"No one should have to worry if the water is clean or if they will run out of water," Peltier said in her speech. "No child should grow up not knowing what clean water is or never know what running water is.
"We all have a right to this water as we need it — not just rich people, all people."
A reserve cut off from the mainland and under a boil-water advisory for almost two decades is taking its case to the United Nations.
Shoal Lake 40 First Nation, which straddles the Manitoba-Ontario boundary, became isolated a century ago during construction of an aqueduct which carries water to Winnipeg. The reserve has no all-weather road and has been without clean water for 17 years.