Including filter system and high-performance Calicivirus filter.
Calicivirus refers to a group of viruses that can enter drinking water when contamination happens, most commonly via contact with human waste. Because these viruses are far too small to see, water can appear clear while still posing a risk. In Lois, homeowners may learn about viral concerns from a utility notice, a private well test, or worries after local flooding or a system issue; understanding how viruses behave and how they’re managed helps you feel more secure at every tap.
Viruses differ from visible problems like sediment, rust, or chlorine taste — you won’t detect them by sight or smell, and boiling isn’t practical for protecting an entire house. Calicivirus can be introduced through compromised plumbing, backflow, floodwater impacts, or vulnerabilities in a private well, and it can travel with your water once present. Treating water where it enters the property covers all outlets, so a whole-house solution protects kitchen, laundry and bathroom taps across your Lois home.
The most effective single-style whole-house option for calicivirus is ultraviolet (UV) disinfection. Rather than trapping particles like a carbon or sediment filter, a UV unit passes water through a stainless-steel chamber where a UV lamp inactivates microorganisms. When sized and maintained correctly, UV is a common choice for virus control because it addresses contaminants that media filters cannot, and it suits homeowners who want continuous, hands-off protection throughout the house.
UV systems perform best when the incoming water is clear enough for the light to penetrate, so they’re frequently installed with a sediment prefilter; the UV unit itself is the primary defense against calicivirus. Reliable performance depends on proper flow rate, a clean quartz sleeve, and routine lamp replacement because UV intensity drops over time. UV doesn’t add chemicals or alter taste, making it a simple barrier at the point of entry—Mr. Pure Water in Lois can help select and size the right whole-house UV system for your home’s usage and water conditions.