What awards has Third Day won?

Answer 1

Their official page has their discography, and although it's hard to read they have little symbols under each album saying if it won a dove award, grammy, certified gold, certified platinum, etc.

http://www.thirdday.com/music/discography.htm

You might also find this website useful:

http://www.christianitytoday.com/music/artists/thirdday.html

Answer 2

The Atlanta-based rockers have accrued eight gold albums, a platinum album, two Grammy Awards and 24 of the GMA's Dove Awards.