Sources Of Water Supply JSS1 Physical & Health Education Lesson Note

SUBTOPIC: SOURCES OF WATER

Water supply-: water supply is the process by which water is provided for some use, e.g. to a home, commercial organization, community endeavors, or individuals usually through a system of pumps and pipes  

Meaning of water

Water is a universal solvent.

It is composed of two hydrogen atoms and one oxygen atom held together by covalent bonds. Water is precious to man’s existence as it is needed in every aspect of life. The chemical formula of water is H20. Water is needed by every creature such as human beings, animals, and plants. In Nigeria, the Ministry of Water Resources is in charge of water supply throughout the country. The state supplies water through water boards or state water corporations

Sources of water

The two major sources of water are:

(i)                  Natural source of water

(ii)                Artificial sources of water 

Examples of these include: 

(i)                  Rainwater: Rainwater comes from rainfall which is usually collected from the roof of houses to collection points the collection points could be tanks, pots and pails, or buckets

(ii)                River water: Water that flows across the ground is called runoff. The run-off water flows into small streams or ponds. The stream flows into rivers. The rivers flow into oceans and seas.

(iii)              Lake, pond, and stream: The qualities of these sources of water are very low and their consumption can cause water diseases like cholera, dysentery, typhoid fever as hell as guinea worms

Qualities of good water supply

Water that is safe for drinking or health purposes is called potable or pure water.

The basic qualities of water are:

(i)                  It is odourless and transparent

(ii)                It is tasteless

(iii)              It must be colorless

ASSIGNMENT

1.   Enumerate the two major sources of water supply