What our clients say

Don't take our word for it


What some recent clients say about their experience with Dierolf Plumbing and Water Treatment LLC

We might be biased. Take it from our clients.

"I am in the Real Estate business 31 years and have used many water testing and treatment companies but since using Dierolf I have no reason to use any other company. they are always responsive, efficient, customer oriented and honest." 

Stan Rothenberger


"Very honest, very knowledgeable! I recommend them to all of my clients because of Mark's integrity and quick turn around time. He won't try to sell you anything you don't need, but if you need anything, he will help you to make the best choice for your circumstances!" 

Susan Welsh


"We just used these guys for the first time and it's a breath of fresh air to have such honest, polite and professional people to rely on. From the first phone call with initial questions to the techs that came to do the work at our home- it was an all around pleasant experience. Thank you!" 

Andrea Kelpac

Technical Director, Business Associates LLC

"You want an honest experience when having house repairs, and that is what you will get with Mark! I’m happy to see a business that cares about their customers and making true to there work. Thanks guys! I would highly recommend their business." 

Ashlee Crump

"Always helpful, responsive, and very professional, we have had nothing but great experiences!" 

Amy Galaska

" We are very pleased with what a great job your guys did installing our water system.

They were courteous, quick, efficient and left things neat and clean.  They also explained everything easily and answered all questions I had."

Marci Fry

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