A flooded toilet presents an immediate problem that must be resolved before the toilet can be used again. First you will have to stop the toilet from overflowing, and deal with the blockage in the drain pipe of the toilet bowl to prevent it from overflowing again. Avoid clogging your toilet by using less toilet paper and not putting other objects in the toilet.
KOHLER K-4197-96 Wellworth Round-Front Bowl, Biscuit
Close the tap
First you will have to stop the toilet from overflowing by cutting off the toilet's water supply. You will have to locate the closing valve of the toilet, which is usually located near the floor behind or next to the toilet. Once you find the valve, turn the lever to the right as far as your hand can use it. Do not use a wrench or other tool to tighten the handle, or you could damage the handle or valve. If the water continues to flow, you will have to close the main water valve in the house, which will turn off all the water in the house, until the toilet can be repaired. Clean the water on the floor since it left that can lead to water damage or mold growth.
Use a plunger
Find a funnel cup plunger to use in the toilet, as it has a curved extension in the bottom of the cup that creates more pressure in the toilet's drain pipe. Regular plungers that have a simple cup of them work best in sinks and tubs when they clog. It is necessary to place the plunger cup in the toilet and cover the drainage hole, creating an airtight seal between the container and the edges of the plunger cup. Vigorously pump the handle of the plunger up and down at least a dozen times, remove the cup from the drain hole and pull the chain to see if the clogging persists. Continue sinking if you see the progress; otherwise go to the auger.
Use an endless screw
A closet auger consists of a handle and a long, flexible hose that has a metal hook or corkscrew on one end. You feed the flexible part of the auger in the toilet drain opening, hook or at the end of the corkscrew first, ensure that you do not scratch the porcelain. Turn the handle to the right of the auger to feed more deeply into the toilet drain pipe and to push through any blockage in the pipe. Once you reach the end of the flexible hose, retract the drain screw by turning the handle to the left. Depending on the severity of the obstruction is, you may have to feed the auger in the toilet up to three times. The first time it is needed to point towards the center of the leak; in subsequent attempts feed the auger through the left and right walls of the leak in an effort to clean the entire drain pipe.
Call a plumber
Some toilet blockages will still not come free, even after using an endless screw. These clogs require the experience of a trained plumber, who will employ additional methods that are necessary to return his toilet to his normal work order. There may be a bigger problem in your home's plumbing if you notice water backing up in other drains in your home.