What is foul drainage?

Author: Kirsten McCullough Sr.  |  Last update: Thursday, February 12, 2026

Foul Water Drainage. Foul water comprises of 'black' soil water from toilets and 'grey' waste water from baths, basins, sinks, washing machines etc. A foul water drainage system carries foul water from the building to an underground sewer pipe, a cesspool, a septic tank or a wastewater treatment system.

What is the definition of drainage?

Drainage refers to the process of removing excess water and moisture from an area. It is essential for maintaining the stability and integrity of buildings, gardens, and farmland. The drainage system is used to prevent water from accumulating and causing damage and erosion.

What is bad drainage?

Without proper drainage, water can collect in your yard creating structural issues to your home, damage to plants and flowers, an increase in bugs and a messy, swampy mess. Signs that you may have poor drainage are: Water in the basement. Mosquitoes breeding in puddling water.

What is sewer drainage?

Sewers (or sewerage system) are an underground network of pipes that hold sewage (which is normally wastewater mixed with human waste), wastewater and water run-off from drains and directly into waste treatment plants or disposal points.

What is a foul connection?

What type of sewer connection you need: Foul water sewer: carries wastewater from toilets, baths, showers, sinks, dishwashers, and washing machines. Surface water sewer: carries rainwater from rooftops, roads, driveways, and paved areas. Combined sewer: carries both foul water and surface water.

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How to identify a foul drain?

In general, any pipes that are underground will be referred to as foul drains or foul sewers while pipes above ground are usually referred to as sanitary pipework.

What is called a foul?

foul noun [C] (SPORTS)

(esp. in basketball) an act that is against the rules of a sport, sometimes causing injury to another player, or a punishment given to a player for breaking the rules: an intentional foul.

What is a sewer drain called?

The line from the house to the sewer is called the lateral line or just lateral for short. The line in the street is the sewer line and when two sewer lines connect to a single line that line is called a collector or a main line. If two main lines connect then the line they connect to is called a trunk line.

What is the difference between sewerage and drainage?

What is the difference between sewer and stormwater drainage? Sewers are designed to carry solid waste. Stormwater drains are designed to carry water. Sewers carry waste to sewage waste treatment plants where the sewage is properly treated before disposal in waterways.

What is drainage waste?

Drainage systems capture water, reclaim it, and convey it to an appropriate offsite location to be processed and treated for waste. When water is captured, it must be adequately processed for both hazardous and non-hazardous waste before it can be outlet into a body of water or reused.

What is foul smelling drainage?

Pus from an infected wound might be white, yellow, green, pink or brown in color — and it usually smells bad. Changes in purulent drainage color or odor usually mean the infection is getting worse. Your skin is a protective barrier.

What are the four types of drainage?

Types of Home Drainage Systems
  • Surface Drainage. This type of drainage system focuses on getting rid of water from the top or surface part of your home. ...
  • Subsurface Drainage. A typical subsurface drainage system can remove excess water from the soil at the root level. ...
  • Slope Drainage. ...
  • Downspouts and Gutters.

How can we solve the problem of drainage?

DIY solutions for addressing common drainage problems include cleaning gutters, re-grading the area, installing French drains, and installing a sump pump. In some cases, it may be necessary to hire a professional to address severe or complex drainage problems.

What is the meaning of poor drainage?

Poor drainage is one which isn't able to discharge the water ingress into the main river/sea etc at the same rate as it receives ingress water, resulting in overflow and flooding of streets etc.

What is an example of a drainage?

The tributaries from a summit follow the slope downwards and drain down in all directions. Examples – Rivers like Narmada, Son and Mahanadi originating from Amarkantak Hills flow in different directions. Also, the Girnar Hills (Kathiwar, Gujarat), and Mikir Hills of Assam forms radial draingae pattern.

What is the meaning of sewage drainage?

Drainage is the system of pipes, channels, pits etc that carry water away to a point of Discharge. Sewage is waste water that is contaminated with human faeces and other biological and toxic hazards.

Is drainage a sewer?

Drains handle the wastewater generated within a building and transport it to the sewer system. In contrast, sewers manage collecting and transporting large volumes of wastewater from multiple sources to treatment facilities.

What are the three types of sewerage?

There are three main types of sewer systems: Sanitary sewers, stormwater sewers and combined sewers. Some households are attached to septic systems, but these systems do not attach to offsite sewer systems. Sanitary Sewers: Sanitary sewers carry wastewater from homes and businesses to wastewater treatment plants.

What is the drainage method?

The removal of excess water either from the ground surface or from the rootzone, is called drainage. Excess water may be caused by rainfall or by using too much irrigation water, but may also have other origins such as canal seepage or floods. In very dry areas there is often accumulation of salts in the soil.

What is a sewer drain?

Sewer drains lie underground, carrying wastewater and sewage from our homes, offices and manufacturing facilities. These workhorses of our plumbing systems are essential for maintaining sanitation and public health by effectively disposing of waste, yet we often don't notice them until something goes wrong.

What is a septic drain?

Septic drain fields, also called leach fields or leach drains, are subsurface wastewater disposal facilities used to remove contaminants and impurities from the liquid that emerges after anaerobic digestion in a septic tank. Organic materials in the liquid are catabolized by a microbial ecosystem.

Where is the main sewer drain?

It can typically be found in the basement, crawl space or garage. You will want to search for a pipe that is approximately four inches in diameter with a screw cap on the top that has a notch or square knob at the top. Note that some homes have an indoor sewer cleanout point, while others may be located outdoors.

What does "foul" stand for?

Foul is most commonly used as an adjective to describe a bad smell. As a verb, foul usually means “make dirty or messy.” You might foul your room to the point where it smells a bit foul. In general, foul can be used as an adjective meaning "bad." Foul luck is bad luck; a foul day is a bad day.

What do you mean by foul?

a. : offensive to the senses : loathsome. the foul odor of rotten eggs. b. : filled or covered with offensive matter.

What is the full meaning of fowl?

Fowl comes from the Old English fugel, "bird," meant simply that — "bird." Today, fowl usually refers specifically to chickens or other kinds of domesticated birds that lay eggs or are raised to be eaten.

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