QA

Quick Answer: How To Build A Septic System

How do you build a septic drain field?

Locate your septic tank and uncover the distribution box. Decide where to dig your trenches. Clearly mark the trenches with spray paint. Dig the trenches. Lay straight perforated pipes in the trenches. Cover the trenches with a layer of straw. Plant grass over the top of the leach field.

How much does a septic system cost?

On average, the cost of installing a new septic tank system is $3,900. The price ranges from $1,500 to $5,000 for a typical 1,250-gallon tank, which is an ideal size for a three- or four-bedroom home. This cost is inclusive of the tank itself, which costs $600 to $2,100 or more, depending on the type.

Can you have a septic tank without a leach field?

The waste from most septic tanks flows to a soakaway system or a drainage field. If your septic tank doesn’t have a drainage field or soakaway system, the waste water will instead flow through a sealed pipe and empty straight into a ditch or a local water course.

What is the smallest septic tank available?

If you’re looking to install a septic system, the smallest tank size you’re likely to find is 750-gallon, which will accommodate one to two bedrooms. You can also opt for a 1,000-gallon system, which will handle two to four bedrooms.

How do I calculate the size of my septic drain field?

Drainfield Size The size of the drainfield is based on the number of bedrooms and soil characteristics, and is given as square feet. For example, the minimum required for a three bedroom house with a mid range percolation rate of 25 minutes per inch is 750 square feet.

What kind of pipe is used for septic drain field?

Corrugated pipe is typically used for drain fields. Septic systems use drain fields to treat the septic tank effluent for the removal of impurities and contaminants. The field is made up of trenches typically containing washed “drainrock” or gravel.

How deep do leach lines need to be?

A standard leach line is considered to be three (3) feet wide and three (3) feet deep with a length as required.

How long does a septic tank last?

Steel septic tanks have a life expectancy of 15 to 20 years. These should not be used for new installations but can still sometimes be found in older rural properties. Plastic (PE) or fiberglass tanks (GRP) have a life expectancy of 20 to 30 years.

How many types of septic systems are there?

Septic System Types. There are two basic septic system types — conventional and alternative. Site and soil conditions generally determine the type of system that should be installed.

What does it cost to have a septic tank drained?

The typical costs for septic pumping are as follows: National average cost for a septic tank pump out: $295-$610. Up to 750-gallon tank: $175-$300. Up to 1,000-gallon tank: $225-$400.

What are the alternatives to septic tanks?

Alternative Septic Systems Raised Bed (Mound) Septic Tank Systems. A raised bed drain field (sometimes called a mound) is just like what it sounds. Aerobic Treatment Systems (ATS) Aerobic systems are basically a small scale sewage treatment system. Waterless Systems.

Are septic tanks still legal?

According to new regulations passed in 2015, if your septic tank discharges to surface water such as a ditch, stream, canal or river, you will have to upgrade your system to a sewage treatment plant or install a soakaway system by 1 January 2020.

What is the difference between a septic tank and a leach field?

The septic tank stores solid waste products that are not reduced to liquid effluent until you have them pumped out and disposed of properly. The leech field is a series of perforated pipes that provide an effective means for disposing of contaminates without endangering animals or contaminating the ground water.

How does a 1000 gallon septic tank work?

An average size is approximately 1000 gallons to 1500 gallons in capacity. Most septic tanks have one or two compartments. The inlet baffle forces the wastewater from the sewer line down into the tank instead of across the surface of the tank and into the outlet pipe leading to the absorption area.

What is the cheapest septic tank?

Types of Septic Tank Systems These conventional septic systems are usually the most affordable, with an average cost of around $3,000.

Are septic tanks plastic?

Plastic septic tanks are watertight and are immune to water-based corrosion. They are also rust-resistant. Plastic tanks are less prone to cracking since plastic is flexible, and thus a plastic septic tank does not crack as much as a cement septic tank. Plastic septic tanks are more hygienic than cement tanks.

Do septic tanks have pumps?

Waste and sewage is removed from a septic tank into the drain field either through gravity or with the help of a septic system lift pump. Pumps are usually necessary for septic tanks that sit lower than the drain field and gravity is unable to carry and/or push the effluent out of the tank.