Serving Chester County with Trusted Solutions

Downingtown, located in Chester County, is a vibrant community experiencing significant growth, with a mix of historic homes and new construction developments. As the area expands, ensuring the quality and safety of residential water supplies becomes increasingly important.

The Downingtown Municipal Water Authority (DMWA) sources water from Marsh Creek Lake, the East Branch of the Brandywine Creek, and a groundwater well. While the DMWA reports that the water meets all federal and state safety standards, residents have noted concerns about taste and odor, particularly during seasonal changes. (Downingtown Municipal Water Authority)

Additionally, the Environmental Working Group (EWG) has identified the presence of contaminants such as bromodichloromethane and chloroform in the local water supply, which exceed their health guidelines, although they remain within legal limits. (Environmental Working Group)

For homeowners relying on private wells, especially in the rural outskirts of Downingtown, regular testing is crucial. Potential contaminants include nitrates, bacteria, and naturally occurring minerals that can affect water quality and safety.

At Dierolf Plumbing and Water Treatment, we understand the unique water quality challenges faced by Downingtown residents. Our team is dedicated to providing tailored solutions, from advanced filtration systems to comprehensive plumbing services, ensuring your family’s water is safe and your home’s plumbing operates smoothly.

Why Downingtown Homeowners Choose Dierolf

With decades of experience serving Chester County, Dierolf Plumbing and Water Treatment has built a reputation for excellence. Our commitment to quality workmanship, transparent communication, and customer satisfaction sets us apart. Whether you’re addressing specific water quality concerns or undertaking a plumbing project, our team is here to provide reliable, professional service tailored to your needs.


Ready to Improve Your Water Quality?

Contact us today to schedule a consultation or to learn more about our services in Downingtown, PA.

Drinking Water Systems

Real Estate

Residential Plumbing

Reverse Osmosis

Ultrapure Alkaline Drinking Water

Water Heaters

Water Softeners

Water Treatment

Well Inspections

Well Systems

Well Tanks and Pumps

Sign up today and save

  • Our Softener Bundle can help you save up to $500 while protecting your appliances and plumbing.

    This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Not valid with any other coupon, offer, or discount. Restrictions may apply.

Get 5 Star Service Today!

Make Dierolf Plumbing and Water Treatment your first choice when looking for expert plumbing and water services.

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