Septic System Installation in Lithonia, GA
Whether you are building a new home in Lithonia 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 Lithonia and Stonecrest, Stone Mountain, Conyers will explain the process from site evaluation to final inspection.
From soil test to finished system
A septic installation starts with a soil and site evaluation, which decides what kind of system the lot can support. A designer then sizes the system for the number of bedrooms, the plan goes to the DeKalb County health department for a permit, and the installer digs, sets the tank and builds the drain field before a final inspection.
Septic system types and when they fit
A conventional gravity system works where soil drains well and there is room for a field. Where soil is shallow, wet or slow, designers turn to pressure distribution, mound systems, chamber systems, drip dispersal or aerobic treatment units. The soil test, not preference, usually decides which one a lot needs.
Permits and approvals
New and replacement systems almost always need a permit. Expect a soil evaluation, a design that meets local code, plan review and at least one inspection during installation. the DeKalb County health department or your state agency sets the requirements, and many installers handle the application for you.
Why installation prices vary
Installation price depends on the system type the soil allows, the size of the house, the distance from the house to the field, how easy the site is to reach with equipment, and design and permit fees. Engineered systems such as mounds and aerobic units cost more to build and maintain.
Protecting your investment
A new system can last decades with basic care. Know where every part is, avoid planting trees near the field, send roof water away from it, and keep grease, wipes and chemicals out of the drains. Schedule the first inspection and pumping so you have a baseline for later visits.
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 Lithonia.
Getting ready for installation day
Clear access for equipment, mark wells, underground utilities and sprinkler lines, and plan where soil and materials will be staged. Your Lithonia installer will call in utility locates before digging. Expect some disturbance to the yard, which is regraded and seeded or restored as part of the job.
Common installation mistakes
The costliest mistakes are skipping the soil test, undersizing the system to save money, and building the field where water collects or where you later want a driveway or garage. Hiring an installer who does not handle permits can also delay the job or force rework after a failed inspection.
Building a system near Lithonia
Homes around Lithonia that are not on public sewer need a septic system sized to the house and the soil. The site evaluation shapes everything that follows, from the tank size to where the field goes. Plan the layout before other outdoor projects so nothing ends up on top of the field.
What Lithonia's soil means for a new system
Soils around Lithonia range from good to very limited, so the system type depends on the results of the soil test on your lot. With about 50 inches of precipitation a year, designers here account for high water tables and runoff when sizing and placing a system.
Local conditions in Lithonia that affect septic installation
Among the mapped soils within about two miles of central Lithonia, the USDA soil survey rates 42% as very limited for septic absorption fields, 58% as somewhat limited and 0% as not limited. The most common drainage class is well drained. Conditions vary from lot to lot here, so a site evaluation is the only way to know how well a particular yard will handle a drain field.
Lithonia averages about 50 inches of precipitation a year, and February is usually the wettest month. January is the coldest month at about 42°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 Lithonia means for septic installation
By drainage class, the USDA soil survey maps the land around Lithonia as 83% well drained, 7% moderately well drained, 4% poorly drained, 4% somewhat poorly drained, 2% somewhat excessively drained. Most of the soil here drains reasonably well, so a conventional trench field is often possible where the lot allows, but the soil test still decides.
Source: USDA NRCS Soil Survey (SSURGO), Soil Data Access
Septic companies near Lithonia
These are the septic companies in our directory closest to Lithonia, with straight-line distance. Call any of them directly, or send one request and we will pass it to the best match.
- Doug Clack Septic Tank Service, Lithonia, GA, 0.9 mi
- Amerisep, Stone Mountain, GA, 5.4 mi
- Tri R Service Septic & Sewer, Snellville, GA, 8.4 mi
- Paul Kizer Septic Tank Pumping, Conyers, GA, 9.8 mi
- B JS Septic Tank Inc, Loganville, GA, 12.2 mi
- North Ga Septic Tank Service Inc, Loganville, GA, 12.2 mi
Septic Installation in nearby towns
We also cover septic installation in these towns near Lithonia:
- Stonecrest, 3.2 mi
- Stone Mountain, 7.3 mi
- Conyers, 8 mi
- Avondale Estates, 9.9 mi
- Clarkston, 10.4 mi
- Tucker, 10.7 mi
About Lithonia, GA
Lithonia is in DeKalb County, Georgia. About 2,583 people live there, across 0.9 square miles of land (about 2,783 per square mile).
Septic Installation questions in Lithonia
- Can I install a septic system myself?
- Most areas require licensed designers or installers and inspections. Check with the DeKalb County 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.
- Can a replacement system go in the same place?
- Sometimes. It depends on the condition of the soil in the old field and local rules. Many replacements use a new area of the yard.
- Is SepticTank.com the installer?
- No. SepticTank.com connects you with an independent local septic company that serves Lithonia. That company designs, installs and prices the system.