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!

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  • Blue water droplet outline on teal background

    Royersford Water Quality Guide: The Real Questions Consumers Ask and the Honest Answers

    Royersford's public water comes from a blended supply operated by Pennsylvania American Water. The system relies primarily on the Schuylkill River, with additional groundwater from wells in East Vincent Township and Upper Providence Township, plus [...]

Articles & Resources

Learn from our expertise

  • Blue water droplet outline on teal background

    Royersford Water Quality Guide: The Real Questions Consumers Ask and the Honest Answers

    Royersford's public water comes from a blended supply operated by Pennsylvania American Water. The system relies primarily on the Schuylkill River, with additional groundwater from wells in East Vincent Township and Upper Providence Township, plus [...]

  • An older woman with curly white hair, wearing a beige knit sweater and a patterned blue button-down shirt, stands in a bright, modern kitchen. She is smiling and looking down while filling a clear glass with water from a curved, brushed-silver faucet at a stainless steel sink. The setting is warm with natural sunlight streaming in from a large, open casement window. In the foreground, a knitted dishcloth is on the countertop next to the woman's hand, which is resting near the sink basin. On the windowsill, there is a potted green basil plant. To the left of the sink, a bar of soap rests on a ceramic dish. Light gray shaker-style cabinets with simple hardware are visible on either side of the window, along with white quartz countertops. Through the open window, there is a clear view of a lush outdoor garden with blooming hydrangeas and a brick patio. The overall atmosphere is peaceful and homely.
    An older woman with curly white hair, wearing a beige knit sweater and a patterned blue button-down shirt, stands in a bright, modern kitchen. She is smiling and looking down while filling a clear glass with water from a curved, brushed-silver faucet at a stainless steel sink. The setting is warm with natural sunlight streaming in from a large, open casement window. In the foreground, a knitted dishcloth is on the countertop next to the woman's hand, which is resting near the sink basin. On the windowsill, there is a potted green basil plant. To the left of the sink, a bar of soap rests on a ceramic dish. Light gray shaker-style cabinets with simple hardware are visible on either side of the window, along with white quartz countertops. Through the open window, there is a clear view of a lush outdoor garden with blooming hydrangeas and a brick patio. The overall atmosphere is peaceful and homely.

    Are Water Filtration Systems Important for Immunocompromised Individuals?

  • map of New Hope Pennsylvania
    map of New Hope Pennsylvania

    New Hope PA Water Quality Guide: What Homeowners Should Actually Know

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