Carrie Underwood, Garth Brooks Lead Country Charts

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Carrie Underwood performs during the 2014 American Country Countdown Awards at Music City Center on December 15, 2014 in Nashville, Tennessee. 

Carrie Underwood's "Something In the Water" returns to No. 1 for a fourth week on Billboard's Hot Country Songs chart. The track spent three straight weeks atop the tally starting on Nov. 22.

Of her 14 No. 1s, only two have spent more time at No. 1, her first two leaders: "Jesus, Take the Wheel" led for six weeks and "Before He Cheats" ruled for five, both in 2006 (when the chart was based on radio airplay; it now measures airplay, sales and streaming).

Fueling the return to the top for "Water," it returns to No. 1 (2-1) for a fifth week atop Country Digital Songs, sporting a 126 gain to 75,000 downloads sold, according to Nielsen Music. The track dips 4-5 on Country Airplay and 7-10 on Country Streaming Songs.

'Face' Facts: One reality TV competition champ dethrones another on Hot Country Songs, as Underwood, the 2005 American Idol champ, replaces Craig Wayne Boyd's "My Baby's Got a Smile on Her Face," which debuted atop the list following his victory (and performance) on NBC's The Voice on Dec. 16. Boyd's track, which bowed with hefty sales activity, falls completely off this week's chart (dated Jan. 10). It likewise plummets off Country Digital Songs from No. 1 with a 94 percent loss to 6,000 sold.

Still, "Smile" seems likely to rebound in the weeks ahead once country radio airplay increases. Boyd's first official radio single has yet to impact the Country Airplay chart.

Still the 'Man': On Top Country Albums, Garth Brooks' Man Against Machine dominates for a sixth cumulative week (64,000 sold, down 21 percent). The album hasn't held the No. 1 slot only once since it debuted atop the Nov. 29 chart: Underwood's Greatest Hits: Decade #1 bumped it to No. 2  when it debuted at the top (Dec. 27).

Machine's new single "Mom" edges 33-32 on Country Airplay. Lead track "People Loving People" reached No. 19 in September.