If your tank is going to be installed in an area with gravel or coarse soil, a pressure-type septic system is best. For areas with rich soil or dirt, a gravity system is better. These allow streams of untreated sewage to seep into the ground, fertilizing the surrounding dirt.
What is the best kind of septic tank?
The best choice is a precast concrete septic tank. Precast septic tanks hold many advantages over plastic, steel, or fiberglass tanks. This is why so many cities and towns actually require the use of concrete septic tanks.
What is the most expensive septic system?
Mound Septic System Cost A mound septic system costs $10,000 to $20,000 to install. Its the most expensive system to install but often necessary in areas with high water tables, shallow soil depth or shallow bedrock. It relies upon an elevated mound of sand for the drain field rather than excavating into the soil.
What is the longest lasting septic system?
Steel tanks can last anywhere from 20-30 years, and usually deteriorate from weathering. Plastic tanks last a bit longer, with an average lifespan of 30-40 years. The longest lasting option are concrete tanks, which can last 40 years or more.
What is the least expensive septic system?
In general, gravity-powered conventional septic systems are the least expensive. In some parts of the United States you can get such a system installed for $3,000 - $5,000.
How long should a septic drain field last?
Its important to consider the life expectancy of a drain-field, too. Under normal conditions and good care, a leach-field will last for 50 years or more. Concrete septic tanks are sturdy and reliable but not indestructible.
Can you pump a septic tank too often?
Much like the human bodys digestive system, the septic tank uses anaerobic digestion to naturally break down the waste for the next level of filtration. If your septic tank is pumped too often, that bacteria will have no place to go but out into the drain field, which can lead to clogs and failures.
What are the disadvantages of having a septic tank?
Cons of a septic tankRequires period maintenance – The tank needs to pumped every three to five years. Backed up drains – The septic lines can get clogged by a host of materials (many that shouldnt be flushed or put down the drain the first place).More items •18 Feb 2019
How do you know if your drain field is bad?
When the drainfield fails, or is saturated with water, sewage may backup into the home. Wet, soggy areas may develop above or near the drainfield and you may see spongy bright green grass over the area. There may also be odors near the tank or drainfield.