Water systems refer to the interconnected networks that manage the supply, distribution, and treatment of water. These systems include sources like rivers, lakes, and aquifers, which provide fresh water for drinking, irrigation, and industrial use. Water treatment facilities ensure that this water is clean and safe for consumption. Additionally, water systems encompass the infrastructure needed to deliver water to homes and businesses, such as pipes, pumps, and reservoirs. They also involve wastewater management, where used water is collected, treated, and returned to the environment, ensuring sustainability and protecting ecosystems like wetlands and rivers.