Culligan of Sioux City

You could give your people Culligan Water.

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Rated 4⁄ 5  
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Monday: 8:00 AM – 4:30 PMTuesday: 8:00 AM – 4:30 PMWednesday: 8:00 AM – 4:30 PMThursday: 8:00 AM – 4:30 PMFriday: 8:00 AM – 4:30 PMSaturday: ClosedSunday: Closed
Areas we serve:
Allen, Dakota City, Dakota Dunes, Emerson, Hinton, Homer, Hubbard, Jackson, Jefferson, McCook Lake, North Sioux City, Ponca, Sergeant Bluff, Sioux City, South Sioux City
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Your Sioux City Water Treatment Experts

We are Culligan of Sioux City, your water technology experts proudly serving western Iowa and eastern Nebraska. 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. 


Mark Coffey, owner of Sioux City Culligan is the third generation of his family to operate the Culligan franchise in the Sioux City area. The business being established in 1939 and is one of the earliest franchises in Culligan history.

Culligan founder Emmett J. Culligan was born in 1893 in Yankton, South Dakota. His family moved to Sioux City before the turn of the century. Emmett was an entrepreneur who introduced the world to soft water in 1921. Emmett Culligan began franchising his soft water business in 1936 in Northbrook, Illinois.

In 1938 John Coffey, Mark’s grandfather, was offered a position with the newly established water conditioning Culligan franchise in Sioux Falls, South Dakota, originally called Sioux City Soft Water Service, Inc. Emmett Culligan was very impressed with John Coffey’s talent in the water industry and offered him the franchise in the Sioux City area in 1939. Mildred Coffey, John’s wife, assumed position of CEO when John passed away in 1945. Mildred Coffey operated the business from 1945 until her death in 1960. During this time she built the franchise’s current building at 1111 West 21st Street in Sioux City, Iowa. Sons Jerry and John and daughter Katherine became the second generation of Culligan owners. Through the years the water conditioning business continued to grow with the introduction of automatic softeners, drinking water systems and salt and bottled water delivery programs. Culligan became not only a household name, but a leading force in commercial water treatment systems.]

One of 8 grandchildren Mark Coffey attended the University of Iowa. After graduation Mark returned to Sioux City to assist in the family water business. Mark has since purchased the business from family members and is the third generation of the Coffey family to own and operate this Culligan franchise.

With over 800 dealers in more than 90 countries the Coffey family is proud to have supplied the Sioux City area with quality water products and services for over 70 years. Culligan of Sioux City is dedicated to delivering superior water products and services that improve the lives of our residential and commercial customers.

Reviews for Culligan of Sioux City

Overall rating: 4⁄ 5

  • Natalia Toddy

    We have used Culligan as our home water supply for years. Fantastic service and always willing to accommodate our schedules for delivery. Worth every penny!

  • Jessica Coffey

    Family owned and operated since 1939! Proven quality and service!

  • Rev. George McFadden

    I have known Mark and his family forever. They are great friends and Culligan products are high quality. Highly recommended.

  • Jim O'Brien

    The owner, Mark Coffey, is a nice guy and a good Catholic. I was a neighbor of his when he was married to his 2nd wife. Also, Culligan has good products.

  • wierbear .

    Last night at 4:30am I heard my water softener running and realized it had been running straight for about 11 hours. I went online, found the Culligan website where it told me to unplug the unit and set it to bypass and to call for service. This morning, at 8:00am I spoke to a really nice lady, Deb, at Culligan. She arranged a technician to come between 1:00 and 3:30 the same afternoon. The technician, Jason, arrived a little after one and by 2:00pm he had everything fixed. He also took the time to answer my questions. He was very knowledgeable and friendly. I have no reservations recommending Culligan of Sioux City.

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