LITTLE FALLS — Major repair work continues on the Little Falls dam. The Little Falls dam was initially constructed in 1887-1888. ADVERTISEMENTThis year Minnesota Power is replacing two of five Tainter gates on the east spillway, said Lori C. Melton, Minnesota Power senior corporate communication specialist. Replacing these gates with new, modern equipment will ensure dam reliability and operational performance, she added. "As we replace the two Tainter gates, minor concrete repairs are being completed in the vicinity of each to facilitate construction.