Bears, deer, and other animals make this an issue even in the absence of cattle. US natural water sources are actually relatively very clean. We don’t have any

Bears, deer, and other animals make this an issue even in the absence of cattle. US natural water sources are actually relatively very clean. We don’t have any issues with viruses or chemicals, which means we can safely use ~0.2 micron filters while some regions require more expensive ~0.02 micron filters.