Culligan of Merrillville

You could give your people Culligan Water.

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Rated 4.9⁄ 5  
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Monday: 9:00 AM – 5:00 PMTuesday: 9:00 AM – 5:00 PMWednesday: 9:00 AM – 5:00 PMThursday: 9:00 AM – 5:00 PMFriday: 9:00 AM – 5:00 PMSaturday: 9:00 AM – 5:00 PMSunday: Closed
Areas we serve:
Cedar Lake, Crown Point, Dyer, East Chicago, Gary, Griffith, Hammond, Hebron, Highland, Hobart, Lake Station, Leroy, Lowell, Merrillville, Munster, Saint John, Schererville, Schneider, Shelby, Whiting
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Your Merrillville Water Treatment Experts

We are Culligan of Merrillville, your water technology experts proudly serving east central Lake County. Our dealership specializes in providing water softeners, reverse osmosis systems, water coolers, bottled water, water filtering and softener salt delivery service to area homes and businesses. 


For 65 years, Culligan of Merrillville's mission has been to deliver high-quality water treatment products that will benefit every part of our customers' lives. We hope to raise the quality of life by purifying its most essential element: water.

We've seen about every water problem imaginable and we've solved these problems to deliver the refreshing, clean and pure water that's become our hallmark. Water treated with Culligan softeners or filtration systems will make an impression on you and your household or work.

Culligan of Merrillville is a full-service water treatment company that serves the Merrillville, Saint John, Dyer, Lowell, Crown Point and Cedar Lake area. We offer quality products and expert service, and are involved in every phase of diagnosis and treatment as we improve the quality of water at your home or office. Loyal customers and skilled, hard-working and motivated employees are always the keys to any successful business. As our loyal customers have increased substantially, our staff has also grown. We are thankful to you, our customers, for our growth. We will continue to show you our gratitude to you by holding firm in our strong commitment—by always providing you with the best value, exceptional quality and unparalleled customer service that you expect from us.

Reviews for Culligan of Merrillville and St. John

Overall rating: 4.9⁄ 5

  • Amber Tawlks

    The employees at the merrillville location go above and beyond. I go in to pay my bills just to chat! Wouldn't use any other softener company. Very reasonable very professional.

  • Brian McDonough

    Great service! Installer replaced rusted plumbing hardware from our old water softener system. A quality product. We also have them deliver salt. Driver always arrives as scheduled. Price is right and it sure beats lugging bags into the basement myself!

  • Matthew Kovacs

    Culligan is the best! Their prices are competitive and their service is second to none! Dan is friendly and straightforward. When I went in, I expected a whole speech on the biggest and the best reverse osmosis and water softener they offer. However, it was the opposite. He asked about how many family members I had and assessed my needs. Only after I asked him about the twin tank system, did he give me an option to purchase that. Dan is very knowledgeable! He explains things succinctly and clearly. And they offer 12 month 0% financing! Such a great company to work with. Thanks to Dan and the Culligan team!

  • Troy S

    I have hard water at my home, and have purchased two water softener units from Dan and his staff throughout the years. We have never had a problem with the taste or quality of our water. I highly recommend their services. Very professional!

  • Linda Connolly

    The products work in the people are very friendly and do what they say they will do.

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