Surface drains are the most common and widely used types of drains for residential areas, and there are many different types of systems that could be considered surface drains.
Major drainage systems may include storm sewers, open channels, drainageways, ponds, rivers, streams, and detention facilities.
Main drain line – hidden under your foundation slab or basement floor, the main drain line is connected to the municipal sewer line and carries all your home's wastewater to it. Pipe shut-off – your stop valve is usually close to your water meter and must prevent flooding or water damage.
French Drains
The perforations in the pipe allow water to seep into the drain, and the gravel helps to filter out any debris. The soil on top helps to keep the gravel in place and also aids in the absorption of water. French drains are an effective way to reduce flooding and prevent water damage.
Vents, traps, and cleanouts are vital elements of a drainage system. Vents stick up from the building's roof, allowing air to enter the drainpipes and maintain equal pressure. Traps are the curved pipes under every drain that hold water and prevent sewer gases from rising into the living space.
Largest river basins
The three rivers that drain the most water, from most to least, are the Amazon, Ganges, and Congo rivers.
Drainage systems can be divided into two types of systems, one for surface water (rainfall runoff), and one for subsurface water (groundwater). The first defense against water draining into your home is to protect your home from rainfall. This is done with your roof, gutters and downspouts on your home.
There are mainly four types of drainage systems: Surface Drainage System. Subsurface Drainage System. Slope Drainage System.
Yard drains are also called catch basins. As that name implies, the purpose of this drain is to 'catch' excess surface water in a basin and redirect it. The catch basin acts like a sewer drain and directs the water through a pipe sloping away from the basin.
An effective drainage system is one that removes all excess water without causing inconveniences in terms of design. For example, in an area with many buildings like residences and shops, there cannot be open drains that flow through the areas.
Dendritic drainage systems (from Greek δενδρίτης, dendrites, "of or like a tree") are not straight and are the most common form of the drainage system.
A dendritic drainage pattern is the most common form and looks like the branching pattern of tree roots. It develops in regions underlain by homogeneous material.
The Amazon river forms the largest drainage basin in the world.
The Nile River is the longest river in the world at 4,132 miles (6,650 km). It Flows from central Africa northward through northeastern Africa to the Mediterranean Sea and has three principal streams: the Blue Nile, the Atbara, and the White Nile.
Point Drain or Linear Drain
Point drains are most common and are what we are used to seeing in showers. They are typically located in the middle of the shower floor, and the floor is sloped from all directions down to the drain.
Function: The primary function of main drains is to transport all wastewater from various sources within your home or building to the municipal sewer system or septic tank. This includes water from sinks, showers, toilets, and appliances like washing machines and dishwashers.
French drains are a common system used in residential areas to redirect water away from homes and landscaping.
How do I know where my surface water drains to? The easiest way to find out where your surface water drains to is to look along the guttering and follow it around the house until you see a pipe that comes down the side of the house and goes directly into the ground.