Key Takeaways American Water Works' unit acquired Yerba Buena Water Company, adding about 250 customers. The acquisition marks AWK's unit ninth in five years, bringing over 13,000 new customers since 2020.American Water Works is pursuing 22 pending acquisitions that may further grow its customer base.American Water Works Company, Inc. (AWK) announced that its unit, California American Water, acquired Yerba Buena Water Company. The company added nearly 250 customers through the acquisition of Yerba Buena’s w ...