ST. LOUIS--(BUSINESS WIRE)--Missouri American Water is investing more than $500 million in its water and wastewater systems statewide in 2024. The investments are focused on improving system reliability and resiliency by replacing aging infrastructure like pipes, pumps, and storage tanks and upgrading treatment plants. “Missouri American Water is investing to maintain and enhance safe and reliable service as many essential components of our water and wastewater systems are reaching the end of their usefu ...