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How to Know If My House Has Hard Water

Hard water, if you didn't know, is water containing high amounts of mineral content.

May 05, 2026
How to Know If My House Has Hard Water

Hard water, if you didn’t know, is water containing high amounts of mineral content. It is formed when water percolates through deposits of limestone, chalk, or a mineral called gypsum. Hard water causes problems with residential water supplies since it isn’t the cleanest option. People seem to think the solution to hard water is installing water treatments into their homes, but that doesn’t fully treat the water and solve your hard water problem. If you are looking to lea more about hard water and if it’s in your home or not, Mr. Rooter Plumbing is here to answer all of your questions.

How Do I Know If I Have Hard Water in My Home?

Determining if your home has hard water isn’t hard at all. There are some minor things you can do to find out what kind of water you have in your home. Here’s what those signs are…

Our Customers Reviews

Larry R.

Howell Township, NJ

It was a late Saturday night. We had a super stubborn clog in some old galvanized pipes. Mr. Rooter send out Phil. Phil was great! He found the problem pretty quick. With determination and professionalism he final got it cleared out. I would recommend Mr. Rooter and Phil to anyone! He even cleaned up. We are so happy we choose Mr. Rooter!

Rose Bernard

Red Bank, NJ

We had a plumbing emergency and found Mr. Rooter while frantically searching for a 24-hour plumber. We feel like we hit a gold mine. Not only did we get a timely response. Everyone at Mr. Rooter was friendly, professional, competent and went above and beyond. Our plumber, Phil, was extremely helpful and gave us tips we could use moving firwars. Not to mention, the cost was extremely reasonable.

Joseph Chis

Hillsborough, NJ

Had sewer water backup in toilet and tub. Received callback as promised and arrived early. The tech determined we needed the main line to be cleared. He quickly located the opening and had us cleared in minutes. Very happy with the service. I was not prepared for the fee but it was an emergency.

Christopher Cox

Little Silver Township

Plumber, Phil, came out on short notice on a Saturday night and fixed our issue quickly, professionally and courteously. I contacted a different, well known plumbing company right before Mr. Rooter. The receptionist was rude and they didn’t call me back to say they couldn’t make it until after Phil left! The Mr. Rooter receptionist was very nice and they called me back quickly. I’m glad they did.

Debbie Dimitrion

Colts Neck, NJ

I just wanted to say James did a great job at my house. Excellent service, professional and very nice. Thank you so much for helping me with my plumbing problem. Did wonderful job.

Rachel Turunen

Jackson Township

I was very happy that I went with Mr. Rooter’s. The service was very quick and up front. Jessie James was very helpful answering my questions and replacing my hot water heater. He was pleasurable to do business with. If another problem arises in my home, I will be using this company again.

William Holden

Brick Township, NJ

A thorough, professional, pleasant experience. I had a back-up in the 50 year-old pipes of my new home. I called Mr. Rooter to have them locate the blockage, snake the line, and then use their video snake to get a visual of the integrity of the pipes. I’m glad that I called and will use them again for future needs.

LarJ MarJ

Oakhurst, NJ

You get what you pay for. Edwin Robles of Central NJ educated me as a 1st time homebuyer on why and what he was repairing, prevention, PROMPT,(on a sunday at that!) clean, knowledgeable, super professional but DOWN TO EARTH and at a REASONABLE PRICE! Sewer pipes unclogged and main water line fixed. I was no longer crying once job was thoroughly executed. After all $#@* $tinks but somebody has to do it and I HIGHLY recommend him and this company for a job well done. THANK YOU VERY MUCH!!

Margie Rafferty-Criscione

Ocean Township

Absolutely lovely office staff! I always knew when the repair person was coming. Lorenzo our repair guy was awesome, I really don't think there is anything he can't do. He looks young, but don't let that fool you! So happy all the repairs are behind us. We really just did a one-stop shopping and decided to have everything we've put off fixed because it was such a tremendous experience!

How to Know If My House Has Hard Water

We don’t want to freak you out and make you think hard water is your enemy. Believe it or not, hard water isn’t bad for you to ingest – you actually need some of the minerals in your water to maintain proper health. But, you want to be careful that the levels of minerals in your hard water aren’t too high.

Mr. Rooter Plumbing wants you to be aware of the different signs you may notice that let you know if you have hard water in your home. Keep reading to find out what those signs are.

  • White residue

The most common sign that you have hard water in your home is noticing a white, flakey substance on your faucets or showerheads. If you notice these things in your home, this most likely means that the mineral levels in your water are too high.

  • Water sprays from the showerhead

Are you noticing that you don’t have an even flow of water coming from your showerhead? If so, you have hard water in your home. Random spurts or sprays coming from a showerhead are a very clear sign that your water is hard and contains those minerals in it.

  • Soap lather

When you’re showing and trying to get your bar of soap to lather up, do you notice that isn’t really happening? That’s another telltale sign of hard water. The combination of the minerals in your water with your soap should be natural and easy, but hard water doesn’t mix well with soaps and other cleaning products.

  • Film on your surfaces

Don’t you hate when you spend hours cleaning the different surfaces of your home just to see a film over them when they dry down? That happens because your home has hard water. That film is the layer of soap you used – it won’t dissolve with hard water.

  • Different on skin and hair

The soap scum that comes with hard water will affect your hair and your skin. How so? The minerals in the water react differently to your hair products or body products, and they can potentially leave you with dry hair and itchy skin.

Are you looking for a trustworthy plumber to help you determine if your home has hard water? Did you just move into a home, and you are wondering if you have hard water? Not sure what kind of water you have in your home? Call Mr. Rooter Plumbing today to lea more!

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