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Water Treatment Services in Scottsdale and Phoenix, AZ

Water Treatment Solutions in Scottsdale & Phoenix, AZ

Installing a home water treatment system allows you to filter and purify tap water and remove harmful contaminants like sediment, chemicals, and bacteria. There are a few different types of water treatment solutions for homes, and it’s important to work with an experienced service contractor to explore your options. At Allegiance Water Services, we can evaluate your plumbing system, test the quality of your water, assess your household’s needs, and help you choose the right home water treatment services in Scottsdale, AZ; Phoenix, AZ; or the surrounding areas. Call us now to schedule a consultation and learn more about your options.

When Do You Need Water Treatment Solutions for Your Home?

Let’s face it: the valley’s water supply leaves much to be desired. Almost all homes have water that is extremely hard, smells funny, looks cloudy, or tastes bad. Poor water quality can be a sign of a plumbing problem or your water may be contaminated from the source. Hard water can damage appliances like your dishwasher, washing machine, and water heater, causing them to need frequent repairs or replacement before their time. Poor-quality water can also cause skin problems, allergies, damage to your hair, and other problems. Here are some of the signs you should consider water treatment solutions for your home:

  • Spotty dishes after hand washing or using the dishwasher
  • Soap scum around faucets and drains
  • A buildup of sediment or scale on water appliances, faucets, or drains
  • A metallic taste to your water
  • A strange odor from your water
  • Cloudy, discolored, or rusty-looking water
  • Water that has sediment or dirt in it
  • Poor test results from a water quality test
  • A notice from the city that your water is contaminated
  • Stains or discoloration in sinks, showers, bathtubs, or toilets
  • Fluctuating or low water pressure
  • An oily film on water
  • Blue or green stains on water faucets or around drains
  • Skin problems like dry skin, itchy or flaky skin, rashes, or allergies

Benefits of Home Water Treatment Services

Installing a home water treatment system can improve the quality, taste, health, and safety of your home’s water supply. Here is a look at the biggest benefits for your home:

  • Enjoy cleaner, safer, and healthier water
  • Drink water that tastes better
  • Enjoy an alternative to using water filter pitchers or buying bottled water
  • Prevent water stains on plumbing appliances
  • Prevent stains and damage to clothing and dishes
  • Remove harmful contaminants and sediment from your water supply
  • Improve the health and appearance of your skin and hair
  • Reduce allergies caused by contaminated or poor-quality water
  • Extend the lifespan of your water plumbing appliances
  • Get rid of hard water issues like soap scum buildup

Choosing the Right Water Treatment Systems

Water is an important part of our lives, and the higher the quality of our water, the healthier we are. When you partner with us for home water filtration systems, you can remain confident that you will get a system assembled in Arizona and specifically made for Arizona water. We do not use one-size-fits-all units that are distributed nationally. We will visit your home, inspect your plumbing, test your water quality, and discuss your priorities so that we can offer you the best water treatment solutions for your needs:

  • Water Softeners – A water softener removes calcium and magnesium minerals from hard water. It uses a process called ion exchange to make your home’s water supply softer and less likely to cause mineral buildup on appliances and surfaces. It also improves water quality so that your hair and skin will be softer and healthier, your clothes will be cleaner and softer, and your dishes will be cleaner.
  • Reverse Osmosis for Purified Drinking Water – A reverse osmosis system filters out, on average, 98.8% of the impurities at only a fraction of the cost of bottled water while providing the same, if not better, water quality.
  • Whole House Water Filtration – Whole house water filtration systems are the best way to remove organic and inorganic materials such as chlorine and sediment from your water before it enters your home.
  • Alkaline Water Systems for pH Balanced Water – An alkaline water filter can be installed on each faucet in your home. It softens your home’s water supply by filtering out excess minerals. It also filters out chemicals, dust, metals, and other contaminants so that water is healthier and cleaner.
  • Instant Hot Water Dispensers – An instant hot water dispenser is an appliance or a combination of a dedicated hot water line and tap that dispenses water at around 200 degrees Fahrenheit. It is primarily used for hot beverages.
  • Under-Sink Chillers – An under-sink chiller is a water tank and dispenser system that chills filtered water and dispenses it from a dedicated tap. It can cool water to 40 degrees Fahrenheit.

