OUR VISION

improve the lives of everyone entrusted to our care

We strive to provide our clients, vendors, and employees in the Gilbertsville, PA and southeastern PA region the peace of mind knowing that they are being cared for as a member of our family. We work to give them the most excellent and consistent service that they have ever experienced. We accomplish this by hiring and partnering with people of great integrity and a passion to serve others.

OUR MISSION

provide the most exceptional service experience ever!

Our mission at Dierolf Plumbing and Water treatment is to be the go-to expert for plumbing and water treatment services and solutions in the southeastern Pennsylvania area by constantly striving to improve the lives of everyone entrusted to our care. We will do this by providing honest and dependable care for all our clients in the most efficient and cost-effective manner possible and to deliver that service with a relentless pursuit of excellence!

Integrity

Be truthful and respectful.

Ambition

Be thorough, do the job right the first time, consistently.

Understanding

No gossip. No sacred cows. Always be clear about “Why.”

Selflessness

Provide or create an experience and not just a product. Be the guide to help the customer win.

Accountability

Do all things with excellence. Strive to be better every day.

MEET THE DIEROLF TEAM

a family-oriented company

Dierolf Plumbing and Water Treatment is a full-service water treatment and plumbing company that services the tri-state area. We specialize in analyzing, diagnosing and treating drinking water. We also provide a full range of plumbing services for residential and commercial properties.

It is our goal to provide our clients, vendors, and employees the peace of mind knowing that they are being cared for as a member of our family. We always strive to give them the most excellent and consistent service that they have ever experienced. We accomplish this by hiring and partnering with people of great integrity and a passion to serve others.

Team photo of Mark

Mark Dierolf

President
  • Matt W – Vice President

  • Matt D – Water Treatment Operations Director

  • Matt G – Sales Director

  • Marissa B – Executive Assistant

  • Zach D – Director of Operations

  • Alyssa E – Office Director

  • Brenda D – Health Insurance Administrator

  • John M – Marketing Professional

  • Lydia J – Administrative Assistant

  • Kelly T – Receptionist & Customer Service

  • Steve F – DEP Certified Operator

  • Miranda D – DEP Specialist

  • Lukasz N – Plumber

  • Ernie H – Plumber

  • Jon K – Lead Installer

  • Justin B – Lead Installer

  • Ed O – Lead Service Technician

  • David G –Installation Apprentice

Get Diagnosed By A

water expert today