Do you try? I try. Brushing teeth, one turns on the water, and leaves it on.
Rinsing hands, one turns on the water and leaves it on. DON'T.
After a meal, I don't know about you, but we clear the table and put utensils in a tall plastic container that's filled with water, and a little liquid soap. End of the day instead of running the dishwasher, we soap up a sponge, sponge-wash each utensil, then rinse them all together, set them in a drying holder.
Flushing the toilet. (DON'T, not each and every time you use the toilet.)
DO (gently) remind other members of the household, to do the same.
DON'T take long showers -- DO make them shorter.
Washing clothes: DO larger loads.
Shampooing: Once your hair is wet, turn OFF the water while you're applying it. Turn water ON when it's time to rinse. Water OFF while applying conditioner. ON when you're ready to rinse.
DON'T drift into a contented reverie, enjoying the flow, and forget.
Picture people in other countries -- drinking, washing clothes, washing themselves in a contaminated river -- we've all seen those pictures. Smile inwardly, give yourself a gold star, pat on the back, a Yay Team, for economizing. WE'VE GOT TO SAVE WATER.
Why post this today? It's time to do my hair. Time to do machine-washable clothes. JC's hamper is full; mine is black exercise togs (oft used, the black won't run) With vigilance his load and mine can be done together.