Our Other Services

In addition to water treatment services, we also offer other residential services throughout the Phoenix and Scottsdale areas. Call us now to make an appointment for:

Frequently Asked Questions

Allegiance Water Services offers trusted water treatment services for homeowners in Phoenix, Scottsdale, and the surrounding area. Our team focuses on clear testing, practical recommendations, and eco-conscious options so you feel confident about every drop your family uses.

How Do I Know If I Need a Water Treatment System?

Changes in how your water looks, tastes, or feels often signal it needs extra treatment. Paying attention to small shifts helps you act before they affect your plumbing:

  • Visible Staining – Spots on dishes, soap scum around fixtures, or stains in sinks, tubs, or toilets suggest hard water or mineral buildup at home.
  • Unusual Taste or Smell – Metallic, bitter, or chlorine-like flavors and strange odors often point to dissolved minerals or other contaminants.
  • Cloudy or Discolored Water – Water that looks cloudy, rusty, or has visible sediment can indicate issues in your plumbing or at the source.

Water Filtration & Water Softening: What’s the Difference?

Water filtration removes impurities such as sediment, chlorine, and some chemicals from water. Water softening targets hardness minerals like calcium and magnesium that cause scale on pipes and appliances. Filtration focuses on overall quality and taste, while softening focuses on preventing buildup and hard water problems in your home.

What Are the Benefits of Installing a Water Treatment System?

A home water treatment system supports healthier water, better comfort, and longer-lasting plumbing. It reduces waste from bottled water and supports eco-friendly habits, and offers advantages like:

  • Improved Taste and Clarity – Filters and softeners help water look clearer and taste cleaner, which makes it more enjoyable to drink.
  • Healthier Skin and Hair – Softer, cleaner water is gentler on your skin and hair and may reduce dryness or irritation.
  • Protected Appliances and Fixtures – Reducing hardness and sediment helps limit scale buildup and stains, which extends the life of plumbing and appliances.

Can Water Treatment Systems Remove Harmful Contaminants?

Many systems can reduce or remove contaminants such as sediment, chlorine, certain metals, and some chemicals. The exact results depend on the technology and filter type. A professional water test helps match your concerns with the right solution so you can address specific issues in your home’s supply, whether that means more advanced filtration or even a reverse osmosis system.

How Often Does a Water Treatment System Need Maintenance?

Maintenance needs depend on system type and water quality. Many filters need replacement every few months to a year, while softeners require regular salt checks and occasional service. Following the manufacturer’s schedule and adding periodic professional visits keeps your system effective and efficient.

What Is Hard Water, and Why Is it a Problem?

Hard water typically contains higher levels of minerals like calcium and magnesium. These minerals leave deposits on fixtures, inside pipes, and in appliances. Over time, buildup can stain surfaces, reduce efficiency, and shorten equipment life. Hard water also affects soap lather, leaving your skin and hair feeling unpleasant and dirty.

Is a Whole-House Water Filtration System Worth It?

A whole-house system treats water as it enters your home, so every tap benefits from better quality. Many homeowners find this worthwhile for several reasons:

  • Consistent Water Quality – Every faucet, shower, and appliance receives filtered water, which improves daily use throughout the home.
  • Convenient Protection – Treating water at the entry point helps reduce sediment and chlorine before they reach plumbing and fixtures.
  • Long-Term Savings – Better water quality can reduce wear on appliances, lower cleaning time, and cut down on bottled water costs over time.

How Long Does It Take to Install a Water Treatment System?

Most residential installations take a few hours, depending on system type and layout. Simpler under-sink filters install faster than whole-house solutions. During a visit, the installer connects the equipment, checks for proper operation, and reviews basic care steps so you know how to use the system.

How to Choose the Right Water Treatment System for My Home?

The best system depends on your water test results, household size, and daily habits. It helps to decide whether you want to treat all water or focus on drinking and cooking. A licensed water treatment specialist can review options and design a system that fits your goals. Call us today to schedule a home evaluation.

Make an Appointment for Water Treatment Solutions

At Allegiance Water Services, we are proud to be your trusted experts in all aspects of water treatment for your home. Whether you are suffering from the effects of hard water, desire better-tasting drinking water, or want to remove harmful contaminants, we have a quality solution for you. Call us now or contact us today to make an appointment to get answers to any of your water softener, reverse osmosis, or water filtration questions. We can help you find the right home water treatment solution in Phoenix, AZ; Scottsdale, AZ; and surrounding areas.

Check Out Our Customer Reviews

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5.0
Based on 415 Reviews
Karen Bramer
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Karen Bramer
October 6, 2022
Traci P.
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Traci P.
November 29, 2023

We had a leak in our drip system. Johnny was awesome. He took the time and explained what the problem was and how to get it fixed. He didn't have the part...

