3 August 1998
5-2. WATER AVAILABILITY EVALUATION. After the projected water demand and proposed
usage use have been determined, the next step is to evaluate the quality of available water
resources. The quality of the groundwater will be influenced by its ph or corrosivity; and the
presence of constituents such as iron, lead, calcium, zinc, and gasses such as carbon dioxide,
nitrogen, oxygen, and sulphur dioxide. Recommended quality standards for domestic and
municipal water are published by the US Environmental protection Agency. Step-by-step
procedures are illustrated in figure 5.1.
Figure 5-1. Water Availability Evaluation.