Tennessee American Water announced on Monday its participation in the national advocacy and educational event, Imagine a Day Without Water. Across the country, organizations, elected officials, businesses, environmental advocates and more are joining together to educate people about how water is essential, the challenges facing water and wastewater systems and the need for investment. The Tennessee Aquarium and Tennessee American Water have partnered to bring special programs free with Aquarium admission on Wednesday and Thursday from 10 a.m.-noon.