New Septic Systems for New Orleans Properties
Whether you are building a new home in New Orleans or replacing a system that has reached the end of its life, septic installation is a project that starts with the soil. The right system depends on your lot, your soil and the size of your household.
Request a call and a local septic company that installs systems in New Orleans and Gretna, Westwego, Harahan will explain the process from site evaluation to final inspection.
How septic installation works
Most projects follow the same steps. First comes a site evaluation and soil test, then a system design sized for the home and a permit application. After that the tank and drain field are installed, followed by a final inspection before the system is covered. Your installer coordinates much of this, but timelines depend on local review and weather.
Conventional and alternative systems
A conventional system is the simplest and usually the least expensive to maintain. Alternative systems add pumps, controls or treatment steps so they can work in difficult soil. Around New Orleans, the soil on your specific lot is what decides which category you fall into.
What the permit process involves
Most permit processes include a site and soil evaluation, a system design, plan approval and final inspection. Fees and timelines vary. Starting the process early, especially for new construction, keeps the project on schedule.
What affects installation cost
The biggest factors are system type, soil conditions, lot access, tank size and local permit requirements. Conventional systems in good soil generally cost the least. Mounds, aerobic units and other engineered systems cost more to build and maintain. Removing an old system and restoring landscaping add to replacement projects.
Getting the most from your new system
Good habits protect your investment: spread out laundry, fix leaks promptly, avoid flushing wipes and grease, and pump on schedule. If your system has an alarm, learn what it means and who to call.
Questions for a septic installer
Ask who will do the soil test and design, whether they pull the permit, and which system types they recommend for your lot and why. Ask how long the project will take, what warranty they give, and whether the quote includes restoring the yard. Ask for references from recent jobs near New Orleans.
Planning a timeline in New Orleans
A realistic plan starts with the soil evaluation and design, then the permit review, then installation and inspection. Soil testing can depend on weather, and review times vary by county. Building the septic schedule into a home build or replacement plan early helps avoid delays, especially when the old system has already failed.
Mistakes to avoid on a New Orleans installation
The most expensive mistakes happen before the digging starts. Skipping the soil evaluation, choosing a system on price alone, or placing the drain field where future driveways, pools or additions will go all lead to trouble later. Undersizing the tank for the number of bedrooms is another common one. Ask your New Orleans installer to walk you through the site plan and explain why each part sits where it does.
Before the digging starts in New Orleans
Installing a septic system in New Orleans touches the whole yard, so plan access for the excavator and the tank delivery. Mark wells, water lines and property corners first. Ask the installer how they will restore the lawn afterward. A clear plan now avoids moving a driveway, a shed or a fence later.
What New Orleans's soil means for a new system
The USDA soil survey rates most mapped soils near New Orleans as very limited for septic absorption fields. New systems here often need a mound, pressure distribution or another engineered design, which your soil test will confirm. With about 60 inches of precipitation a year, designers here account for high water tables and runoff when sizing and placing a system.
Local conditions in New Orleans that affect septic installation
Among the mapped soils within about two miles of central New Orleans, the USDA soil survey rates 100% as very limited for septic absorption fields, 0% as somewhat limited and 0% as not limited. The most common drainage class is poorly drained. Soils like these often call for careful system design, such as a larger drain field, a mound or another engineered system, and a site evaluation before any new installation or replacement.
New Orleans averages about 60 inches of precipitation a year, and August is usually the wettest month. January is the coldest month at about 54°F on average, so freezing is rarely the main concern here. Heavy rain and saturated ground are the bigger factors for drain fields.
Sources: USDA NRCS Soil Survey (SSURGO), Soil Data Access; NASA POWER long-term climatology. Soil ratings describe mapped soil types near the city center and do not replace a site evaluation of your property.
What the soil around New Orleans means for septic installation
By drainage class, the USDA soil survey maps the land around New Orleans as 68% poorly drained, 32% very poorly drained. With 100% of the soil poorly drained, a new or replacement field here is often larger or raised, and a soil test comes before any design.
Source: USDA NRCS Soil Survey (SSURGO), Soil Data Access
Septic companies near New Orleans
These are the septic companies in our directory closest to New Orleans, with straight-line distance. Call any of them directly, or send one request and we will pass it to the best match.
- SZS Consultants Inc, Metairie, LA, 15.9 mi
- Honey Dippers Septic, Mandeville, LA, 23.2 mi
- AAA Affordable Septic Systems, Covington, LA, 28.8 mi
- Clairain Bros Concrete Products, Covington, LA, 31.1 mi
- Gary's Septic Tank & Backhoe, Folsom, LA, 38.5 mi
- Northshore Septic Systems, Ponchatoula, LA, 38.6 mi
Septic Installation in nearby towns
We also cover septic installation in these towns near New Orleans:
About New Orleans, LA
New Orleans is in Orleans Parish, Louisiana. About 364,136 people live there, across 169.5 square miles of land (about 2,148 per square mile).
Septic Installation questions in New Orleans
- Can I install a septic system myself?
- Most areas require licensed designers or installers and inspections. Check with the Orleans Parish health department before planning any work yourself.
- How big does my septic tank need to be?
- Tank size is usually based on the number of bedrooms and local code. Your designer will size the tank and field for your home.
- Do I need a soil test for a new septic system?
- Yes, in nearly all cases. The soil evaluation decides what type of system and how large a field your lot can support.
- Is SepticTank.com the installer?
- No. SepticTank.com connects you with an independent local septic company that serves New Orleans. That company designs, installs and prices the system.