What does the process of water reclamation involve?

Water reclamation primarily involves treating wastewater so that it can be reused for different applications. This process includes several stages, such as filtration, biological treatment, and chemical disinfection, which transform wastewater into a quality that can be safely reused in non-potable applications or even for drinking, depending on the treatment level. Reclaimed water can be utilized for irrigation, industrial processes, or even groundwater recharge, effectively enhancing water sustainability by conserving fresh water resources.

In contrast, the other options refer to different water management practices that do not specifically pertain to the reclamation of wastewater. For instance, storing rainwater for drinking purposes relates to rainwater harvesting, while distributing freshwater from rivers concerns the logistics of water supply. Removing salt from seawater describes desalination, which focuses on converting seawater to freshwater rather than reclaiming used water. Hence, option A accurately embodies the essence of water reclamation.