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6 Reasons Your Tap Water Is Cloudy
6 Reasons Your Tap Water Is Cloudy
4.8 RATING

6 Reasons Your Tap Water Is Cloudy

Turning on the tap and seeing cloudy or milky water can be a bit alarming. While it's often harmless, cloudy water can be a sign…

September 16, 2026
6 Reasons Your Tap Water Is Cloudy

Tuing on the tap and seeing cloudy or milky water can be a bit alarming. While it’s often harmless, cloudy water can be a sign that something’s wrong with your plumbing or water supply. Whether it's a temporary issue or something that requires professional attention, understanding the root cause can help you decide when it's time to call a plumber or schedule a plumbing repair service. Here are six common reasons your tap water might be cloudy—and what you can do about it.

1. Air Bubbles in the Water

One of the most common causes of cloudy tap water is air bubbles. When air gets trapped in your plumbing system—usually after maintenance or a recent change in water pressure—it can cause the water to look cloudy or milky. The good news? This type of cloudiness usually clears up on its own after a few seconds in a glass. If it does, it’s just air and nothing to worry about.

2. Hard Water and Mineral Content

Hard water is water that has a high concentration of dissolved minerals like calcium and magnesium. While not typically harmful to your health, these minerals can cause cloudiness and leave deposits on faucets and dishes. Over time, hard water can lead to buildup in pipes and appliances, which may require a plumbing repair service to address. Installing a water softener can help reduce these issues.

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Chahib Chakrome

Summit, NJ

The service provided was great, nothing to say about the work of the plumber. 5 stars to him. But the company charges felt way too much for the work. We would have liked to have the same plumber take care of other things in the house, but every time he check how much extra the company will charge for the job, the price just got too much. The plumber did an amazing job he selected a beautiful faucet to replace our old one. He did his best. But the company prices have no room for negotiation.

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Plainfield, NJ

A million stars!!!! Steve and Lucas were absolutely amazing. My parents pipes burst and within 4 hours of calling they came and fixed everything!!! Very nice guys and dealt with my panicking. I will always use them if needed in the future and you all should too!!! Thank god for people like this!!! Thank you so much guys!!!

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New Brunswick, NJ

We got very quick service, I think the plumber actually arrived in less than an hour! After reviewing what was happening, he gave us our options and performed the option we selected. This happened in the late afternoon or early evening. It was already dark and there was a lot of snow on the ground.

Steve Smith

Mountainside, NJ

I needed immediate, same day service in the early evening at my home. I went to the internet and looked up plumbing services that offered "24-hour, 7-day a week" availability. The first 3 places I called said that they could not get to me until the following day. Then I called Mr. Rooter. They were courteous and promptly got a technician to my house within an hour and a half. The technician, Lucas Kaufmann, was exceptional. The job was not easy, but he figured the problem out and got me all fixed up within an hour's time. Moving forward, I…

Stephanie Brown

Cranford, NJ

Despite what was quite obviously a busy day (day after Thanksgiving at 10pm) TJ came out and did not leave until the job was done! There were several setbacks, which at the late hour might have prompted him to leave- but he chose to stay and continue until the job was complete! I only have one bathroom so I was really hoping he could make it work, and he really did a wonderful job! So thankful for all of his help! I highly recommend TJ!

Shaheen Dhanani

Union, NJ

This is my second time using Mr. Rooter and I have to say they are an excellent company of experienced professionals! The service techs were courteous, experienced and actually spent time trying to figure out the issue before proposing the solution. They were also patient and answered all my questions without rushing the work. I will be using them again.

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Montgomery, NJ

TJ was amazing! 10/10 recommend this company. We were in an emergency state of panic with a burst pipe in the middle of a bad snowstorm. TJ came with knowledge, professionalism, kindness, and found the root of the problem within five minutes of being here. We will be using him again in the spring to fix an outdoor issue he found!

Alan Abraham

Clark, NJ

The technicians were friendly, professional and knowledgeable. The price was too high I believe, but the technicians had no control over that. The technicians took their time and did a great job. I would use them again and also recommend them.

Amy Swart

Berkeley Heights, NJ

Excellent service! Charles and Nicholas of Mr. Rooter arrived to my scheduled service a few minutes early, wore sanitary shoe coverings, and were extremely professional. They found the source of my leak quickly and fixed the issue. While they here, I requested an additional hydraulic heating inspection which they accommodated. They were very knowledgeable and provided helpful tips. I highly recommend this team and I will definitely call them for all future plumbing needs!!

JACKY Coppola

Wall Township, NJ

TJ came to my aid as the water pipe froze in my house. Although nothing could be done he gave me hints of what could be done my me which was very helpful. I found TJ very professional and caring about my situation. The best part of the very long night was the dogs adored him one wanted to accompany him to his next job. Thank you for employing such an amazing man. Plus today there is water running in the house. Thank you TJ and thank you Mr. Rooney plumbing for employing a man with helpful hints!!!!!

3. Sediment in the Water Supply

If your water comes from a well or a municipal source with aging infrastructure, sediment can occasionally find its way into your tap water. Dirt, sand, and other particles can make your water appear cloudy. If sediment is the culprit, it’s a good idea to have a plumber inspect your plumbing system and possibly install a filtration system to keep your water clean and clear.

4. Water Heater Issues

If the cloudy water only appears when using hot water, your water heater may be to blame. Sediment buildup inside the tank can mix with the water and cause cloudiness. Regular maintenance, including flushing the tank, can help avoid this problem. If the issue persists, it might be time to have a plumbing repair service take a closer look at your water heater.

5. Pipe Corrosion or Rust

Old or corroded pipes can release rust and other particles into your water, leading to discoloration and cloudiness. If you notice a metallic taste or orange and brown tints in addition to cloudiness, corroded pipes may be the issue. This is not something to ignore, as it can lead to leaks or pipe failure. A licensed plumber at Mr. Rooter Plumbing can inspect your pipes and recommend the best course of action, which may include pipe replacement.

6. Municipal Water Supply Maintenance

Sometimes, the problem isn’t in your home at all. Municipal water suppliers occasionally flush their systems or perform repairs that stir up sediment and introduce air into the lines. This can lead to temporary cloudiness in your tap water. Typically, this will clear up on its own within a few hours. If the issue continues for more than a day, it’s a good idea to contact your water supplier or call a plumber to rule out problems in your own system.

When to Call a Plumbing Repair Service

While cloudy water isn’t always a cause for conce, it’s important to pay attention to changes in water quality. If the cloudiness persists, or if it’s accompanied by a bad smell, odd taste, or discoloration, it’s time to call a plumbing repair service. A professional plumber in Oakhurst, NJ at Mr. Rooter Plumbing can identify the root cause of the issue and recommend the right fix—whether it’s installing a filtration system, replacing corroded pipes, or flushing your water heater. Keeping your water clear and safe is essential for everyday life. Don’t ignore the signs—when in doubt, it’s always best to let a professional take a look.

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