Michael Clarke
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Michael Clarke
October 25, 2023

Allegiance is fantastic. Lawson in particular is a total professional. Super knowledgeable, trustworthy, and efficient. Diagnosed our crazy irrigation issues and came up with a cost effective solution.

Andrew Kinch
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Andrew Kinch
November 10, 2022

I have used Allegiance for years now and every time I'm still amazed at how courteous and professional they are. Every year I have my R.O. filter changed and my soft water big blue filter changed. They also perform my mist services for the backyard with shutdown for the winter and startup in the spring. 100% recommend them!

Laura Pascal
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Laura Pascal
November 30, 2020

Annual service on RO water system. Rommel was friendly, fast and professional.

Nancy Pearce
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Nancy Pearce
October 13, 2023

We have used Allegiance Water Services for several years now, and we have not been disappointed. Very professional, quality work, friendly, reliable.

Pat Matthias
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Pat Matthias
September 22, 2022

Allegiance Water Services sent a repair man to fix a broken sprinkler head.. He was courteous, pleasant and well informed. He fixed the head and checked to be sure the whole system was working again correctly. I appreciated his service. Thank you

Jason Goudie
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Jason Goudie
October 4, 2022
Marc Conrad
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Marc Conrad
December 30, 2022

Excellent service. Rommel was very professional. I will call on them again. Marc C.

George Bullis
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George Bullis
June 29, 2022
Charles Fratantoni
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Charles Fratantoni
December 6, 2023

Friendly, knowledgeable and efficient.

Erin Garton
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Erin Garton
September 6, 2023

I’ve used this company for multiple services! And they are great at everything they do. They are super responsive to all of my needs and are always on time. I will never use any other company!

Ken Forston
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Ken Forston
January 11, 2022

Had a hot water heater replaced today; Lawson did a fantastic job. The workmanship is very professional. Lawson was on time and did exactly what he said he was going to do.

Hengameh Hajisafartehrani
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Hengameh Hajisafartehrani
June 10, 2023

After 5 years we had water softener , we found out we use soft water for our pool and watering the plants in our back yard , so I called this company they responded fast and the next day they sent their technician Ruben . After we agreed on his estimate , he came the next day. He did awesome job on separating our soft water. Ruben was knowledgeable, fast and reliable. I am so happy with his work and recommend him and this company to everyone.

Janie R.
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Janie R.
November 29, 2023

I was in a panic when my sprinklers started making loud noises at 5:30am. I called Allegiance water and was able to get a service rep out the next day. They...

Julie Shinn
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Julie Shinn
November 12, 2022

Allegiance’s technician Eloy Garcia arrived promptly, explained and showed me the issue with my water softener and also he noted some water in tray beneath the water heater that I had even noticed. He fixed the motor on softener and then removed and replaced my water heater as he noted it was still under manufacturer’s warranty! I am so please with his prompt, thorough and efficient service. I highly recommend him and Allegiance Eater Services!

D Weaver
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D Weaver
December 18, 2023

The service tech was pleasant, courteous and knowledgeable. He tracked down the problem and eliminated it as quickly as possible, as he was aware that what his time cost us in getting the job done.

robyn stiefeld
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robyn stiefeld
June 21, 2022
Nikolas Tavlarios
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Nikolas Tavlarios
September 15, 2023

Excellent communication. Reliable.

Rhonda Else
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Rhonda Else
December 27, 2023

Excellent service and water quality!!

D M
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D M
July 21, 2022

I have used Allegiance Water since 2018. The company and service is outstanding. John Gonzales was our repair person for this call. He changed our RO water filters, installed a leak detector for the RO, and repaired our water shut off valve. He was GREAT!!! He is very knowledgeable and dependable. I highly recommend Allegiance and their team. Thanks

Kristaps Swenson
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Kristaps Swenson
October 24, 2023

Arrived on time , perfectly described a job he'd be doing and provided excellent service , would recommend him to all of my neighbors, did a great job fixing my water heater leak

Rob Roberson
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Rob Roberson
April 20, 2022
akash shetty
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akash shetty
January 3, 2024
Mark McLaren
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Mark McLaren
September 16, 2021
Bosheng Yang
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Bosheng Yang
November 9, 2023

