Water Heater Problem: Sudden change in the colour of water used for drinking, cooking and everyday tasks can be disturbing to anyone.

Causes of dirty or yellow water coming from the tap

How to Fix Dirty Tap Water at Home: It's natural to worry if, upon opening a tap, clear water begins to flow instead of yellow, brown, or dirty. After all, the sudden change in color of water used for drinking, cooking, and other daily tasks can be disturbing. In such a situation, it's important to understand that dirty water isn't always caused by the home's plumbing or tank. Sometimes, it could be due to a change in the water supply pipeline outside the home.

If your tap water suddenly becomes cloudy, the first step is to check whether the contamination is present only in the hot water or in the cold water as well. This simple test can go a long way in identifying the cause of the problem.

First, check both hot and cold tap water.

If the cold water is normal in color but the hot water appears dirty or discolored, the problem may be with your home's water heater. Sediment can build up inside the water heater over long periods of use, and this sediment can be released with the hot water. If only the hot water has changed color, it's best to have the water heater checked. If necessary, it can be flushed or drained. If the problem is more chronic, it should be inspected by a plumber.

What to do if both hot and cold water is dirty?

If all the taps in your home suddenly have dirty water, it could be due to a change in the main water pipeline outside the house. Any repair, breakage, or maintenance work on the main water line can dislodge natural sediment within the pipes. Sometimes, even a sudden increase in water flow from normal to higher levels can stir up dirt or sediment deposited at the bottom of the pipes, which can then reach the household supply. Activities like drawing water from a hydrant during street cleaning or turning a valve in a water line can also dislodge sediment within the pipes. Therefore, if the water suddenly becomes dirty and the same problem is occurring in multiple taps in your home, it's not correct to assume it's simply a fault in your home's plumbing.

What to do if the water clears up on its own?

Sometimes, after a problem with the water supply resolves, the water becomes clear again within a short time. If the water was discolored due to sediment in the main pipeline, this problem may resolve on its own once the supply is normal. Next, it's important to drain any remaining dirty water from the household plumbing. To do this, run the taps for a while to flush out the old water. Filling and emptying the bathtub a couple of times can also be another way to flush out any accumulated water in the plumbing.

When should it not be ignored?

Even if the water clears after a while, make sure the problem doesn't recur. If the water remains discolored for several days, repeatedly returns dirty, or the same problem reappears after a period of clear water, it's important to investigate.

If your tap water suddenly turns dirty, there's no need to panic and immediately replace your entire plumbing system. First, check the hot and cold water supply separately. If only the hot water is dirty, the water heater could be the culprit. However, if multiple taps in your home are producing dirty water simultaneously, a problem with the main water supply line or accumulated sediment could be the cause.