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

    Boyertown Landfill PFAS Contamination: What Montgomery County Homeowners Need to Know in 2025

    The Boyertown and Douglass Township area is a close-knit community where many families still rely on private wells. Clean water is part of daily life here and for people who grew up in this [...]

Articles & Resources

Learn from our expertise

  • Blue water droplet outline on teal background

    Boyertown Landfill PFAS Contamination: What Montgomery County Homeowners Need to Know in 2025

    The Boyertown and Douglass Township area is a close-knit community where many families still rely on private wells. Clean water is part of daily life here and for people who grew up in this [...]

  • A high-end home coffee brewing station featuring a Chemex, gooseneck kettle, and grinder, with a digital TDS meter being used to test water quality in the foreground.
    A high-end home coffee brewing station featuring a Chemex, gooseneck kettle, and grinder, with a digital TDS meter being used to test water quality in the foreground.

    How Water Quality in Philadelphia and Its Surrounding Suburbs Impacts Your Coffee and Tea Experience

  • Why We Don’t Install Customer-Supplied Water Equipment in Southeastern PA

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