Generally speaking, we don’t drink the water from the fresh water tank (nor the water when hooked up to “city water”) without first passing it through a Brita filter. Our FF does have an under sink charcoal filter for cold water going to the kitchen sink faucet but we still use the Brita filtered water for drinking. We also use an inline filter when hooked to “city water”. We hardly ever fill the reservoir with water from our home before setting out for a trip. 2 reasons: adds 200+ lbs of weight ahead of the axles and we don’t have enough potable water hose to go from the nearest outside spigot to the camper ;-(. We have plenty of “garden hose” but water filled via that mode always tastes awful and might even be toxic!
If you're not livin' on the edge, you're takin' up too much space!
2007 Shadow Cruiser x210, 2004 RAM 2500 4x4 QuadCab SLT 5.9L CTD, Factory Tow Pkg (3.73 axle), HaulMaster WDH