Waukesha's Lake Michigan diversion plan was approved by Compact Council in Chicago.

After a thorough review process lasting more than 5 years, today was the day the city of Waukesha found out it can tap into Lake Michigan to provide residents and businesses with a safe water supply.   

Waukesha leaders say they've been working on this for more than a decade.

RELATED: Waukesha's water plan debated in April in Chicago 

The plan has been scrutinized heavily by the great lakes compact council, a group formed to review requests for Lake Michigan water diversion.

RELATED: Michigan Lawmakers Urge Rejection on Waukesha's Water Plan

Over the last few months people from Racine, environmental groups, and legislators from other states asked the council to reject Waukesha's plan.

RELATED: Groups Work to Derail Waukesha Water Diversion Plan

Waukesha leaders have said they have met every requirement outlined in the compact and outside pressure and opinions should not matter.

RELATED: Great Lakes Regional Body tours potential waterline from Lake Michigan to the city of Waukesha.

Stay tuned to CBS 58 for more information throughout the day.