212 Colma, CA Septic Tanks and Systems

Is the grass always greener over the septic tank? You might want to ask your California septic tanks and systems expert. More 
Oakland, CA
14 miles from Colma
San Francisco, CA, 94124
6 miles from Colma
sirfert engineering inc (510) 451-2600
oakland, CA, 94612
14 miles from Colma
construction electrical plumbing and more Read More
Caldwell-Roland (510) 452-0577
San Francisco/Oakland, CA, 94607
14 miles from Colma
Ajax Plumbing & Heating (415) 931-4733
San Francisco, CA, 94102
8 miles from Colma
Bay Area Backflow (650) 212-2435
San Mateo, CA, 94403
13 miles from Colma
San Leandro, CA, 94577
17 miles from Colma
Tank People (415) 877-1877
Mill Valley, CA, 94941
17 miles from Colma
Mill Valley, CA, 94941
17 miles from Colma
San Leandro, CA, 94577
17 miles from Colma
Corte Madera, CA, 94925
18 miles from Colma
TG'S BACKFLOW SERVICE (510) 481-1801
San Lorenzo, CA, 94580
19 miles from Colma
T G'S BACKFLOW SERVICE (510) 481-1801
San Lorenzo, CA, 94580
19 miles from Colma
QUALITY SEPTIC SERVICE (415) 924-6668
Corte Madera, CA, 94925
19 miles from Colma
Redwood City, CA, 94062
21 miles from Colma
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If you are building a Colma, CA 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. You can find more septic tanks & systems in San Francisco, Oakland, Berkeley, Daly City and San Mateo.

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 Colma, CA 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 Colma, CA 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. Here are some related professionals and vendors to complement the work of septic tanks & systems: General Contractors, Plumbing Contractors.

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