Physical indicators of contamination: PH,, Color,
Odor, Turbidity, and Conductivity.
2. Chemical Indicators of
Contamination: (a) Ammonia, (b) Nitrites, and (c)
3. Mineral Content Estimation. These
test will assess whether the level of naturally
dissolved minerals are within permissible limits.
content, this indicates risk of fluorosis.
ii. Calcium and
Chlorides, effect domestic use, taste and palatabiltiy.
and Sulphates can be dangerous to mucus lining
gastro intestinal irritation.
iv. Iron can
cause rusting of pipes and staining of clothes in
4. Indicators of Industrial
Test, Total Dissolved Solids.
5. Interpretation, based on test
results and sample collection record.