ECONOMICS (CBSE/UGC NET)

Detailed explanation-1: -Water supply is the provision of water by public utilities, commercial organisations, community endeavors or by individuals, usually via a system of pumps and pipes.

Detailed explanation-2: -Either surface water or groundwater may be used. Although most water systems are supplied from only one source, there are instances when both surface water and groundwater sources are utilized. Surface water is drawn from large rivers or lakes. Even a small stream may be suitable if it is impounded by a dam.

Detailed explanation-3: -Public water suppliers provide water to domestic, commercial, and industrial users, to facilities generating thermoelectric power, for public use, and occasionally for mining and irrigation.

Detailed explanation-4: -3.1 Types of water source. In Study Session 1 you were introduced to the three main sources of water: groundwater, surface water and rainwater.

Detailed explanation-5: -Large cities and towns usually get their water from surface water supplies or a mix of surface and ground water supplies. Some small, rural communities rely solely on ground water supplies, which may or may not require treatment to meet drinking water standards.