Serving Southeastern PA

Dierolf Plumbing
& Water Treatment

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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.

Water Testing & Analysis

Water Treatment

Drinking Water Systems

Residential Plumbing

Water Heaters

Well Systems

Real Estate

DEP Compliance

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

  • PFAS Regulations Rolled Back: What This Means for Your Drinking Water

    PFAS Regulations Rolled Back: What This Means for Your Drinking Water 🚨 What Just Happened? In a stunning policy reversal, the EPA has announced it’s rolling back critical regulations on per- and polyfluoroalkyl substances [...]

Articles & Resources

Learn from our expertise

  • PFAS Regulations Rolled Back: What This Means for Your Drinking Water

    PFAS Regulations Rolled Back: What This Means for Your Drinking Water 🚨 What Just Happened? In a stunning policy reversal, the EPA has announced it’s rolling back critical regulations on per- and polyfluoroalkyl substances [...]

  • PFAS Regulations Rolled Back: What This Means for Your Drinking Water

  • Salt-Based Water Softeners vs. Salt-Free Water Descalers: Which Is Right for Your Pennsylvania Home?

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Contact Dierolf Plumbing & Water Treatment