I had an exceptional experience with Allegiance today. My old gas water heater needs to be replaced. I called Allegiance yesterday and discussed with David who is very knowledgeable, transparent and told me pros and cons among the different water heaters. I decided to go with 50 gallon Bradford White water heater. Ruben came in next day and clearly explained to me what is the process. He is excellent, very skillful and told me how to maintain it. He cleaned everything afterwards. I am very happy with their services and will call Allegiance for my plumbing issues for sure. Ruben from Allegiance Water Services did an excellent job again today. I had water hammer issue for a couple of months and my pipes coming out the main pipe weren't connected right by a previous plumber. The irrigation system controller needs to be replaced as well And it is now upgraded to an enabling phone control unit. Ruben did an excellent job on replacing the unit and repiping everything. It only took him an hour and they work great! Ruben is very experienced, knowledgeable and efficient. It wouldn't go wrong for Ruben to do your plumbing jobs.

Ginger Prost
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Ginger Prost
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April 3, 2018

Great company. We would highly recommend them. Courteous, professional, fast response time. Very reasonable rates. This is the third time we have used their services and have been very happy every time.

Michael Oster
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Michael Oster
July 26, 2022

Josh and the office and service tech Rommel were excellent in every way! Professional, knowledgable service of issues with my water softener.

Jeri Dentz
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Jeri Dentz
May 13, 2021

Allegiance has been great. Eloy was perfect. I recommend this company highly and will certainly continue to use them in the future.

Yong Choi
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Yong Choi
September 7, 2023

Lawson with Allegiance Water has done work for us the last few times and he’s very polite and professional and has done great work for us!

Mike B
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Mike B
June 7, 2022

Fixed my backyard sprinklers without having to put a whole new system in.

K N
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K N
July 21, 2022

I had Eloy come by to repair a water softener system that had failed, as well as replace the filter in the RO system. He was courteous, knowledgeable, responsive, timely, and really knew his stuff.

John Black
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John Black
May 4, 2021
Zacory Boatright
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Zacory Boatright
June 6, 2022
Jack Coakley
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Jack Coakley
August 9, 2022

Paul and Allegiance are the best!

Mitch Varbiro
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Mitch Varbiro
November 9, 2023
Greg Kreizenbeck
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Greg Kreizenbeck
October 12, 2023

Paul is all of the above plus irrigation systems technologically advanced.

Jim Sultan
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Jim Sultan
July 15, 2020

I had made an appointment for Thursday, but was pleasantly surprised to receive a call on Wednesday that Eloy could come out a day early. They serviced my RO water system and soft water system. They exhibited excellent attention to detail and worked in a professional manner. When finished they cleared explained what we needed to to do move for the coming year. I will certainly use them again for annual inspections and servicing.

BobCat Studios
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BobCat Studios
October 12, 2023

Ruben and Juan were the best! Great attention to details, all zones were color coded, and helped us with the use of the Rain Bird app. We couldn’t be happier with the great work!

Chris Erickson
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Chris Erickson
December 22, 2023

Fast and reasonable.

Joe Leonhart
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Joe Leonhart
September 9, 2022

Extremely impressed and satisfied with professionalism and service. A real person always available by phone unlike several competitors I tried to reach. Eloy the tech was the best in all respects.

M.G.
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M.G.
July 12, 2022

Fast, reliable. Polite repair people. Fair price.

Madhu Patel
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Madhu Patel
June 9, 2022

Excellent service

Allison Camas
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Allison Camas
March 30, 2023
Derrick Wright
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Derrick Wright
September 16, 2022
Doug Reynolds
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Doug Reynolds
January 13, 2023

David was terrific to work with to get my endless questions answered and align on the right water softener system. Lawson, who installed the water softener was outstanding. He explained service and care issues and did a very professional install. The whole team takes their customers satisfaction seriously. I'll be back for future plumbing needs!

Chandrahas Patel, MD
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Chandrahas Patel, MD
April 18, 2023
Tamara Naef
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Tamara Naef
August 31, 2022

Would highly recommend. Lawson was very professional.

Laura S
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Laura S
October 20, 2022

Lawson installed a reverse osmosis system at our new home today. While he was here, he also helped answer (many!) other questions and helped inspect the home’s irrigation system for me. He was thorough, professional, friendly, and patient. Thanks so much Lawson and Allegiance!

june grace Kassel
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june grace Kassel
June 22, 2021

Lawson was punctual, polite, clean and knowledgeable. He serviced the RO system. Recommended an alarm to detect a leak. Will think about it.

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