New Septic Systems for Harvey Properties
Replacing a failed system or installing one for a new build in Harvey involves more than digging a hole for a tank. Soil testing, system design, permits and inspections all shape the final result.
A local installer can tell you which system types are likely to work on your lot and what the process looks like.
How septic installation works
Most projects follow the same steps. First comes a site evaluation and soil test, then a system design sized for the home and a permit application. After that the tank and drain field are installed, followed by a final inspection before the system is covered. Your installer coordinates much of this, but timelines depend on local review and weather.
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.
The permit process for a new system
Installing or replacing a septic system almost always needs approval from the Cook County health department or the state agency that oversees septic systems. The usual steps are a soil evaluation, a stamped design, plan review and one or more inspections during construction. Starting without a permit can mean digging it all up again.
Understanding installation quotes
A complete quote should cover design, permits, excavation, the tank, the dispersal system, inspections and site restoration. Ask what is excluded, such as tree removal, electrical work for pumps or driveway repair. Compare quotes for the same system type.
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.
Choosing an installation company
Look for experience with the soils and systems common around Harvey and Phoenix, Dixmoor, Markham, clear written quotes and a plan for permits and inspections. A good installer explains tradeoffs between system types rather than pushing one option.
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 Harvey 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.
Mistakes to avoid on a Harvey installation
The most expensive mistakes happen before the digging starts. Skipping the soil evaluation, choosing a system on price alone, or placing the drain field where future driveways, pools or additions will go all lead to trouble later. Undersizing the tank for the number of bedrooms is another common one. Ask your Harvey installer to walk you through the site plan and explain why each part sits where it does.
Planning a new system near Harvey
A new septic system near Harvey starts with a site visit and a soil evaluation. Those results decide the system type, the tank size and where the drain field can go. Cook County reviews the design before work begins and inspects it before it is covered. Planning early keeps the project from holding up a closing or a build.
What Harvey's soil means for a new system
The USDA soil survey rates most mapped soils near Harvey as very limited for septic absorption fields. New systems here often need a mound, pressure distribution or another engineered design, which your soil test will confirm. Harvey averages about 38 inches of precipitation a year, which your designer will factor into where the system goes. About 3 months below freezing mean pipes and components must sit deep enough or be insulated, and installation is usually easiest outside winter.
Local conditions in Harvey that affect septic installation
Among the mapped soils within about two miles of central Harvey, the USDA soil survey rates 100% as very limited for septic absorption fields, 0% as somewhat limited and 0% as not limited. The most common drainage class is moderately well drained. Soils like these often call for careful system design, such as a larger drain field, a mound or another engineered system, and a site evaluation before any new installation or replacement.
Harvey averages about 38 inches of precipitation a year, and May is usually the wettest month. Average temperatures stay below freezing for about 3 months a year, with January averaging 25°F, so tank lids and shallow lines benefit from a layer of snow or mulch rather than being cleared bare.
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 Harvey means for septic installation
By drainage class, the USDA soil survey maps the land around Harvey as 31% moderately well drained, 27% somewhat poorly drained, 24% poorly drained, 15% well drained, 3% excessively drained. With 51% of the soil poorly drained, a new or replacement field here is often larger or raised, and a soil test comes before any design.
Source: USDA NRCS Soil Survey (SSURGO), Soil Data Access
Septic companies near Harvey
These are the septic companies in our directory closest to Harvey, with straight-line distance. Call any of them directly, or send one request and we will pass it to the best match.
- Set Industrial Service Inc, Glenwood, IL, 5.0 mi
- Bruns Newbury Sanitary Service, Crete, IL, 12.5 mi
- Sullivan Septic & Sewer, New Lenox, IL, 16.6 mi
- Balducci & Son, Lemont, IL, 17.9 mi
- Excalibur Enterprises Inc, New Lenox, IL, 18.0 mi
- Hobart Lake Station Septic & Sewer, Lake Station, IN, 18.8 mi
Septic Installation in nearby towns
We also cover septic installation in these towns near Harvey:
About Harvey, IL
Harvey is in Cook County, Illinois. About 19,397 people live there, across 6.2 square miles of land (about 3,126 per square mile).
Septic Installation questions in Harvey
- 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.
- What is a mound system?
- A mound system raises the drain field above the natural soil using sand and fill. It is used where the soil is too shallow, too wet or too slow draining for a conventional field.
- Do I need a soil test for a new septic system?
- Yes, in nearly all cases. The soil evaluation decides what type of system and how large a field your lot can support.
- Is SepticTank.com the installer?
- No. SepticTank.com connects you with an independent local septic company that serves Harvey. That company designs, installs and prices the system.