Including filter system and high-performance HPC Bacteria filter.
HPC bacteria are a broad mix of naturally occurring microbes that can show up in household water and plumbing. You may also see the term heterotrophic plate count, which refers to the lab method used to estimate overall bacterial growth rather than a single pathogen. High HPC test results indicate conditions where bacteria can multiply — things homeowners in Chatham might spot as musty smells, slimy buildup in faucets or showerheads, or faster biofilm formation on fixtures.
Heterotrophic plate count can increase when water stands in pipes, when sediment or organic material provides food, or when plumbing allows biofilm to develop. In Chatham’s humid subtropical climate, organic material can promote this kind of bacterial activity, sometimes accompanied by subtle taste or odor changes. While many heterotrophic bacteria aren’t known to cause illness, elevated HPC levels still signal that your home’s water system could use attention — and a whole-house strategy treats water at the point it enters the house to reduce conditions that allow regrowth.
A whole-house ultraviolet (UV) disinfection system is the single filter-style option most effective for reducing HPC bacteria throughout a residence. UV inactivates microorganisms as water flows through a stainless chamber exposed to a UV lamp, treating water in real time without adding chemicals or altering taste. When installed where water enters your Chatham home, UV protection works for every tap, shower, and appliance.
For UV to perform reliably, the water feeding the unit must be clear enough for the light to penetrate — heavy sediment, iron, or cloudiness can shield microbes. That’s why whole-house UV systems are often paired with prefiltration; the UV stage remains the core technology targeting microorganisms like HPC bacteria. Proper sizing for your home’s flow rate and regular lamp and sleeve maintenance keep results consistent, and Mr. Pure Water can help Chatham homeowners choose and install the right whole-house UV setup to better control heterotrophic plate count at the source.