Most Costco shoppers understand that the retail giant doesn't actually make its Kirkland brand products, but that just leaves ...

But recently, shoppers have had a major bone to pick with one of Costco's staple Kirkland Signature items: bottled water.

But recently, shoppers have had a major bone to pick with one of Costco’s staple Kirkland Signature items: bottled water. Earlier this week, a Costco member took to Reddit to share a picture of ...

So where does all this Kirkland bottled water come from? Kirkland Signature bottled water is produced by Niagara Bottling in California. Niagara has been a family-run business since 1963 ...