Turn off the gas valve besides the water heater. Turn top dial from on to off position. In case you have an electric water heater, turn off the power on the water heater.
Turn off the water supply with the valve located at the top of the heater. Turn handle clockwise until it stops.
Drain heater by connecting a hose to the water drain valve, at the bottom of the tank. Run other end of the hose to a lower location, and open the drain faucet or open hot water faucet inside the building so air will enter the tank and permit it to drain.
Call your licensed plumber (214)556-6600
Drain Cleaning
Becoming familiar with the general structure of the drains in your home will help you know whether this is a job you can tackle. Even if you do need to call in he experts, you will have a better idea of how the cope until they arrive. Regularly cleaning your drainpipes and repairing old or broken pipes could certainly reduce the chances of a future plumbing disaster. All drains work on the simple principle that water runs down hill. When a drain is clogged, ti usually means something is blocking the water from streaming according to that law of gravity. Once you know where the clog, is you may then perform a drain cleaning .
Slab leak
If you notice water coming from your floor then you might have a possible slab leak. make sure that you dont have any water thats running in your house
Go to your water meter next to your side walk and look at the center dial of the meter. If your center dial on your meter is turning and you dont have any water running then there is a possibility that you have a slab leak
Call your license plumber to pull a pressure test to locate and repair leak
Turn your water off at the main water meter till a plumber gets there to prevent any further damage
Toilet Repair
Shut off the water at the back of the toilet were the shut off valve is at
Check toilet to see if it is cracked or if steadily running
Check flex line to see if it is damage
remove top cover of tank
If you have experience on toilets, trouble shoot the situation and fix it accordingly.