766 Illinois Septic Tanks and Systems

Is the grass always greener over the septic tank? You might want to ask your Illinois septic tanks and systems expert. More 
Morison, IL, 61270
50 miles from
Workman Heating & Cooling has been providing quality air conditioning and heating services in Morrison, IL for many years, ensuring that your home is comfortable and safe all year... Read More
IL, 61604
40 miles from
IL, 61016
50 miles from
IL, 62711
50 miles from
B & W Harn Landscaping (309) 682-4007
IL, 61616
38 miles from
Behm Jim & Son Plumbing (309) 674-6790
IL, 61602
37 miles from
MILLER SEPTIC INC (815) 686-9287
IL, 60955
50 miles from
MILLER SEPTIC INC (815) 471-4204
IL, 60970
50 miles from
Miller Septic Inc (815) 471-8430
IL, 60970
50 miles from
IL, 62301
50 miles from
IL, 61554
32 miles from
IL, 60120
50 miles from
Rooter Man - Staunton (618) 344-4320
IL, 62088
50 miles from
IL, 60112
50 miles from
IL, 60120
50 miles from
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If you are building a Illinois 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 Illinois 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 Illinois 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 Illinois residential septic tank and system experts and installers. Read through professional profiles for information on licensing, qualifications and experience.
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