"Something in the Water" is a song by American country music artist Carrie Underwood, from her first greatest hits album, Greatest Hits: Decade #1. The song was released on September 29, 2014, as the album's lead single through Arista Nashville. It was written by Underwood, Chris DeStefano, Brett James, and produced by Mark Bright.

A crossover success, "Something in the Water" reached No. 1 on both the Billboard Hot Country Songs and Hot Christian Songs charts. It is Underwood's 14th career leader on Hot Country Songs and her second in 2014. It topped the former chart for seven weeks and the latter for 26 weeks, and also debuted at number 24 on the Billboard Hot 100. It set and broke multiple airplay records on country radio in its first week.

The song won the Grammy Award for Best Country Solo Performance.

""Something in the Water" is so inspirational. It's so joyous! I can't help but smile when I hear it. I hope it has the same effect on everyone who listens to it."

The song was written by Underwood along with Chris DeStefano and Brett James, and produced by Underwood's longtime producer Mark Bright. It also has a sample of Amazing Grace at the closing of the song, sung by Underwood.

James told Country Weekly that, when he arrived at Underwood's cabin in Leiper's Fork, Tennessee for a songwriter's session, she and DeStefano already had a track ready, when Underwood suggested "Something in the Water" as a title. They then chose to make the song themed after a person whose life changes after baptism. James said that he found Underwood's demo of the song "emotional", and praised Underwood's singing and songwriting style. He later called it "one of the most perfect writing days I have had in my life".

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