All drains in the house connect to a single line that flows to the underground septic tank outside. The waste water from your toilet, shower, sinks, and washing machine is mixed as it exits your home. The waste's heaviest particle debris, known as sludge, settles to the bottom. The lightest particles are air and water.
The only other place this waste water can go is into a municipal sewer system, if one exists near you. If not, then you have two options: dig an individual drain field for your home or pay to have your city install a public sewer system.
An individual household drain field is an inexpensive option that most homes with small yards can afford. It works by placing an area of soil close to the house where water can flow through holes in the ground to reach the tank. This area needs to be at least 1,000 square feet and should be dug by a professional so it's deep enough to handle the weight of water flowing into it.
Public sewers are a more expensive option but one that is required for houses with larger yards or multiple stories. They work by replacing your existing street drainage system with large pipes that carry sewage away from your house and into treatment plants.
In either case, make sure you know what type of system you have before you start any work.
All of this waste flows into the septic tank via the drains, where dense stuff settles at the bottom of the tank and liquid flows into the soak away pit, where it percolates into the soil. Other types of garbage are collected along the route by the sewage lines that run from residences and workplaces. The collection system is called the sanitary sewer system.
When the time comes to replace your septic tank, there are several options available for disposal sites. You can choose an approved treatment facility if you want the waste fluid to be recycled instead of going into the environment. Otherwise, you can choose to have the tank removed and disposed of at a landfill site.
In conclusion, human waste is dumped into the sink or toilet, which sends it through the plumbing system to the septic tank or drain field. From there, it is released into the soil without being treated, unless you install a tankless water heater. In this case, the waste gas is released into the atmosphere.
The process by which fresh water becomes saltwater is known as evaporation. Evaporation occurs when moisture in the air reaches 0°F (or 32°C). At these temperatures, the water molecules become frozen onto particles such as dust or dirt. As more and more water evaporates, so does more and more salt. This is why coastal areas tend to be salty even though there's plenty of freshwater right under their feet.
Bacteria in the tank aid in the breakdown of the sludge, converting it to a liquid. A pipe at the top of the septic tank runs to a section of the yard known as the drain field. When sewage from the septic tank reaches this conduit, it goes into the drain field and is filtered by the earth. As bacteria continue their work, some solids are left over. These must be removed periodically by a professional septic tank company.
The waste products that cannot be broken down by bacteria remain in the tank. Over time, these materials will cause problems if they reach areas where they can be seen or smelled. This could happen if the tank leaks or if there is an excessive amount of water in the tank. In any case, action should be taken as soon as possible to prevent further damage to your home. The best course of action is to have a professional inspect your system and provide maintenance if needed.
A septic system is a large investment, so it's important to take care of it regularly so it will serve you for many years to come. If you aren't sure whether your system needs attention, call a company that provides septic tank pumping services. They will be able to tell you how often a system like this should be pumped up to ensure it operates properly.
Water that leaves our homes either goes into a septic tank in the back yard and seeps back into the earth, or it is routed through a sewer system to a wastewater-treatment facility. There, chemicals are used to break down some substances in the water so that they can be removed from the waste stream.
At the treatment plant, large machines called centrifuges separate out any solid particles from the liquid. These include items such as glass, plastic, paper, and metal. The liquid flows into larger pipes or tanks where oxygen is added if bacteria growth is desired. Bacteria consume the organic material in the water using anaerobic processes (without oxygen). The water is then pumped into unlined ponds or ditches to allow time for any remaining organisms or pollutants to settle out. The clear water from these primary settling ponds is then discharged into local streams or other bodies of water.
Secondary settling occurs when sediment collects at the bottom of the pond and becomes thick enough to support additional levels of vegetation. This creates more food for bacteria which further removes contaminants from the water. Secondary settling ponds require regular cleaning to prevent overloading and overflowing. When this happens, contaminated water may escape into neighboring properties or into local waterways.
Tertiary settling involves adding chemicals to the water to reduce the amount of contamination still present after secondary settling has taken place.