Including filter system and high-performance HPC Bacteria filter.
HPC bacteria are a wide range of naturally occurring microbes that can be present in household water and plumbing. You may also see the term heterotrophic plate count used—it's a lab method that estimates overall bacterial growth rather than naming a single organism. In Felkel homes, these results often point to conditions where bacteria can multiply; homeowners sometimes notice musty smells, slimy buildup, or faster biofilm formation around faucets and showerheads.
Heterotrophic plate count readings can increase when water sits in pipes, when sediment or organic material is available as food, or when plumbing allows biofilm to develop. Along with taste or odor changes, elevated heterotrophic bacteria can be a sign your home’s water system needs attention. Taking a whole-house view in Felkel helps treat the water as it enters your property and reduces the conditions that let regrowth occur downstream.
To lower HPC bacteria throughout a residence, a whole-house ultraviolet (UV) disinfection system is generally the most effective single filter-style option. UV inactivates microorganisms as water flows through a stainless chamber bathed in ultraviolet light, treating water in real time without adding chemicals or altering taste. Installed where water enters a Felkel home, a UV unit provides protection to every tap, shower, and appliance.
For UV to work reliably, the water feeding the unit must be clear enough for light to penetrate—heavy sediment, iron, or cloudiness can shield microbes. That’s why whole-house systems often include prefiltration, while the UV stage remains the primary technology targeting microorganisms like HPC bacteria. Proper sizing for your home’s flow rate plus routine lamp and sleeve care keep performance steady; Mr. Pure Water can help Felkel homeowners choose and install the right whole-house UV system to better control heterotrophic plate count at the source.