Located in northwestern Montgomery County, Hatfield is a welcoming suburban community with a mix of established neighborhoods and new development. While most residents receive public water through the North Penn Water Authority (NPWA), a significant number also rely on private wells—both of which come with water quality challenges worth addressing.
One of the most common issues for Hatfield homeowners is hard water, with public supply levels typically measuring between 7 and 10 grains per gallon (GPG). That’s considered “hard” to “very hard” water, and it can lead to scale buildup in pipes, cloudy dishes, dry skin, and premature wear on water-using appliances. Even if the water is safe to drink, the long-term effects of hardness on your plumbing system and budget can’t be ignored.
Adding to the concern, the region has seen rising awareness around PFAS (so-called “forever chemicals”)—prompting the NPWA to implement system-wide hydrant flushing and inspection protocols to protect water quality.¹ While these efforts are important, they don’t address in-home plumbing, old pipes, or appliance protection. That’s where we come in.
¹ The North Penn Water Authority is actively flushing and inspecting hydrants in Hatfield to maintain system performance and water quality. Learn more here.
Why Hatfield Homeowners Choose Dierolf
With over 1,000 five-star reviews and a strong reputation across Montgomery County, Dierolf Plumbing and Water Treatment is the name local families trust for everything water-related. Our licensed technicians understand Hatfield’s specific water issues—including hard water, pressure problems, and PFAS concerns—and provide clear, practical solutions that improve your daily life.
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Bryan was very professional, courteous, and efficient. Great service, thank you!
Great job installing our new water filtration system! Installers were very communicative and efficient. Well done.
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!!
Service was great and very efficient. The guys were very friendly and quickly replaced the pump without any issues. Thank you.
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
