Poland Spring is a brand of bottled water that is popular in the United States. Its main competitors are Evian, Naya, and Dasani. Evian is a French brand of bottled water that has been around since the late 1800s. Naya is a Canadian brand of bottled water that was launched in the early 2000s. Dasani is an American brand of bottled water that was introduced in 1999. All three brands offer a variety of sizes and flavors of bottled water.