In los angeles what were the risks of bringing in water from beyond the city limits?

The region was a desert before settlers moved in and started requiring for more water than is naturally available. This led to going farther and farther away to get water and brought them into conflict with the needs in other localities. This led to the building of dams in the Colorado river and even more extreme measures.

water and brought them into conflict with the needs in other localities. This led to the building of dams in the Colorado river and even more extreme measures.