Serving Southeastern PA

Dierolf Plumbing
& Water Treatment

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  • $100 Off

    $100 Off

    New customers get a FREE water test, including our In-House TC test for homes on wells, PLUS get $100 off the installation of a Water Treatment System!

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See what our southeastern PA customers are saying!

Jason Burnham
Jason Burnham

Bryan was very professional, courteous, and efficient. Great service, thank you!

Cyndy Ryan
Cyndy Ryan

Great job installing our new water filtration system! Installers were very communicative and efficient. Well done.

Anne Marie Baxter
Anne Marie Baxter

Very very helpful and nice people! Wow i thought companies that care were gone not so!!! Dierolf’s people care and i think it’s a real reflection of the owner and how he runs his company and actually cares!! Thank you for a super great job and for caring!!

Steve Kocik
Steve Kocik

Service was great and very efficient. The guys were very friendly and quickly replaced the pump without any issues. Thank you.

John Brunke
John Brunke

They did a great job installing a new toilet in my bathroom. They were neat, clean, and paid attention to detail. Chris answered all of my plumbing questions without hesitation. Very satisfied... Highly recommend

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We take pride in what we do

Water & Plumbing Services for you

We offer services from water treatment to plumbing. We will install water softeners, RO systems, acid neutralizers, and more! Contact us to learn more about how we can help you in southeastern Pennsylvania.

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Water Testing & Analysis

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Water Treatment

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Drinking Water Systems

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Residential Plumbing

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Water Heaters

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Well Systems

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Real Estate

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DEP Compliance

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Financing Options are now available

Dierolf provides financing options to our customers through partners. Click the link to see available options and apply for financing today!

Learn more about our financing options
  • Blue water droplet outline on teal background

    The Real Risk of Unregulated Contaminants in Montgomery County Water

    If you live in Montgomery County, your water likely meets federal standards. That does not mean it has been fully evaluated. In the past several years, Southeastern Pennsylvania homeowners have heard a lot about [...]

Articles & Resources

Learn from our expertise

  • Blue water droplet outline on teal background

    The Real Risk of Unregulated Contaminants in Montgomery County Water

    If you live in Montgomery County, your water likely meets federal standards. That does not mean it has been fully evaluated. In the past several years, Southeastern Pennsylvania homeowners have heard a lot about [...]

  • Boyertown Water Quality: What Homeowners Need to Know (10 Most Asked Questions Answered Clearly)

  • Technician is verifying if well water is safe at the kitchen tap, friends are drinking water in the background
    Technician is verifying if well water is safe at the kitchen tap, friends are drinking water in the background

    Is Your Well Water Making You Sick? What Pennsylvania Homeowners Need to Know

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