Including filter system and high-performance PFUnA filter.
PFUnA is one of the PFAS people ask about when researching persistent, hard-to-remove contaminants in drinking water. It can get into water supplies through industrial uses or the breakdown of related fluorinated compounds and tends to persist rather than break down quickly. Marathon homeowners often hear about PFUnA after a utility notice, local reporting, or a private well test, and when that happens it’s useful to consider treatment options that specifically target PFAS compounds.
Because PFUnA usually appears at very low levels, you typically won’t detect it by sight, smell, or taste — which makes testing critical to know what’s in your tap water in Marathon. PFAS like PFUnA behave differently than common local issues such as chlorine taste, moderate hardness, or sediment from older plumbing and coastal corrosion, so many standard cartridge filters aren’t sufficient. A whole-house system can be a practical solution to reduce exposure from drinking, cooking, showering and everyday uses throughout your home.
For whole-house reduction of PFUnA, a granular activated carbon (GAC) filter is widely used as the most effective single-filter option in residential settings. GAC media offers a very large surface area to adsorb many organic contaminants, including a range of PFAS. Performance against PFUnA depends on using the right carbon type, allowing sufficient contact time, and maintaining appropriate flow rates — which is why a properly sized whole-house carbon tank is more effective than a small, fast-flow cartridge in a Marathon home.
At Mr. Pure Water we typically install whole-house GAC systems at the point water enters the property so treated water reaches every tap and appliance in Marathon. We size the system to match household water use and local factors like moderate water hardness and coastal corrosion risk to avoid short contact time that can reduce PFAS removal. Carbon media must be serviced and replaced on schedule as it becomes loaded; if you have a recent water test or information about your well or municipal supply, we’ll use it to recommend the right GAC configuration for PFUnA reduction.