Licensed Septic Companies in Ouachita Parish, LA
9 septic companies serve Ouachita Parish, Louisiana, and 9 of them hold a Louisiana septic license or certification matched to the Louisiana Department of Health list (data as of October 2026).
Septic services in Ouachita Parish
Guides: Septic system installation · Aerobic septic systems · Installation cost · Pumping cost
9 septic companies in Ouachita Parish
West Monroe 4
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Achievers of Louisiana
304 Downing Pines Rd, West Monroe, LA 71292
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #32309 (Louisiana Department of Health, verify)
Per state license: Installation
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All Phase Service Co.
600 Jonesboro Rd, West Monroe, LA 71292
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #32283 (Louisiana Department of Health, verify)
Per state license: Installation
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CLS Sewer Systems
251 Mouth of Cypress Rd, West Monroe, LA 71291
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #30192 (Louisiana Department of Health, verify)
From their website: Installation
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Hemphill Septic Service
730 Lenwil Rd, West Monroe, LA 71394
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination; Maintenance) · #986 (Louisiana Department of Health, verify)
Per state license: Installation · Aerobic systems
Calhoun 3
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BP Plumbing
498 Calhoun Barn Rd, Calhoun, LA 71225
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #32350 (Louisiana Department of Health, verify)
Per state license: Installation
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Dade's Dirty Work LLC
Calhoun, LA 71225
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #32287 (Louisiana Department of Health, verify)
Per state license: Installation
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Thames Septic Service
Calhoun, LA 71225
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #525 (Louisiana Department of Health, verify)
Per state license: Installation
Eros 1
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Kenneth Hofler Plumbing LLC
Eros, LA 71238
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #40051 (Louisiana Department of Health, verify)
Per state license: Installation
Monroe 1
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AKM Services LLC
Monroe, LA 71203
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #40117 (Louisiana Department of Health, verify)
Per state license: Installation
No listings match those filters.
Septic licensing in Louisiana
The Louisiana Department of Health publishes its active installer list, which marks installers who can also maintain mechanical (aerobic) plants. The Louisiana Department of Health, Onsite Wastewater Program issues these credentials: Basic installer; Combination installer; Maintenance provider.
Permits for new systems, replacements and most repairs are issued locally. Ask the contractor which office handles Ouachita Parish and whether the permit fee is in their quote.
Louisiana septic licensing: agencies, license types and how to check a license →
Septic companies in Ouachita Parish: common questions
How many licensed septic companies are in Ouachita Parish, LA?
9 septic companies serve Ouachita Parish, Louisiana, and 9 of them hold a Louisiana septic license or certification matched to the Louisiana Department of Health list (data as of October 2026). Each license badge on this page names the agency and links to its lookup so you can confirm it.
Who licenses septic contractors in Louisiana?
The Louisiana Department of Health publishes its active installer list, which marks installers who can also maintain mechanical (aerobic) plants. The licensing body is the Louisiana Department of Health, Onsite Wastewater Program.
Which companies install septic systems in Ouachita Parish?
9 listings in Ouachita Parish install septic systems. New systems and replacements need a permit, so ask each installer to handle the permit and to show their Louisiana license.
How do I check a septic contractor's license in Louisiana?
Use the Louisiana Department of Health, Onsite Wastewater Program's lookup (https://ldh.la.gov/page/627) and search the contractor's name or license number. Our guide to checking a septic license walks through it.