
- Open the Mississippi State Department of Health, On-Site Wastewater lookup.
- Search by the contractor's name, the license holder's name or the license number.
- Check the license type covers your job (installation, pumping or inspection) and that the status is active.
- If the contractor's business name doesn't come up, ask which person on staff holds the license: several states license individuals, not companies.
Septic permits in Mississippi
A contractor license says who may do septic work; a permit authorizes a specific system. In Mississippi, permits for new systems, replacements and most repairs come from the local health department or the state agency office that covers the property. Ask your installer to pull the permit and include the fee in the quote.
Licensed septic companies in Mississippi
The Septic Guide lists 447 septic companies and licensed professionals in Mississippi, 439 matched to the state's published list. Source list: MSDH certificate holder search. This is what we could match as of October 2026, not an official count.
- Lee County (21)
- Rankin County (21)
- Jones County (18)
- Hinds County (16)
- Pearl River County (16)
- Harrison County (15)
- Panola County (14)
- DeSoto County (12)
All septic companies in Mississippi →
Mississippi septic licensing: common questions
Do you need a license to install septic systems in Mississippi?
Yes. Mississippi requires septic installers to hold a state credential issued by the Mississippi State Department of Health, On-Site Wastewater. Mississippi certifies septic installers, pumpers and maintenance providers through the State Department of Health.
Who issues septic licenses in Mississippi?
The Mississippi State Department of Health, On-Site Wastewater issues Mississippi's septic credentials: Certified installer; Certified pumper/hauler; Certified maintenance provider.
How do I check a septic contractor's license in Mississippi?
Open the Mississippi State Department of Health, On-Site Wastewater lookup. Search by the contractor's name, the license holder's name or the license number. Check the license type covers your job (installation, pumping or inspection) and that the status is active. If the contractor's business name doesn't come up, ask which person on staff holds the license: several states license individuals, not companies.
How many licensed septic contractors are in Mississippi?
The Septic Guide lists 447 septic companies and licensed septic professionals in Mississippi, 439 of them matched to the Mississippi State Department of Health list (data as of October 2026). This counts what we could match; it is not an official total.
Do you need a permit for a septic system in Mississippi?
New septic systems, replacements and most repairs need a permit before work starts. The permit comes from the local health department or the state agency office that covers your property, and the permit, not the contractor license, is what authorizes a specific job.
Sources: Mississippi State Department of Health, On-Site Wastewater; state license lists loaded into The Septic Guide. See how we verify licenses.