The mere selection of a spring for Poland Springs to use as a source is a laborious process that involves research on the particular weather patterns and the surrounding geology of each area. This allows them to achieve long-term sustainability, with those drinking it being given information on where each particular bottle is filled. Each spring is carefully maintained so that every drop of Poland Spring that comes from the rainfall, melted snow and groundwater of this protected area stays consistent. Bottling first began more than 170 years ago, with that storied legacy driving each facet of the quality control that's a part of each bottling run. A total of 10 different standards have to be met for Poland Spring sparkling water to make its way out the door. The standards established by regulatory agencies like the FDA and EPA pale in comparison to each check made by company staffers.