81 Dorchester, SC Septic Tanks and Systems

Is the grass always greener over the septic tank? You might want to ask your South Carolina septic tanks and systems expert. More 
Knight's Septic Tank (843) 761-4336
SC, 29483
8 miles from Dorchester
SC, 29472
8 miles from Dorchester
Knight's Septic Tank (843) 563-8515
SC, 29477
11 miles from Dorchester
SC, 29477
12 miles from Dorchester
SC, 29102
36 miles from Dorchester
SC, 29483
12 miles from Dorchester
Knight's Septic Tank (843) 873-3930
SC, 29483
12 miles from Dorchester
Knight's Precast (843) 873-3011
SC, 29483
13 miles from Dorchester
Knights Precast Inc (843) 832-1266
SC, 29483
13 miles from Dorchester
A-1 SEPTIC TANK SERVICE (843) 821-2673
SC, 29483
13 miles from Dorchester
SC, 29481
22 miles from Dorchester
Knight's Septic Tank Svc (843) 538-2234
SC, 29488
22 miles from Dorchester
A-1 Septic Tank Service (843) 761-6244
SC, 29461
23 miles from Dorchester
FAIN SEPTIC TANK SERVICE (843) 761-8821
SC, 29461
23 miles from Dorchester
Fains Septic Tank (843) 761-8821
SC, 29461
24 miles from Dorchester
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If you are building a Dorchester, SC home that isn’t near a sewer system hookup, you’ll want to hire an excavation company that specializes in septic system design and installation.

How Do Septic Tank Systems Work?


A large concrete or steel septic tank can hold up to 1,000 gallons of water. Wastewater comes down into the tank on one side from your Dorchester, SC home’s sewage pipes and leaves the tank on the other side. Gases go up through a vent pipe through the roof of the house. Wastewater flows out of the septic tank and into a drain field made of perforated pipes, deeply buried and covered in gravel-filled trenches.

The drain field tends to be about 6 feet deep and 2 feet wide. Ultimately, the size of the drain field depends on how well the soil absorbs water, with slow-absorbing soil requiring a larger drain field. About 3 feet of gravel covers the drain pipes, with dirt filling the remainder.

Installing a septic tank system is best left to a licensed advanced wastewater treatment system installer, who can anticipate what size drain field your Dorchester, SC system will need. Whether you’re working on a new build or a remodel, make sure your septic expert and installer openly communicates with your contractor or builder.

Find septic tank and system professionals on Houzz. Narrow your search in the Professionals section of the website to Dorchester, SC residential septic tank and system experts and installers. Read through professional profiles for information on licensing, qualifications and experience.
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