Including filter system and high-performance HPC Bacteria filter.
HPC bacteria are a wide group of naturally occurring microorganisms that can live in water and inside household plumbing. You may also see them called heterotrophic plate count, which refers to the lab method used to estimate overall bacterial growth rather than a single pathogen. High HPC results don’t identify one specific germ but can indicate conditions that allow bacteria to multiply. In Franjo homes, homeowners commonly notice related signs like musty smells, slimy buildup, or faster biofilm formation on showerheads and faucets.
Heterotrophic plate count readings can increase when water sits stagnant in pipes, when sediment or organic material is present, or when plumbing encourages biofilm growth. These situations can bring changes in taste or odor alongside general bacterial activity. While many heterotrophic bacteria aren’t known to cause disease, elevated HPC levels are a useful warning that your water system may need attention. In Franjo, taking a whole-house view — treating water as it enters your home — helps reduce the conditions that allow regrowth further downstream.
To lower HPC bacteria throughout the house, a whole-house ultraviolet (UV) disinfection system is typically the most effective single filter-style choice. UV inactivates microorganisms as water passes through a stainless chamber exposed to a UV lamp, working in real time without adding chemicals or altering taste. When installed where water enters a Franjo home, UV protection treats every tap, shower, and appliance to help control heterotrophic plate count concerns.
For UV to perform reliably, the feedwater must be clear enough for light to penetrate because heavy sediment, iron, or cloudiness can shield microbes from the lamp. That’s why UV is often paired with prefiltration, while the UV stage remains the core technology targeting microorganisms like HPC bacteria. Correct sizing for your home’s flow rate and regular lamp and sleeve maintenance keep results consistent. Mr. Pure Water in Franjo can help select and size a whole-house UV system to fit your plumbing and improve control of heterotrophic plate count at the source.