Thank you for the opportunity to help you with your question!
Owing to the negative climate advancements being observed around the globe, i would be prudent to conserve the water right from it's sources to usage. There is a need to conserve water in reservoirs at domestic level. This can be achieved through proper utilization and avoiding wastage of the resource. Domestic water treatment plants are being rolled to the market by both commercial and non-governmental organizations to avert the waring situation.
Nevertheless, major efforts should taking by the governments to formulate ways to combat the negative attributes of climate. Water conservation should start with protecting the water catchment areas, down to treatment which encourages re-use.
Please let me know if you need any clarification. I'm always happy to answer your questions.