Your local water experts proudly offer
Industry-leading products
Unparalleled service & delivery
Repairs, regular maintenance and installation, as well as salt and water delivery to your home or office, on your schedule.
Water problem experts
Professional water testing
Free water testing with results in just 30 minutes, with advanced testing from our EPA-certified lab available.
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View or pay your billAddress & hours
2215 W Lincoln Hwy, Merrillville, IN 46410, USMonday 9:30 AM – 5:00 PM
Tuesday 9:30 AM – 5:00 PM
Wednesday 9:30 AM – 5:00 PM
Thursday 9:30 AM – 5:00 PM
Friday 9:30 AM – 5:00 PM
Saturday 9:00 AM – 2:00 PM
Sunday Closed
Areas served
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
Common water problems in Merrillville
Contaminant problems
Some of the most dangerous water contaminants have no taste, smell or appearance. Contaminants can enter your water via private wells, miles of underground utility pipes or even the local municipal water source. Learn more about water contaminants.
Common contaminants include:
- Arsenic
- Turbidity
- Lead
- Nitrates
- Radon
Hard water problems
Hard water results from high levels of calcium and magnesium in water. Hard water minerals stick to everything water touches, and do more than leave an unsightly residue - they can actually harm your home and cost you money. Learn more about hard water.
Common hard water problems include:
- Stains and buildup on sinks, shower heads, and dishes
- Dry skin and hair
- Costly long-term damage to water appliances
Smelly water problems
Before your water enters your home, it can pick up smelly contaminants - from the soil around private wells, miles of underground utility pipes or even the local municipal water source itself. You may not be able to see these contaminants, but as soon as you turn on the tap or lift a glass to your face, something is obviously not right. Learn more about smelly water.
Common water odor problems include:
- A "rotten-egg" odor due to hydrogen sulfide in the soil near your well
- A musty, woody smell due to organic contaminants like algae or total dissolved solids (TDS)
- A "bleachy" smell due to chlorine added in by municipalities
- A soapy or chemical smell due to contaminated private wells
Culligan of Merrillville history
When you choose Culligan of Merrillville for your water needs, you're choosing an industry leader with top-rated water treatment equipment, advanced technology and a 100% satisfaction guarantee.
For over 65 years, Culligan of Merrillville's team of local water experts has been committed to providing the best service available. Culligan has seen every local water problem imaginable and is dedicated to solving your unique issues to deliver better water at every tap.
Notes from a few happy customers
“To Culligan, Shane and Andy were out at my house and changed my filters and then changed my inside pipes, for my big boy filter system. They both were fantastic and timely and very clean in my house, they did a great job, they are very great workers!!! You are very lucky to have them working for you."
- Thanks, Eileen and Ray
- Thanks, Eileen and Ray
“I’d just like to say thank you to Shane and Tyler they put in our water system, they were so excellent in explaining everything about the water, what to expect, what to do if we encountered a problem, and how everything works. Finally they assured us that they’re only a phone call away. I’m so excited about the new system, we couldn’t drink or cook with our other water, and our pots and dishes came out stained and smelly. I am so looking forward to the change.”
- From Marilyn May
- From Marilyn May
The Culligan of Merrillville difference
Rated 4.8 / 5 out of 287 reviews
Culligan Water of Merrillville has been amazing! Their water treatment products (water softener & reverse osmosis) have completely transformed the quality of our water — cleaner, better tasting, and more reliable. The customer service is top-tier, and their team is always helpful, friendly, and responsive. Highly recommend to anyone looking for qua...
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John Pittman
06/13/2025
Recently had an install on our Culligan reverse osmosis. We highly recommend talking to Joe. He took the time to figure out our wants and needs for treating our drinking/cooking water. Provided a fair competitive price, not pushy either which we appreciated. Another great feature is no drilling holes into our countertop! Love the culligan button op...
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Lisa Conn
06/11/2025
Just had a recent install of our Culligan system and we absolutely love it! Joe at Culligan was very professional on recommending us the right system for our new home! Great team and customer service all the way!
Brittany Bowen
06/08/2025
Don't miss out on local deals
Special offer
FREE Basic Water Test*
Learn more about the quality of your water with a FREE basic water test from Culligan.
*Limited time offer. Dealer participation varies. See dealer for details. Contaminants may not be in your water.
Special offer
$9.95 Rental Offer*
Rent a Culligan Water System for just $9.95/month for the first three months!
*Limited time offer. Dealer participation varies. See dealer for details. Contaminants may not be in your water.
We're hiring in Merrillville
We currently have open positions at your local Culligan location
Join the team
Frequently asked questions
For more than 85 years, Culligan of Merrillville has been your trusted local water expert. We specialize in water softeners, whole home water filters, RO drinking water systems, bottleless coolers and bottled water coolers for your home or business. Culligan of Merrillville's industry-leading products feature advanced technology and are backed by a 100% customer satisfaction guarantee. Get better water from every tap.
Culligan of Merrillville provides high-quality water treatment solutions, bottled water and salt delivery, and professional, efficient service to the following cities: Cedar Lake, Crown Point, Dyer, East Chicago, Gary, Griffith, Hammond, Hebron, Highland, Hobart, Lake Station, Leroy, Lowell, Merrillville, Munster, Saint John, Schererville, Schneider, Shelby and Whiting. Make Culligan of Merrillville your trusted source for cleaner, safer water.
Culligan of Merrillville provides customized water solutions for your home or business’s biggest water worries, like hard water, high iron water, acid water, bad tasting water and smelly water. They can also address dangerous water contaminants often found around Culligan of Merrillville, such as chloroform, chromium and nitrates at levels that exceed guidelines set by the Environmental Working Group.
Contact Culligan of Merrillville if you want to talk about water softeners, whole home water filters, RO drinking water systems, bottleless coolers or bottled water coolers, or to sign up for a free basic water test to find out what contaminants may be lurking in your water.
Contact Culligan of Merrillville if you want to talk about water softeners, whole home water filters, RO drinking water systems, bottleless coolers or bottled water coolers, or to sign up for a free basic water test to find out what contaminants may be lurking in your water.
Hard water can wreak havoc on just about everything it touches. It leaves behind mineral deposits on your plumbing fixtures and pipes. It causes dry hair, itchy skin, dull laundry, spotty dishes and decreased appliance efficiency.
Water hardness is typically measured in grains of hardness per gallon, or GPG. The area around Culligan of Merrillville is considered hard at over 8 grains per gallon.
Fortunately, Culligan of Merrillville’s industry-leading water softening and filtration solutions can help. Contact your local Culligan water expert today for a free basic water test!
Water hardness is typically measured in grains of hardness per gallon, or GPG. The area around Culligan of Merrillville is considered hard at over 8 grains per gallon.
Fortunately, Culligan of Merrillville’s industry-leading water softening and filtration solutions can help. Contact your local Culligan water expert today for a free basic water test!
As a current Culligan of Merrillville customer, you can pay your bill online using our Online Bill Pay.
Everyone deserves high-quality water for their home or office, which is why Culligan of Merrillville regularly offers specials and discounts on products and services. Be sure to check out these limited-time offers.
Culligan of Merrillville makes cleaner, better water affordable for everyone with options to buy, rent or finance your water treatment equipment. Contact your local water expert for more information.
Culligan of Merrillville makes cleaner, better water affordable for everyone with options to buy, rent or finance your water treatment equipment. Contact your local water expert for more information.
Yes! Visit Culligan of Merrillville’s contact page to request a service appointment, receive a quote on any of our water softening, water filtration or drinking water products or inquire about bottled water or softener salt delivery.