Suggest two ways people manage water supply

Explanation:

making sure the broken pipes are mended (as water loss from broken pipes can be as much as 30 per cent)

using reservoirs and dams in one area to pipe water into large urban areas.

making sure that the water supply is of good quality - reducing fertiliser use on farms helps this.

no sé si entiendes español pero te daría la respuesta si lo supiera, pero lo siento mucho