Septic System Installation in Avalon, PA
Whether you are building a new home in Avalon or replacing a system that has reached the end of its life, septic installation is a project that starts with the soil. The right system depends on your lot, your soil and the size of your household.
Request a call and a local septic company that installs systems in Avalon and Ben Avon, Bellevue, Emsworth will explain the process from site evaluation to final inspection.
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.
Conventional and alternative systems
A conventional system is the simplest and usually the least expensive to maintain. Alternative systems add pumps, controls or treatment steps so they can work in difficult soil. Around Avalon, the soil on your specific lot is what decides which category you fall into.
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 Avalon and how long review usually takes.
What you are paying for in a new system
A new system quote covers the soil evaluation and design, permits, the tank, pipe and field materials, excavation and backfill, and the final inspection. Ask whether site restoration such as grading and seeding is included, and whether the quote assumes a conventional system or an engineered one.
Protecting your investment
A new system can last decades with basic care. Know where every part is, avoid planting trees near the field, send roof water away from it, and keep grease, wipes and chemicals out of the drains. Schedule the first inspection and pumping so you have a baseline for later visits.
Before you sign
Make sure the contract lists the system type, the scope of work, permit responsibilities, the timeline, cleanup and warranty. Ask how weather or unexpected site conditions will be handled.
How long a new system takes near Avalon
Soil testing, design and permit review usually take longer than construction. In Allegheny County, wet seasons and frozen ground can delay soil evaluations, and review times vary through the year. Once the permit is in hand, most installations take a few days to a couple of weeks.
What to avoid on a new system near Avalon
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.
Replacing an old system in Avalon
When a system near Avalon fails, replacement often means a new drain field in a fresh part of the yard. The old tank may be pumped, crushed and filled, or reused if it is sound. Allegheny County usually requires a permit and a final inspection. Ask for the as-built drawing once the work is done.
What Avalon's soil means for a new system
The USDA soil survey rates most mapped soils near Avalon 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. Avalon averages about 39 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 Avalon that affect septic installation
Among the mapped soils within about two miles of central Avalon, the USDA soil survey rates 90% as very limited for septic absorption fields, 7% as somewhat limited and 3% as not limited. The most common drainage class is 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.
Avalon averages about 39 inches of precipitation a year, and June is usually the wettest month. Average temperatures stay below freezing for about 3 months a year, with January averaging 27°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 Avalon means for septic installation
By drainage class, the USDA soil survey maps the land around Avalon as 65% well drained, 26% moderately well drained, 4% poorly drained, 3% somewhat excessively drained, 3% 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 Avalon
These are the septic companies in our directory closest to Avalon, with straight-line distance. Call any of them directly, or send one request and we will pass it to the best match.
- WDS & Amco Johns, Tarentum, PA, 15.7 mi
- Bakerstown Sanitation Inc, Valencia, PA, 16.7 mi
- Zimmerman Excavating, Clairton, PA, 17.7 mi
- Luzell Inc, Industry, PA, 23.1 mi
- Vets Sanitation, Butler, PA, 23.9 mi
- TCTR Kelley Excavating, Sarver, PA, 23.9 mi
Septic Installation in nearby towns
We also cover septic installation in these towns near Avalon:
About Avalon, PA
Avalon is in Allegheny County, Pennsylvania. About 4,588 people live there, across 0.6 square miles of land (about 7,436 per square mile).
Septic Installation questions in Avalon
- 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.
- 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 Avalon. That company designs, installs and prices the system.