Septic System Installation in Stone Mountain, GA
A new septic system is a long-term investment. Getting it right means a proper site evaluation, a design that fits your property and a permit approved before any digging starts.
Septic companies that work across DeKalb County can guide you through each step and handle much of the paperwork.
The installation process step by step
It starts with testing the soil to see how well it absorbs water. A designer or engineer then sizes the tank and dispersal area for the number of bedrooms. After the permit is approved, the crew excavates, sets the tank, installs the pipes and field, and schedules an inspection before backfilling.
Types of septic systems
Conventional systems use a tank and a gravity drain field and suit lots with good soil. Where soil is poor, shallow or wet, options include pressure distribution, mound systems, chamber systems, sand filters and aerobic treatment units. Your soil test and local rules decide which types are allowed on your lot.
Working with local regulators
Septic rules exist to protect groundwater and neighbors' wells. Before installation, plans are reviewed for setbacks from wells, property lines and water. Inspectors typically check the work before it is covered. Ask your installer what approvals are needed in Stone Mountain and how long review usually takes.
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.
Caring for a new septic system
Keep a copy of the design and as-built drawing, schedule your first pumping as recommended, and keep vehicles and structures off the tank and field. Plant only grass over the dispersal area and direct roof and yard runoff away from it. Systems with pumps or treatment units need regular service to stay under warranty.
Questions to ask an installer
Ask who performs the soil evaluation and design, whether they handle permits, what system types they recommend and why, and how long the project will take. Ask about warranty terms and what maintenance the system will need.
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 Stone Mountain 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.
What to avoid on a new system near Stone Mountain
Avoid choosing an installer on price alone, starting before the permit is approved, or placing the field in a low spot that stays wet. Think about future plans for the yard, since a pool, addition or outbuilding cannot go over the field later.
Building a system near Stone Mountain
Homes around Stone Mountain 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 Stone Mountain's soil means for a new system
Soils around Stone Mountain range from good to very limited, so the system type depends on the results of the soil test on your lot. With about 51 inches of precipitation a year, designers here account for high water tables and runoff when sizing and placing a system.
Local conditions in Stone Mountain that affect septic installation
Among the mapped soils within about two miles of central Stone Mountain, the USDA soil survey rates 46% as very limited for septic absorption fields, 54% 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.
Stone Mountain averages about 51 inches of precipitation a year, and December is usually the wettest month. January is the coldest month at about 40°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 Stone Mountain means for septic installation
By drainage class, the USDA soil survey maps the land around Stone Mountain as 86% well drained, 8% moderately well drained, 2% somewhat excessively drained, 2% poorly drained, 2% somewhat poorly 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 Stone Mountain
These are the septic companies in our directory closest to Stone Mountain, with straight-line distance. Call any of them directly, or send one request and we will pass it to the best match.
- Amerisep, Stone Mountain, GA, 3.6 mi
- Doug Clack Septic Tank Service, Lithonia, GA, 7.4 mi
- Tri R Service Septic & Sewer, Snellville, GA, 8.5 mi
- Action Septic Pro LLC, Lawrenceville, GA, 13.6 mi
- Paul Kizer Septic Tank Pumping, Conyers, GA, 14.9 mi
- B JS Septic Tank Inc, Loganville, GA, 15.2 mi
Septic Installation in nearby towns
We also cover septic installation in these towns near Stone Mountain:
About Stone Mountain, GA
Stone Mountain is in DeKalb County, Georgia. About 6,553 people live there, across 1.7 square miles of land (about 3,969 per square mile).
Septic Installation questions in Stone Mountain
- How long does septic installation take?
- Installation itself often takes a few days to two weeks. Soil testing, design and permit review can add several weeks, so plan ahead.
- 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 Stone Mountain. That company designs, installs and prices the system.