What caused the change in water quality in Flint, Michigan? (1 point)

O The city was taken off the Detroit water system to save money.
O City officials decided to stop fully treating the water to save money.
O The Flint River became contaminated which caused lead to get into the water
City officials ignored the Clean Water Act and allowed wastewater to be dumped into the river.

City officials ignored the Clean Water Act and allowed wastewater to be dumped into the river.