Ultra Violet Lights are typically only needed and recommended for homes that have well water. When it comes to well water there are various containments that can be in that water that could be harmful to our customers home and body. Various containments that can be found in that particular water can range from:
Iron
Sulfur
Bacteria
Magnesium
Calcium
Among other sort of minerals A UV Light will stop bacteria before it gets into the rest of your household, with the help of a Water Conditioner Package System.