At Orono, Brittany Smith’s goal 4:41 into the second half, off a Brianna Ricker assist, snapped a 1-1 tie and supplied the Black Bears with their 10th win of the season.
UMaine is now 10-4 overall, 4-1 in America East. UMass Lowell fell to 8-9 and 2-4, respectively.
Libby Riedl staked UMaine to a 1-0 lead off a Casey Crowley assists 7:21 into the game but Torrie Huk answered 9:06 later with Katie Lynes assisting.
Emma Cochran had four saves on eight shots for UMaine while Eva Berkhout had six stops on 14 shots for the River Hawks.